current sensing.bak

EESchema Schematic File Version 4
LIBS:HESC v1-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 6
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Amplifier_Operational:OPA2376xxD U15
U 1 1 5FFEAC58
P 3350 1850
F 0 "U15" H 3350 1483 50  0000 C CNN
F 1 "OPA2376xxD" H 3350 1574 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3350 1850 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa376.pdf" H 3350 1850 50  0001 C CNN
	1    3350 1850
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R101
U 1 1 5FFECD0C
P 1700 1750
F 0 "R101" V 1600 1750 50  0000 C CNN
F 1 "100R" V 1700 1750 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 1750 50  0001 C CNN
F 3 "~" H 1700 1750 50  0001 C CNN
	1    1700 1750
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R105
U 1 1 5FFED24F
P 1700 1950
F 0 "R105" V 1800 1950 50  0000 C CNN
F 1 "100R" V 1700 1950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 1950 50  0001 C CNN
F 3 "~" H 1700 1950 50  0001 C CNN
	1    1700 1950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R106
U 1 1 5FFED68A
P 2200 1950
F 0 "R106" V 2250 1950 50  0000 C CNN
F 1 "1K" V 2200 1950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2200 1950 50  0001 C CNN
F 3 "~" H 2200 1950 50  0001 C CNN
	1    2200 1950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R107
U 1 1 5FFEDB11
P 2650 1950
F 0 "R107" V 2700 1950 50  0000 C CNN
F 1 "10K" V 2650 1950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2650 1950 50  0001 C CNN
F 3 "~" H 2650 1950 50  0001 C CNN
	1    2650 1950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R102
U 1 1 5FFEE085
P 2200 1750
F 0 "R102" V 2100 1750 50  0000 C CNN
F 1 "1K" V 2200 1750 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2200 1750 50  0001 C CNN
F 3 "~" H 2200 1750 50  0001 C CNN
	1    2200 1750
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R103
U 1 1 5FFEE4EB
P 2650 1750
F 0 "R103" V 2550 1750 50  0000 C CNN
F 1 "10K" V 2650 1750 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2650 1750 50  0001 C CNN
F 3 "~" H 2650 1750 50  0001 C CNN
	1    2650 1750
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 1750 1950 1750
Wire Wire Line
	2300 1750 2450 1750
Wire Wire Line
	2750 1750 2950 1750
Wire Wire Line
	2750 1950 2900 1950
Wire Wire Line
	2300 1950 2450 1950
Wire Wire Line
	1800 1950 1950 1950
$Comp
L Device:C_Small C96
U 1 1 5FFEF715
P 1950 1850
F 0 "C96" H 2000 1900 50  0000 L CNN
F 1 "2.2NF" H 1900 1850 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1950 1850 50  0001 C CNN
F 3 "~" H 1950 1850 50  0001 C CNN
	1    1950 1850
	1    0    0    -1  
$EndComp
Connection ~ 1950 1750
Wire Wire Line
	1950 1750 2100 1750
Connection ~ 1950 1950
Wire Wire Line
	1950 1950 2100 1950
$Comp
L Device:C_Small C98
U 1 1 5FFEFC3F
P 2450 1850
F 0 "C98" H 2450 1900 50  0000 L CNN
F 1 "220PF" H 2400 1850 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2450 1850 50  0001 C CNN
F 3 "~" H 2450 1850 50  0001 C CNN
	1    2450 1850
	1    0    0    -1  
$EndComp
Connection ~ 2450 1750
Wire Wire Line
	2450 1750 2550 1750
Connection ~ 2450 1950
Wire Wire Line
	2450 1950 2550 1950
$Comp
L Device:R_Small R108
U 1 1 5FFF002A
P 2900 2050
F 0 "R108" H 2841 2004 50  0000 R CNN
F 1 "8.87K" H 3150 2100 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2900 2050 50  0001 C CNN
F 3 "~" H 2900 2050 50  0001 C CNN
	1    2900 2050
	-1   0    0    1   
$EndComp
Connection ~ 2900 1950
Wire Wire Line
	2900 1950 3050 1950
$Comp
L Device:R_Small R110
U 1 1 5FFF0492
P 3200 2200
F 0 "R110" V 3300 2200 50  0000 C CNN
F 1 "1K" V 3200 2200 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 2200 50  0001 C CNN
F 3 "~" H 3200 2200 50  0001 C CNN
	1    3200 2200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R111
U 1 1 5FFF088D
P 3200 2300
F 0 "R111" V 3100 2300 50  0000 C CNN
F 1 "1K" V 3200 2300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 2300 50  0001 C CNN
F 3 "~" H 3200 2300 50  0001 C CNN
	1    3200 2300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3100 2300 3100 2250
Wire Wire Line
	3100 2250 2900 2250
Wire Wire Line
	2900 2250 2900 2150
Connection ~ 3100 2250
Wire Wire Line
	3100 2250 3100 2200
$Comp
L power:+3.3V #PWR0166
U 1 1 5FFF1015
P 3400 2200
F 0 "#PWR0166" H 3400 2050 50  0001 C CNN
F 1 "+3.3V" H 3415 2373 50  0000 C CNN
F 2 "" H 3400 2200 50  0001 C CNN
F 3 "" H 3400 2200 50  0001 C CNN
	1    3400 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 2200 3400 2200
$Comp
L power:GNDA #PWR0167
U 1 1 5FFF1DF4
P 3350 2300
F 0 "#PWR0167" H 3350 2050 50  0001 C CNN
F 1 "GNDA" H 3355 2127 50  0000 C CNN
F 2 "" H 3350 2300 50  0001 C CNN
F 3 "" H 3350 2300 50  0001 C CNN
	1    3350 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 2300 3300 2300
$Comp
L Device:R_Small R104
U 1 1 5FFF2590
P 1500 1850
F 0 "R104" H 1650 1850 50  0000 R CNN
F 1 "2K" H 1550 1850 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1500 1850 50  0001 C CNN
F 3 "~" H 1500 1850 50  0001 C CNN
	1    1500 1850
	-1   0    0    1   
$EndComp
Wire Wire Line
	1500 1750 1600 1750
Wire Wire Line
	1500 1950 1600 1950
$Comp
L Device:R_Small R100
