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awatch-sensors.sch
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awatch-sensors.sch
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EESchema Schematic File Version 4
LIBS:awatch2-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 10
Title "AWatch2"
Date ""
Rev "bigboard0"
Comp "Emarhavil Heavy Industries"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L awatch-parts:APDS-9306-065 U502
U 1 1 5C3CF98D
P 2200 1650
F 0 "U502" H 2300 1650 50 0000 L CNN
F 1 "APDS-9306-065" H 1900 1050 50 0000 L CNN
F 2 "awatch2-footprints:DFN-6_2x2mm_P0.53mm" H 2200 1650 50 0001 C CNN
F 3 "" H 2200 1650 50 0001 C CNN
F 4 "516-3578-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 2200 1650
1 0 0 -1
$EndComp
Text HLabel 1600 1850 0 50 Input ~ 0
SENS_SCL
Text HLabel 1600 1950 0 50 BiDi ~ 0
SENS_SDA
$Comp
L Device:R_Small_US R505
U 1 1 5C3CF9F9
P 1900 1850
F 0 "R505" V 1695 1850 50 0000 C CNN
F 1 "0" V 1786 1850 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1900 1850 50 0001 C CNN
F 3 "~" H 1900 1850 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 1900 1850
0 1 1 0
$EndComp
$Comp
L Device:R_Small_US R506
U 1 1 5C3CFA31
P 1900 1950
F 0 "R506" V 2013 1950 50 0000 C CNN
F 1 "0" V 2104 1950 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1900 1950 50 0001 C CNN
F 3 "~" H 1900 1950 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 1900 1950
0 1 1 0
$EndComp
Wire Wire Line
1600 1850 1800 1850
Wire Wire Line
1600 1950 1800 1950
Wire Wire Line
2000 1850 2200 1850
Wire Wire Line
2200 1950 2000 1950
Text Notes 1150 1350 0 79 ~ 16
ALS I2C address 7’h52
$Comp
L Device:C_Small C501
U 1 1 5C3CFB40
P 3100 1950
F 0 "C501" H 3192 1996 50 0000 L CNN
F 1 "1.0µF X7R" H 3192 1905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3100 1950 50 0001 C CNN
F 3 "~" H 3100 1950 50 0001 C CNN
F 4 "1276-1946-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3100 1950
1 0 0 -1
$EndComp
NoConn ~ 2200 2050
Wire Wire Line
2600 1600 2600 1500
Wire Wire Line
2600 1500 2850 1500
Wire Wire Line
3100 1500 3100 1850
Wire Wire Line
3100 2050 3100 2450
Wire Wire Line
3100 2450 2850 2450
Wire Wire Line
2600 2450 2600 2300
$Comp
L power:+2V8 #PWR0139
U 1 1 5C3CFD58
P 2850 1100
F 0 "#PWR0139" H 2850 950 50 0001 C CNN
F 1 "+2V8" H 2865 1273 50 0000 C CNN
F 2 "" H 2850 1100 50 0001 C CNN
F 3 "" H 2850 1100 50 0001 C CNN
1 2850 1100
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0140
U 1 1 5C3CFD94
P 2850 2550
F 0 "#PWR0140" H 2850 2300 50 0001 C CNN
F 1 "GND" H 2855 2377 50 0000 C CNN
F 2 "" H 2850 2550 50 0001 C CNN
F 3 "" H 2850 2550 50 0001 C CNN
1 2850 2550
1 0 0 -1
$EndComp
Wire Wire Line
2850 2550 2850 2450
Connection ~ 2850 2450
Wire Wire Line
2850 2450 2600 2450
Connection ~ 2850 1500
Wire Wire Line
2850 1500 3100 1500
$Comp
L awatch-parts:BMI160 U503
U 1 1 5C3D03C2
P 4350 4400
F 0 "U503" H 4050 4750 60 0000 C CNN
F 1 "BMI160" H 4050 4000 60 0000 C CNN
F 2 "awatch2-footprints:BMI160" H 4050 4650 60 0001 C CNN
F 3 "" H 4050 4650 60 0001 C CNN
F 4 "828-1057-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 4350 4400
1 0 0 -1
$EndComp
Wire Wire Line
4300 3900 4300 3800
Wire Wire Line
4300 3800 4400 3800
Wire Wire Line
4400 3800 4400 3900
Wire Wire Line