U 1 1 5FFF352F
P 3200 1350
F 0 "R100" V 3004 1350 50  0000 C CNN
F 1 "8.87K" V 3100 1350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 1350 50  0001 C CNN
F 3 "~" H 3200 1350 50  0001 C CNN
	1    3200 1350
	0    1    1    0   
$EndComp
Wire Wire Line
	3100 1350 2950 1350
Wire Wire Line
	2950 1350 2950 1750
Connection ~ 2950 1750
Wire Wire Line
	2950 1750 3050 1750
Wire Wire Line
	3300 1350 3650 1350
Wire Wire Line
	3650 1350 3650 1850
Text HLabel 1350 1750 0    59   Input ~ 0
i_phaseU-
Text HLabel 1350 1950 0    59   Input ~ 0
i_phaseU+
Wire Wire Line
	1350 1950 1500 1950
Connection ~ 1500 1950
Wire Wire Line
	1350 1750 1500 1750
Connection ~ 1500 1750
Text HLabel 3850 1850 2    59   Input ~ 0
i_phaseU
Wire Wire Line
	3850 1850 3750 1850
Connection ~ 3650 1850
$Comp
L Comparator:LM2903 U16
U 1 1 5FFF963D
P 4850 2500
F 0 "U16" H 4850 2867 50  0000 C CNN
F 1 "LM2903" H 4850 2776 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 4850 2500 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4850 2500 50  0001 C CNN
	1    4850 2500
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM2903 U16
U 2 1 5FFFAE40
P 4850 3250
F 0 "U16" H 4850 3617 50  0000 C CNN
F 1 "LM2903" H 4850 3526 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 4850 3250 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4850 3250 50  0001 C CNN
	2    4850 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 2500 5150 2850
Wire Wire Line
	4550 2600 4450 2600
Wire Wire Line
	4450 2600 4450 3150
Wire Wire Line
	4450 3150 4550 3150
$Comp
L Device:R_Small R113
U 1 1 5FFFCE12
P 4050 2600
F 0 "R113" V 3950 2600 50  0000 C CNN
F 1 "10K" V 4050 2600 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4050 2600 50  0001 C CNN
F 3 "~" H 4050 2600 50  0001 C CNN
	1    4050 2600
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C102
U 1 1 5FFFD42A
P 4250 2700
F 0 "C102" H 4250 2750 50  0000 L CNN
F 1 "100PF" H 4200 2700 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4250 2700 50  0001 C CNN
F 3 "~" H 4250 2700 50  0001 C CNN
	1    4250 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 2600 4250 2600
Connection ~ 4450 2600
Connection ~ 4250 2600
Wire Wire Line
	4250 2600 4150 2600
$Comp
L power:GNDA #PWR0168
U 1 1 5FFFE17A
P 4250 2800
F 0 "#PWR0168" H 4250 2550 50  0001 C CNN
F 1 "GNDA" H 4255 2627 50  0000 C CNN
F 2 "" H 4250 2800 50  0001 C CNN
F 3 "" H 4250 2800 50  0001 C CNN
	1    4250 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 2600 3750 2600
Wire Wire Line
	3750 2600 3750 1850
Connection ~ 3750 1850
Wire Wire Line
	3750 1850 3650 1850
$Comp
L Device:R_Small R112
U 1 1 60001D32
P 4100 2300
F 0 "R112" V 4000 2300 50  0000 C CNN
F 1 "10K" V 4100 2300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4100 2300 50  0001 C CNN
F 3 "~" H 4100 2300 50  0001 C CNN
	1    4100 2300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R109
U 1 1 60002321
P 3950 2150
F 0 "R109" V 3850 2150 50  0000 C CNN
F 1 "1K" V 3950 2150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3950 2150 50  0001 C CNN
F 3 "~" H 3950 2150 50  0001 C CNN
	1    3950 2150
	0    1    1    0   
$EndComp
Wire Wire Line
	4350 2150 4350 2400
Wire Wire Line
	4350 2400 4550 2400
Connection ~ 4100 2150
Wire Wire Line
	4050 2150 4100 2150
Wire Wire Line
	4100 2150 4100 2200
$Comp
L power:+3.3V #PWR0169
U 1 1 6000417D
P 3850 2100
F 0 "#PWR0169" H 3850 1950 50  0001 C CNN
F 1 "+3.3V" H 3865 2273 50  0000 C CNN
F 2 "" H 3850 2100 50  0001 C CNN
F 3 "" H 3850 2100 50  0001 C CNN
	1    3850 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 2100 3850 2150
$Comp
L power:GNDA #PWR0170
U 1 1 60005121
P 4100 2450
F 0 "#PWR0170" H 4100 2200 50  0001 C CNN
F 1 "GNDA" V 4105 2322 50  0000 R CNN
F 2 "" H 4100 2450 50  0001 C CNN
F 3 "" H 4100 2450 50  0001 C CNN
	1    4100 2450
	0    1    1    0   
$EndComp
Wire Wire Line
	4100 2450 4100 2400
$Comp
L Device:C_Small C99
U 1 1 60006274
P 4250 2250
F 0 "C99" H 4250 2150 50  0000 L CNN
F 1 "100NF" H 4200 2250 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4250 2250 50  0001 C CNN
F 3 "~" H 4250 2250 50  0001 C CNN
	1    4250 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 2350 4200 2450
Wire Wire Line
	4200 2450 4100 2450
Connection ~ 4100 2450
Connection ~ 4250 2150
Wire Wire Line
	4250 2150 4350 2150
Wire Wire Line
	4250 2350 4200 2350
Wire Wire Line
	4100 2150 4250 2150
$Comp
L Device:R_Small R115
U 1 1 6000BBFD
P 3750 3250
F 0 "R115" V 3650 3250 50  0000 C CNN
F 1 "1K" V 3750 3250 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3750 3250 50  0001 C CNN
F 3 "~" H 3750 3250 50  0001 C CNN
	1    3750 3250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R114
U 1 1 6000BC03
P 3600 3100
F 0 "R114" V 3500 3100 50  0000 C CNN
F 1 "10K" V 3600 3100 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3600 3100 50  0001 C CNN
F 3 "~" H 3600 3100 50  0001 C CNN
	1    3600 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	4000 3100 4000 3350
Connection ~ 3750 3100
Wire Wire Line
	3700 3100 3750 3100
Wire Wire Line
	3750 3100 3750 3150
$Comp
L power:+3.3V #PWR0171
U 1 1 6000BC0E
P 3500 3050
F 0 "#PWR0171" H 3500 2900 50  0001 C CNN
F 1 "+3.3V" H 3515 3223 50  0000 C CNN
F 2 "" H 3500 3050 50  0001 C CNN
F 3 "" H 3500 3050 50  0001 C CNN
	1    3500 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 3050 3500 3100
$Comp
L power:GNDA #PWR0172
U 1 1 6000BC15
P 3750 3400
F 0 "#PWR0172" H 3750 3150 50  0001 C CNN
F 1 "GNDA" V 3755 3272 50  0000 R CNN
F 2 "" H 3750 3400 50  0001 C CNN
F 3 "" H 3750 3400 50  0001 C CNN
	1    3750 3400
	0    1    1    0   
$EndComp
Wire Wire Line
	3750 3400 3750 3350
$Comp
L Device:C_Small C104
U 1 1 6000BC1C
P 3900 3200
F 0 "C104" H 3900 3100 50  0000 L CNN
F 1 "100NF" H 3850 3200 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3900 3200 50  0001 C CNN
F 3 "~" H 3900 3200 50  0001 C CNN
	1    3900 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 3300 3850 3400
Wire Wire Line
	3850 3400 3750 3400
Connection ~ 3750 3400
Connection ~ 3900 3100
Wire Wire Line
	3900 3100 4000 3100
Wire Wire Line
	3900 3300 3850 3300
Wire Wire Line
	3750 3100 3900 3100
Wire Wire Line
	4000 3350 4550 3350
Text HLabel 5200 2850 2    80   Input ~ 0
~OC_FAULT
Wire Wire Line
	5200 2850 5150 2850
Connection ~ 5150 2850
Wire Wire Line
	5150 2850 5150 3250
$Comp
L Amplifier_Operational:OPA2376xxD U15
U 2 1 600284E5
P 3350 4050
F 0 "U15" H 3350 3683 50  0000 C CNN
F 1 "OPA2376xxD" H 3350 3774 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3350 4050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa376.pdf" H 3350 4050 50  0001 C CNN
	2    3350 4050
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R122
U 1 1 600284EB
P 1700 3950
F 0 "R122" V 1600 3950 50  0000 C CNN
F 1 "100R" V 1700 3950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 3950 50  0001 C CNN
F 3 "~" H 1700 3950 50  0001 C CNN
	1    1700 3950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R130
U 1 1 600284F1
P 1700 4150
F 0 "R130" V 1800 4150 50  0000 C CNN
F 1 "100R" V 1700 4150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 4150 50  0001 C CNN
F 3 "~" H 1700 4150 50  0001 C CNN
	1    1700 4150
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R131
U 1 1 600284F7
P 2200 4150
F 0 "R131" V 2250 4150 50  0000 C CNN
F 1 "1K" V 2200 4150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2200 4150 50  0001 C CNN
F 3 "~" H 2200 4150 50  0001 C CNN
	1    2200 4150
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R132
U 1 1 600284FD
P 2650 4150
F 0 "R132" V 2700 4150 50  0000 C CNN
F 1 "10K" V 2650 4150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2650 4150 50  0001 C CNN
F 3 "~" H 2650 4150 50  0001 C CNN
	1    2650 4150
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R123
U 1 1 60028503
P 2200 3950
F 0 "R123" V 2100 3950 50  0000 C CNN
F 1 "1K" V 2200 3950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2200 3950 50  0001 C CNN
F 3 "~" H 2200 3950 50  0001 C CNN
	1    2200 3950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R124
U 1 1 60028509
P 2650 3950
F 0 "R124" V 2550 3950 50  0000 C CNN
F 1 "10K" V 2650 3950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2650 3950 50  0001 C CNN
F 3 "~" H 2650 3950 50  0001 C CNN
	1    2650 3950
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 3950 1950 3950
Wire Wire Line
	2300 3950 2450 3950
Wire Wire Line
	2750 3950 2950 3950
Wire Wire Line
	2750 4150 2900 4150
Wire Wire Line
	2300 4150 2450 4150
Wire Wire Line
	1800 4150 1950 4150
$Comp
L Device:C_Small C110
U 1 1 60028515
P 1950 4050
F 0 "C110" H 2000 4100 50  0000 L CNN
F 1 "2.2NF" H 1900 4050 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1950 4050 50  0001 C CNN
F 3 "~" H 1950 4050 50  0001 C CNN
	1    1950 4050
	1    0    0    -1  
$EndComp
Connection ~ 1950 3950
Wire Wire Line
	1950 3950 2100 3950
Connection ~ 1950 4150
Wire Wire Line
	1950 4150 2100 4150
$Comp
L Device:C_Small C111
U 1 1 6002851F
P 2450 4050
F 0 "C111" H 2450 4100 50  0000 L CNN
F 1 "220PF" H 2400 4050 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2450 4050 50  0001 C CNN
F 3 "~" H 2450 4050 50  0001 C CNN
	1    2450 4050
	1    0    0    -1  
$EndComp
Connection ~ 2450 3950
Wire Wire Line
	2450 3950 2550 3950
Connection ~ 2450 4150
Wire Wire Line
	2450 4150 2550 4150
$Comp
L Device:R_Small R134
U 1 1 60028529
P 2900 4250
F 0 "R134" H 2841 4204 50  0000 R CNN
F 1 "8.87K" H 3150 4300 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2900 4250 50  0001 C CNN
F 3 "~" H 2900 4250 50  0001 C CNN
	1    2900 4250
	-1   0    0    1   
$EndComp
Connection ~ 2900 4150
Wire Wire Line
	2900 4150 3050 4150
$Comp
L Device:R_Small R139
U 1 1 60028531
P 3200 4400
F 0 "R139" V 3300 4400 50  0000 C CNN
F 1 "1K" V 3200 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 4400 50  0001 C CNN
F 3 "~" H 3200 4400 50  0001 C CNN
	1    3200 4400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R140
U 1 1 60028537
P 3200 4500
F 0 "R140" V 3100 4500 50  0000 C CNN
F 1 "1K" V 3200 4500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 4500 50  0001 C CNN
F 3 "~" H 3200 4500 50  0001 C CNN
	1    3200 4500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3100 4500 3100 4450
Wire Wire Line
	3100 4450 2900 4450
Wire Wire Line
	2900 4450 2900 4350
Connection ~ 3100 4450
Wire Wire Line
	3100 4450 3100 4400
$Comp
L power:+3.3V #PWR0173
U 1 1 60028542
P 3400 4400
F 0 "#PWR0173" H 3400 4250 50  0001 C CNN
F 1 "+3.3V" H 3415 4573 50  0000 C CNN
F 2 "" H 3400 4400 50  0001 C CNN
F 3 "" H 3400 4400 50  0001 C CNN
	1    3400 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 4400 3400 4400
$Comp
L power:GNDA #PWR0174
U 1 1 60028549
P 3350 4500
F 0 "#PWR0174" H 3350 4250 50  0001 C CNN
F 1 "GNDA" H 3355 4327 50  0000 C CNN
F 2 "" H 3350 4500 50  0001 C CNN
F 3 "" H 3350 4500 50  0001 C CNN
	1    3350 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 4500 3300 4500
$Comp
L Device:R_Small R128
U 1 1 60028550
P 1500 4050
F 0 "R128" H 1650 4050 50  0000 R CNN
F 1 "2K" H 1550 4050 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1500 4050 50  0001 C CNN
F 3 "~" H 1500 4050 50  0001 C CNN
	1    1500 4050
	-1   0    0    1   
$EndComp
Wire Wire Line
	1500 3950 1600 3950
Wire Wire Line
	1500 4150 1600 4150
$Comp
L Device:R_Small R117
U 1 1 60028558
P 3200 3550
F 0 "R117" V 3004 3550 50  0000 C CNN
F 1 "8.87K" V 3100 3550 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 3550 50  0001 C CNN
F 3 "~" H 3200 3550 50  0001 C CNN
	1    3200 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	3100 3550 2950 3550
Wire Wire Line
	2950 3550 2950 3950
Connection ~ 2950 3950
Wire Wire Line
	2950 3950 3050 3950
Wire Wire Line
	3300 3550 3650 3550
Wire Wire Line
	3650 3550 3650 4050
Text HLabel 1350 3950 0    59   Input ~ 0
i_phaseV-
Text HLabel 1350 4150 0    59   Input ~ 0
i_phaseV+
Wire Wire Line
	1350 4150 1500 4150
Connection ~ 1500 4150
Wire Wire Line
	1350 3950 1500 3950
Connection ~ 1500 3950
Text HLabel 3850 4050 2    59   Input ~ 0
i_phaseV
Wire Wire Line
	3850 4050 3750 4050
Connection ~ 3650 4050
$Comp
L Comparator:LM2903 U19
U 1 1 6002856D
P 4850 4700
F 0 "U19" H 4850 5067 50  0000 C CNN
F 1 "LM2903" H 4850 4976 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 4850 4700 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4850 4700 50  0001 C CNN
	1    4850 4700
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM2903 U19
U 2 1 60028573
P 4850 5450
F 0 "U19" H 4850 5817 50  0000 C CNN
F 1 "LM2903" H 4850 5726 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 4850 5450 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4850 5450 50  0001 C CNN
	2    4850 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 4700 5150 5050
Wire Wire Line
	4550 4800 4450 4800
Wire Wire Line
	4450 4800 4450 5350
Wire Wire Line
	4450 5350 4550 5350
$Comp
L Device:R_Small R143
U 1 1 6002857D
P 4050 4800
F 0 "R143" V 3950 4800 50  0000 C CNN
F 1 "10K" V 4050 4800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4050 4800 50  0001 C CNN
F 3 "~" H 4050 4800 50  0001 C CNN
	1    4050 4800
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C115
U 1 1 60028583
P 4250 4900
F 0 "C115" H 4250 4950 50  0000 L CNN
F 1 "100PF" H 4200 4900 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4250 4900 50  0001 C CNN
F 3 "~" H 4250 4900 50  0001 C CNN
	1    4250 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 4800 4250 4800
Connection ~ 4450 4800
Connection ~ 4250 4800
Wire Wire Line
	4250 4800 4150 4800
$Comp
L power:GNDA #PWR0175
U 1 1 6002858D
P 4250 5000
F 0 "#PWR0175" H 4250 4750 50  0001 C CNN
F 1 "GNDA" H 4255 4827 50  0000 C CNN
F 2 "" H 4250 5000 50  0001 C CNN
F 3 "" H 4250 5000 50  0001 C CNN
	1    4250 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 4800 3750 4800
Wire Wire Line
	3750 4800 3750 4050
Connection ~ 3750 4050
Wire Wire Line
	3750 4050 3650 4050
$Comp
L Device:R_Small R141
U 1 1 60028597
P 4100 4500
F 0 "R141" V 4000 4500 50  0000 C CNN
F 1 "10K" V 4100 4500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4100 4500 50  0001 C CNN
F 3 "~" H 4100 4500 50  0001 C CNN
	1    4100 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R136
U 1 1 6002859D
P 3950 4350
F 0 "R136" V 3850 4350 50  0000 C CNN
F 1 "1K" V 3950 4350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3950 4350 50  0001 C CNN
F 3 "~" H 3950 4350 50  0001 C CNN
	1    3950 4350
	0    1    1    0   
$EndComp
Wire Wire Line
	4350 4350 4350 4600
Wire Wire Line
	4350 4600 4550 4600
Connection ~ 4100 4350
Wire Wire Line
	4050 4350 4100 4350
Wire Wire Line
	4100 4350 4100 4400
$Comp
L power:+3.3V #PWR0176
U 1 1 600285A8
P 3850 4300
F 0 "#PWR0176" H 3850 4150 50  0001 C CNN
F 1 "+3.3V" H 3865 4473 50  0000 C CNN
F 2 "" H 3850 4300 50  0001 C CNN
F 3 "" H 3850 4300 50  0001 C CNN
	1    3850 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 4300 3850 4350
$Comp
L power:GNDA #PWR0177
U 1 1 600285AF
P 4100 4650
F 0 "#PWR0177" H 4100 4400 50  0001 C CNN
F 1 "GNDA" V 4105 4522 50  0000 R CNN
F 2 "" H 4100 4650 50  0001 C CNN
F 3 "" H 4100 4650 50  0001 C CNN
	1    4100 4650
	0    1    1    0   
$EndComp
Wire Wire Line
	4100 4650 4100 4600
$Comp
L Device:C_Small C113
U 1 1 600285B6
P 4250 4450
F 0 "C113" H 4250 4350 50  0000 L CNN
F 1 "100NF" H 4200 4450 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4250 4450 50  0001 C CNN
F 3 "~" H 4250 4450 50  0001 C CNN
	1    4250 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 4550 4200 4650
Wire Wire Line
	4200 4650 4100 4650
Connection ~ 4100 4650
Connection ~ 4250 4350
Wire Wire Line
	4250 4350 4350 4350
Wire Wire Line
	4250 4550 4200 4550
Wire Wire Line
	4100 4350 4250 4350
$Comp
L Device:R_Small R147
U 1 1 600285C3
P 3750 5450
F 0 "R147" V 3650 5450 50  0000 C CNN
F 1 "1K" V 3750 5450 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3750 5450 50  0001 C CNN
F 3 "~" H 3750 5450 50  0001 C CNN
	1    3750 5450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R145
U 1 1 600285C9
P 3600 5300
F 0 "R145" V 3500 5300 50  0000 C CNN
F 1 "10K" V 3600 5300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3600 5300 50  0001 C CNN
F 3 "~" H 3600 5300 50  0001 C CNN
	1    3600 5300
	0    1    1    0   
$EndComp
Wire Wire Line
	4000 5300 4000 5550
Connection ~ 3750 5300
Wire Wire Line
	3700 5300 3750 5300
Wire Wire Line
	3750 5300 3750 5350
$Comp
L power:+3.3V #PWR0178
U 1 1 600285D3
P 3500 5250
F 0 "#PWR0178" H 3500 5100 50  0001 C CNN
F 1 "+3.3V" H 3515 5423 50  0000 C CNN
F 2 "" H 3500 5250 50  0001 C CNN
F 3 "" H 3500 5250 50  0001 C CNN
	1    3500 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 5250 3500 5300
$Comp
L power:GNDA #PWR0179
U 1 1 600285DA
P 3750 5600
F 0 "#PWR0179" H 3750 5350 50  0001 C CNN
F 1 "GNDA" V 3755 5472 50  0000 R CNN
F 2 "" H 3750 5600 50  0001 C CNN
F 3 "" H 3750 5600 50  0001 C CNN
	1    3750 5600
	0    1    1    0   
$EndComp
Wire Wire Line
	3750 5600 3750 5550
$Comp
L Device:C_Small C118
U 1 1 600285E1
P 3900 5400
F 0 "C118" H 3900 5300 50  0000 L CNN
F 1 "100NF" H 3850 5400 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3900 5400 50  0001 C CNN
F 3 "~" H 3900 5400 50  0001 C CNN
	1    3900 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 5500 3850 5600
Wire Wire Line
	3850 5600 3750 5600
Connection ~ 3750 5600
Connection ~ 3900 5300
Wire Wire Line
	3900 5300 4000 5300
Wire Wire Line
	3900 5500 3850 5500
Wire Wire Line
	3750 5300 3900 5300
Wire Wire Line
	4000 5550 4550 5550
Text HLabel 5200 5050 2    80   Input ~ 0
~OC_FAULT
Wire Wire Line
	5200 5050 5150 5050
Connection ~ 5150 5050
Wire Wire Line
	5150 5050 5150 5450
$Comp
L Amplifier_Operational:OPA2376xxD U17
U 1 1 6003D05B
P 8100 3900
F 0 "U17" H 8100 3533 50  0000 C CNN
F 1 "OPA2376xxD" H 8100 3624 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 8100 3900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa376.pdf" H 8100 3900 50  0001 C CNN
	1    8100 3900
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R118
U 1 1 6003D061
P 6450 3800
F 0 "R118" V 6350 3800 50  0000 C CNN
F 1 "100R" V 6450 3800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6450 3800 50  0001 C CNN
F 3 "~" H 6450 3800 50  0001 C CNN
	1    6450 3800
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R125
U 1 1 6003D067
P 6450 4000
F 0 "R125" V 6550 4000 50  0000 C CNN
F 1 "100R" V 6450 4000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6450 4000 50  0001 C CNN
F 3 "~" H 6450 4000 50  0001 C CNN
	1    6450 4000
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R126
U 1 1 6003D06D
P 6950 4000
F 0 "R126" V 7000 4000 50  0000 C CNN
F 1 "1K" V 6950 4000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6950 4000 50  0001 C CNN
F 3 "~" H 6950 4000 50  0001 C CNN
	1    6950 4000
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R127
U 1 1 6003D073
P 7400 4000
F 0 "R127" V 7450 4000 50  0000 C CNN
F 1 "10K" V 7400 4000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7400 4000 50  0001 C CNN
F 3 "~" H 7400 4000 50  0001 C CNN
	1    7400 4000
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R119
U 1 1 6003D079
P 6950 3800
F 0 "R119" V 6850 3800 50  0000 C CNN
F 1 "1K" V 6950 3800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6950 3800 50  0001 C CNN
F 3 "~" H 6950 3800 50  0001 C CNN
	1    6950 3800
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R120
U 1 1 6003D07F
P 7400 3800
F 0 "R120" V 7300 3800 50  0000 C CNN
F 1 "10K" V 7400 3800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7400 3800 50  0001 C CNN
F 3 "~" H 7400 3800 50  0001 C CNN
	1    7400 3800
	0    1    1    0   
$EndComp
Wire Wire Line
	6550 3800 6700 3800
Wire Wire Line
	7050 3800 7200 3800
Wire Wire Line
	7500 3800 7700 3800
Wire Wire Line
	7500 4000 7650 4000
Wire Wire Line
	7050 4000 7200 4000
Wire Wire Line
	6550 4000 6700 4000
$Comp
L Device:C_Small C107
U 1 1 6003D08B
P 6700 3900
F 0 "C107" H 6750 3950 50  0000 L CNN
F 1 "2.2NF" H 6650 3900 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6700 3900 50  0001 C CNN
F 3 "~" H 6700 3900 50  0001 C CNN
	1    6700 3900
	1    0    0    -1  
$EndComp
Connection ~ 6700 3800
Wire Wire Line
	6700 3800 6850 3800
Connection ~ 6700 4000
Wire Wire Line
	6700 4000 6850 4000
$Comp
L Device:C_Small C108
U 1 1 6003D095
P 7200 3900
F 0 "C108" H 7200 3950 50  0000 L CNN
F 1 "220PF" H 7150 3900 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7200 3900 50  0001 C CNN
F 3 "~" H 7200 3900 50  0001 C CNN
	1    7200 3900
	1    0    0    -1  
$EndComp
Connection ~ 7200 3800
Wire Wire Line
	7200 3800 7300 3800
Connection ~ 7200 4000
Wire Wire Line
	7200 4000 7300 4000
$Comp
L Device:R_Small R129
U 1 1 6003D09F
P 7650 4100
F 0 "R129" H 7591 4054 50  0000 R CNN
F 1 "8.87K" H 7900 4150 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7650 4100 50  0001 C CNN
F 3 "~" H 7650 4100 50  0001 C CNN
	1    7650 4100
	-1   0    0    1   
$EndComp
Connection ~ 7650 4000
Wire Wire Line
	7650 4000 7800 4000
$Comp
L Device:R_Small R135
U 1 1 6003D0A7
P 7950 4250
F 0 "R135" V 8050 4250 50  0000 C CNN
F 1 "1K" V 7950 4250 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7950 4250 50  0001 C CNN
F 3 "~" H 7950 4250 50  0001 C CNN
	1    7950 4250
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R137
U 1 1 6003D0AD
P 7950 4350
F 0 "R137" V 7850 4350 50  0000 C CNN
F 1 "1K" V 7950 4350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7950 4350 50  0001 C CNN
F 3 "~" H 7950 4350 50  0001 C CNN
	1    7950 4350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7850 4350 7850 4300
Wire Wire Line
	7850 4300 7650 4300
Wire Wire Line
	7650 4300 7650 4200
Connection ~ 7850 4300
Wire Wire Line
	7850 4300 7850 4250
$Comp
L power:+3.3V #PWR0180
U 1 1 6003D0B8
P 8150 4250
F 0 "#PWR0180" H 8150 4100 50  0001 C CNN
F 1 "+3.3V" H 8165 4423 50  0000 C CNN
F 2 "" H 8150 4250 50  0001 C CNN
F 3 "" H 8150 4250 50  0001 C CNN
	1    8150 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 4250 8150 4250
$Comp
L power:GNDA #PWR0181
U 1 1 6003D0BF
P 8100 4350
F 0 "#PWR0181" H 8100 4100 50  0001 C CNN
F 1 "GNDA" H 8105 4177 50  0000 C CNN
F 2 "" H 8100 4350 50  0001 C CNN
F 3 "" H 8100 4350 50  0001 C CNN
	1    8100 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	8100 4350 8050 4350
$Comp
L Device:R_Small R121
U 1 1 6003D0C6
P 6250 3900
F 0 "R121" H 6400 3900 50  0000 R CNN
F 1 "2K" H 6300 3900 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6250 3900 50  0001 C CNN
F 3 "~" H 6250 3900 50  0001 C CNN
	1    6250 3900
	-1   0    0    1   
$EndComp
Wire Wire Line
	6250 3800 6350 3800
Wire Wire Line
	6250 4000 6350 4000
$Comp
L Device:R_Small R116
U 1 1 6003D0CE
P 7950 3400
F 0 "R116" V 7754 3400 50  0000 C CNN
F 1 "8.87K" V 7850 3400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7950 3400 50  0001 C CNN
F 3 "~" H 7950 3400 50  0001 C CNN
	1    7950 3400
	0    1    1    0   
$EndComp
Wire Wire Line
	7850 3400 7700 3400
Wire Wire Line
	7700 3400 7700 3800
Connection ~ 7700 3800
Wire Wire Line
	7700 3800 7800 3800
Wire Wire Line
	8050 3400 8400 3400
Wire Wire Line
	8400 3400 8400 3900
Text HLabel 6100 3800 0    59   Input ~ 0
i_phaseW-
Text HLabel 6100 4000 0    59   Input ~ 0
i_phaseW+
Wire Wire Line
	6100 4000 6250 4000
Connection ~ 6250 4000
Wire Wire Line
	6100 3800 6250 3800
Connection ~ 6250 3800
Text HLabel 8600 3900 2    59   Input ~ 0
i_phaseW
Wire Wire Line
	8600 3900 8500 3900
Connection ~ 8400 3900
$Comp
L Comparator:LM2903 U18
U 1 1 6003D0E3
P 9600 4550
F 0 "U18" H 9600 4917 50  0000 C CNN
F 1 "LM2903" H 9600 4826 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 9600 4550 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 9600 4550 50  0001 C CNN
	1    9600 4550
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM2903 U18
U 2 1 6003D0E9
P 9600 5300
F 0 "U18" H 9600 5667 50  0000 C CNN
F 1 "LM2903" H 9600 5576 50  0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 9600 5300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 9600 5300 50  0001 C CNN
	2    9600 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 4550 9900 4900
Wire Wire Line
	9300 4650 9200 4650
Wire Wire Line
	9200 4650 9200 5200
Wire Wire Line
	9200 5200 9300 5200
$Comp
L Device:R_Small R142
U 1 1 6003D0F3
P 8800 4650
F 0 "R142" V 8700 4650 50  0000 C CNN
F 1 "10K" V 8800 4650 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8800 4650 50  0001 C CNN
F 3 "~" H 8800 4650 50  0001 C CNN
	1    8800 4650
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C114
U 1 1 6003D0F9
P 9000 4750
F 0 "C114" H 9000 4800 50  0000 L CNN
F 1 "100PF" H 8950 4750 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9000 4750 50  0001 C CNN
F 3 "~" H 9000 4750 50  0001 C CNN
	1    9000 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 4650 9000 4650
Connection ~ 9200 4650
Connection ~ 9000 4650
Wire Wire Line
	9000 4650 8900 4650
$Comp
L power:GNDA #PWR0182
U 1 1 6003D103
P 9000 4850
F 0 "#PWR0182" H 9000 4600 50  0001 C CNN
F 1 "GNDA" H 9005 4677 50  0000 C CNN
F 2 "" H 9000 4850 50  0001 C CNN
F 3 "" H 9000 4850 50  0001 C CNN
	1    9000 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 4650 8500 4650
Wire Wire Line
	8500 4650 8500 3900
Connection ~ 8500 3900
Wire Wire Line
	8500 3900 8400 3900
$Comp
L Device:R_Small R138
U 1 1 6003D10D
P 8850 4350
F 0 "R138" V 8750 4350 50  0000 C CNN
F 1 "10K" V 8850 4350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8850 4350 50  0001 C CNN
F 3 "~" H 8850 4350 50  0001 C CNN
	1    8850 4350
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R133
U 1 1 6003D113
P 8700 4200
F 0 "R133" V 8600 4200 50  0000 C CNN
F 1 "1K" V 8700 4200 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8700 4200 50  0001 C CNN
F 3 "~" H 8700 4200 50  0001 C CNN
	1    8700 4200
	0    1    1    0   
$EndComp
Wire Wire Line
	9100 4200 9100 4450
Wire Wire Line
	9100 4450 9300 4450
Connection ~ 8850 4200
Wire Wire Line
	8800 4200 8850 4200
Wire Wire Line
	8850 4200 8850 4250
$Comp
L power:+3.3V #PWR0183
U 1 1 6003D11E
P 8600 4150
F 0 "#PWR0183" H 8600 4000 50  0001 C CNN
F 1 "+3.3V" H 8615 4323 50  0000 C CNN
F 2 "" H 8600 4150 50  0001 C CNN
F 3 "" H 8600 4150 50  0001 C CNN
	1    8600 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8600 4150 8600 4200
$Comp
L power:GNDA #PWR0184
U 1 1 6003D125
P 8850 4500
F 0 "#PWR0184" H 8850 4250 50  0001 C CNN
F 1 "GNDA" V 8855 4372 50  0000 R CNN
F 2 "" H 8850 4500 50  0001 C CNN
F 3 "" H 8850 4500 50  0001 C CNN
	1    8850 4500
	0    1    1    0   
$EndComp
Wire Wire Line
	8850 4500 8850 4450
$Comp
L Device:C_Small C112
U 1 1 6003D12C
P 9000 4300
F 0 "C112" H 9000 4200 50  0000 L CNN
F 1 "100NF" H 8950 4300 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9000 4300 50  0001 C CNN
F 3 "~" H 9000 4300 50  0001 C CNN
	1    9000 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 4400 8950 4500
Wire Wire Line
	8950 4500 8850 4500
Connection ~ 8850 4500
Connection ~ 9000 4200
Wire Wire Line
	9000 4200 9100 4200
Wire Wire Line
	9000 4400 8950 4400
Wire Wire Line
	8850 4200 9000 4200
$Comp
L Device:R_Small R146
U 1 1 6003D139
P 8500 5300
F 0 "R146" V 8400 5300 50  0000 C CNN
F 1 "1K" V 8500 5300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8500 5300 50  0001 C CNN
F 3 "~" H 8500 5300 50  0001 C CNN
	1    8500 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R144
U 1 1 6003D13F
P 8350 5150
F 0 "R144" V 8250 5150 50  0000 C CNN
F 1 "10K" V 8350 5150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8350 5150 50  0001 C CNN
F 3 "~" H 8350 5150 50  0001 C CNN
	1    8350 5150
	0    1    1    0   
$EndComp
Wire Wire Line
	8750 5150 8750 5400
Connection ~ 8500 5150
Wire Wire Line
	8450 5150 8500 5150
Wire Wire Line
	8500 5150 8500 5200
$Comp
L power:+3.3V #PWR0185
U 1 1 6003D149
P 8250 5100
F 0 "#PWR0185" H 8250 4950 50  0001 C CNN
F 1 "+3.3V" H 8265 5273 50  0000 C CNN
F 2 "" H 8250 5100 50  0001 C CNN
F 3 "" H 8250 5100 50  0001 C CNN
	1    8250 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 5100 8250 5150
$Comp
L power:GNDA #PWR0186
U 1 1 6003D150
P 8500 5450
F 0 "#PWR0186" H 8500 5200 50  0001 C CNN
F 1 "GNDA" V 8505 5322 50  0000 R CNN
F 2 "" H 8500 5450 50  0001 C CNN
F 3 "" H 8500 5450 50  0001 C CNN
	1    8500 5450
	0    1    1    0   
$EndComp
Wire Wire Line
	8500 5450 8500 5400
$Comp
L Device:C_Small C117
U 1 1 6003D157
P 8650 5250
F 0 "C117" H 8650 5150 50  0000 L CNN
F 1 "100NF" H 8600 5250 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8650 5250 50  0001 C CNN
F 3 "~" H 8650 5250 50  0001 C CNN
	1    8650 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	8600 5350 8600 5450
Wire Wire Line
	8600 5450 8500 5450
Connection ~ 8500 5450
Connection ~ 8650 5150
Wire Wire Line
	8650 5150 8750 5150
Wire Wire Line
	8650 5350 8600 5350
Wire Wire Line
	8500 5150 8650 5150
Wire Wire Line
	8750 5400 9300 5400
Text HLabel 9950 4900 2    80   Input ~ 0
~OC_FAULT
Wire Wire Line
	9950 4900 9900 4900
Connection ~ 9900 4900
Wire Wire Line
	9900 4900 9900 5300
$Comp
L Amplifier_Operational:OPA2376xxD U15
U 3 1 60045D55
P 5150 1450
F 0 "U15" H 4963 1404 50  0000 R CNN
F 1 "OPA2376xxD" H 4963 1495 50  0000 R CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5150 1450 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa376.pdf" H 5150 1450 50  0001 C CNN
	3    5150 1450
	1    0    0    1   
$EndComp
$Comp
L Device:C_Small C95
U 1 1 600479BD
P 5200 1450
F 0 "C95" H 5200 1500 50  0000 L CNN
F 1 "100NF" H 5150 1450 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5200 1450 50  0001 C CNN
F 3 "~" H 5200 1450 50  0001 C CNN
	1    5200 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 1350 5200 1200
Wire Wire Line
	5200 1150 5150 1150
Wire Wire Line
	5200 1550 5200 1750
Wire Wire Line
	5200 1750 5150 1750
$Comp
L power:+3.3V #PWR0187
U 1 1 60059871
P 5200 1750
F 0 "#PWR0187" H 5200 1600 50  0001 C CNN
F 1 "+3.3V" H 5215 1923 50  0000 C CNN
F 2 "" H 5200 1750 50  0001 C CNN
F 3 "" H 5200 1750 50  0001 C CNN
	1    5200 1750
	0    1    1    0   
$EndComp
Connection ~ 5150 1150
Wire Wire Line
	5150 1150 5050 1150
$Comp
L power:GNDA #PWR0188
U 1 1 60059F98
P 5200 1200
F 0 "#PWR0188" H 5200 950 50  0001 C CNN
F 1 "GNDA" H 5205 1027 50  0000 C CNN
F 2 "" H 5200 1200 50  0001 C CNN
F 3 "" H 5200 1200 50  0001 C CNN
	1    5200 1200
	0    -1   -1   0   
$EndComp
Connection ~ 5150 1750
Wire Wire Line
	5150 1750 5050 1750
$Comp
L Comparator:LM2903 U16
U 3 1 6005B841
P 5600 2350
F 0 "U16" H 5558 2396 50  0000 L CNN
F 1 "LM2903" H 5300 2350 50  0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5600 2350 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 5600 2350 50  0001 C CNN
	3    5600 2350
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0189
U 1 1 6005CBDA
P 5600 2050
F 0 "#PWR0189" H 5600 1900 50  0001 C CNN
F 1 "+3.3V" H 5615 2223 50  0000 C CNN
F 2 "" H 5600 2050 50  0001 C CNN
F 3 "" H 5600 2050 50  0001 C CNN
	1    5600 2050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0190
U 1 1 6005D178
P 5650 2650
F 0 "#PWR0190" H 5650 2400 50  0001 C CNN
F 1 "GNDA" H 5655 2477 50  0000 C CNN
F 2 "" H 5650 2650 50  0001 C CNN
F 3 "" H 5650 2650 50  0001 C CNN
	1    5650 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C101
U 1 1 6005D502
P 5800 2400
F 0 "C101" H 5800 2450 50  0000 L CNN
F 1 "100NF" H 5750 2400 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5800 2400 50  0001 C CNN
F 3 "~" H 5800 2400 50  0001 C CNN
	1    5800 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 2500 5800 2650
Wire Wire Line
	5800 2650 5650 2650
Connection ~ 5650 2650
Wire Wire Line
	5650 2650 5500 2650
Wire Wire Line
	5500 2050 5600 2050
Wire Wire Line
	5800 2050 5800 2300
Connection ~ 5600 2050
Wire Wire Line
	5600 2050 5800 2050
$Comp
L Comparator:LM2903 U18
U 3 1 60073389
P 10350 4000
F 0 "U18" H 10308 4046 50  0000 L CNN
F 1 "LM2903" H 10308 3955 50  0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 10350 4000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 10350 4000 50  0001 C CNN
	3    10350 4000
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0191
U 1 1 6007338F
P 10350 3700
F 0 "#PWR0191" H 10350 3550 50  0001 C CNN
F 1 "+3.3V" H 10365 3873 50  0000 C CNN
F 2 "" H 10350 3700 50  0001 C CNN
F 3 "" H 10350 3700 50  0001 C CNN
	1    10350 3700
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0192
U 1 1 60073395
P 10400 4300
F 0 "#PWR0192" H 10400 4050 50  0001 C CNN
F 1 "GNDA" H 10405 4127 50  0000 C CNN
F 2 "" H 10400 4300 50  0001 C CNN
F 3 "" H 10400 4300 50  0001 C CNN
	1    10400 4300
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C116
U 1 1 6007339B
P 10550 4050
F 0 "C116" H 10550 4100 50  0000 L CNN
F 1 "100NF" H 10500 4050 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10550 4050 50  0001 C CNN
F 3 "~" H 10550 4050 50  0001 C CNN
	1    10550 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	10550 4150 10550 4300
Wire Wire Line
	10550 4300 10400 4300
Connection ~ 10400 4300
Wire Wire Line
	10400 4300 10250 4300
Wire Wire Line
	10250 3700 10350 3700
Wire Wire Line
	10550 3700 10550 3950
Connection ~ 10350 3700
Wire Wire Line
	10350 3700 10550 3700
$Comp
L Comparator:LM2903 U19
U 3 1 6007F1B3
P 5450 5900
F 0 "U19" H 5408 5946 50  0000 L CNN
F 1 "LM2903" H 5408 5855 50  0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5450 5900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 5450 5900 50  0001 C CNN
	3    5450 5900
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0193
U 1 1 6007F1B9
P 5450 5600
F 0 "#PWR0193" H 5450 5450 50  0001 C CNN
F 1 "+3.3V" H 5465 5773 50  0000 C CNN
F 2 "" H 5450 5600 50  0001 C CNN
F 3 "" H 5450 5600 50  0001 C CNN
	1    5450 5600
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0194
U 1 1 6007F1BF
P 5500 6200
F 0 "#PWR0194" H 5500 5950 50  0001 C CNN
F 1 "GNDA" H 5505 6027 50  0000 C CNN
F 2 "" H 5500 6200 50  0001 C CNN
F 3 "" H 5500 6200 50  0001 C CNN
	1    5500 6200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C119
U 1 1 6007F1C5
P 5650 5950
F 0 "C119" H 5650 6000 50  0000 L CNN
F 1 "100NF" H 5600 5950 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5650 5950 50  0001 C CNN
F 3 "~" H 5650 5950 50  0001 C CNN
	1    5650 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 6050 5650 6200
Wire Wire Line
	5650 6200 5500 6200
Connection ~ 5500 6200
Wire Wire Line
	5500 6200 5350 6200
Wire Wire Line
	5350 5600 5450 5600
Wire Wire Line
	5650 5600 5650 5850
Connection ~ 5450 5600
Wire Wire Line
	5450 5600 5650 5600
$Comp
L Amplifier_Operational:OPA2376xxD U17
U 3 1 6008D2B1
P 9500 3600
F 0 "U17" H 9313 3554 50  0000 R CNN
F 1 "OPA2376xxD" H 9313 3645 50  0000 R CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 9500 3600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa376.pdf" H 9500 3600 50  0001 C CNN
	3    9500 3600
	1    0    0    1   
$EndComp
$Comp
L Device:C_Small C105
U 1 1 6008D2B7
P 9550 3600
F 0 "C105" H 9550 3650 50  0000 L CNN
F 1 "100NF" H 9500 3600 24  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9550 3600 50  0001 C CNN
F 3 "~" H 9550 3600 50  0001 C CNN
	1    9550 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9550 3500 9550 3400
Wire Wire Line
	9550 3300 9500 3300
Wire Wire Line
	9550 3700 9550 3750
Wire Wire Line
	9550 3900 9500 3900
$Comp
L power:+3.3V #PWR0195
U 1 1 6008D2C1
P 9550 3750
F 0 "#PWR0195" H 9550 3600 50  0001 C CNN
F 1 "+3.3V" H 9565 3923 50  0000 C CNN
F 2 "" H 9550 3750 50  0001 C CNN
F 3 "" H 9550 3750 50  0001 C CNN
	1    9550 3750
	0    1    1    0   
$EndComp
Connection ~ 9500 3300
Wire Wire Line
	9500 3300 9400 3300
$Comp
L power:GNDA #PWR0196
U 1 1 6008D2C9
P 9550 3400
F 0 "#PWR0196" H 9550 3150 50  0001 C CNN
F 1 "GNDA" H 9555 3227 50  0000 C CNN
F 2 "" H 9550 3400 50  0001 C CNN
F 3 "" H 9550 3400 50  0001 C CNN
	1    9550 3400
	0    -1   -1   0   
$EndComp
Connection ~ 9500 3900
Wire Wire Line
	9500 3900 9400 3900
Connection ~ 5200 1750
Connection ~ 5200 1200
Wire Wire Line
	5200 1200 5200 1150
Connection ~ 9550 3400
Wire Wire Line
	9550 3400 9550 3300
Connection ~ 9550 3750
Wire Wire Line
	9550 3750 9550 3900
$EndSCHEMATC