4300 5050 4400 5050
Wire Wire Line
4400 5050 4400 4900
Wire Wire Line
4300 4900 4300 5050
$Comp
L Device:R_Small_US R512
U 1 1 5C3D0900
P 5000 3950
F 0 "R512" H 4932 3904 50 0000 R CNN
F 1 "0" H 4932 3995 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5000 3950 50 0001 C CNN
F 3 "~" H 5000 3950 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5000 3950
-1 0 0 1
$EndComp
$Comp
L power:+2V8 #PWR0142
U 1 1 5C3D0CEE
P 4300 3000
F 0 "#PWR0142" H 4300 2850 50 0001 C CNN
F 1 "+2V8" H 4315 3173 50 0000 C CNN
F 2 "" H 4300 3000 50 0001 C CNN
F 3 "" H 4300 3000 50 0001 C CNN
1 4300 3000
1 0 0 -1
$EndComp
Wire Wire Line
5000 4450 4900 4450
Wire Wire Line
5000 4050 5000 4450
Wire Wire Line
4900 4150 5100 4150
Wire Wire Line
5100 4150 5100 4850
$Comp
L Device:R_Small_US R513
U 1 1 5C3D1386
P 5100 4950
F 0 "R513" H 5032 4904 50 0000 R CNN
F 1 "0" H 5032 4995 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5100 4950 50 0001 C CNN
F 3 "~" H 5100 4950 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5100 4950
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0143
U 1 1 5C3D13B3
P 4300 5150
F 0 "#PWR0143" H 4300 4900 50 0001 C CNN
F 1 "GND" H 4305 4977 50 0000 C CNN
F 2 "" H 4300 5150 50 0001 C CNN
F 3 "" H 4300 5150 50 0001 C CNN
1 4300 5150
1 0 0 -1
$EndComp
Wire Wire Line
4300 5050 4300 5150
Connection ~ 4300 5050
$Comp
L power:GND #PWR0144
U 1 1 5C3D162F
P 5100 5150
F 0 "#PWR0144" H 5100 4900 50 0001 C CNN
F 1 "GND" H 5105 4977 50 0000 C CNN
F 2 "" H 5100 5150 50 0001 C CNN
F 3 "" H 5100 5150 50 0001 C CNN
1 5100 5150
1 0 0 -1
$EndComp
Wire Wire Line
5100 5050 5100 5150
Text HLabel 5600 4350 2 50 Input ~ 0
SENS_SCL
Text HLabel 5600 4250 2 50 BiDi ~ 0
SENS_SDA
$Comp
L Device:R_Small_US R515
U 1 1 5C3D1EA4
P 5400 4350
F 0 "R515" V 5513 4350 50 0000 C CNN
F 1 "0" V 5604 4350 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5400 4350 50 0001 C CNN
F 3 "~" H 5400 4350 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5400 4350
0 1 1 0
$EndComp
$Comp
L Device:R_Small_US R514
U 1 1 5C3D1ED2
P 5400 4250
F 0 "R514" V 5195 4250 50 0000 C CNN
F 1 "0" V 5286 4250 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5400 4250 50 0001 C CNN
F 3 "~" H 5400 4250 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5400 4250
0 1 1 0
$EndComp
Wire Wire Line
5600 4250 5500 4250
Wire Wire Line
5500 4350 5600 4350
Wire Wire Line
5300 4250 4900 4250
Wire Wire Line
5300 4350 4900 4350
Wire Wire Line
4900 4550 5600 4550
Text HLabel 5600 4550 2 50 Output ~ 0
SENS_IMU_INT
NoConn ~ 4900 4650
$Comp
L Device:R_Small_US R508
U 1 1 5C3D3E2F
P 3150 4250
F 0 "R508" V 2945 4250 50 0000 C CNN
F 1 "0" V 3036 4250 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3150 4250 50 0001 C CNN
F 3 "~" H 3150 4250 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3150 4250
0 1 1 0
$EndComp
$Comp
L Device:R_Small_US R509
U 1 1 5C3D3E63
P 3150 4350
F 0 "R509" V 3263 4350 50 0000 C CNN
F 1 "0" V 3354 4350 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3150 4350 50 0001 C CNN
F 3 "~" H 3150 4350 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3150 4350
0 1 1 0
$EndComp
Wire Wire Line
3800 4250 3600 4250
$Comp
L Device:R_Small_US R510
U 1 1 5C3D498B
P 3600 4000
F 0 "R510" H 3532 4046 50 0000 R CNN
F 1 "2.2k" H 3532 3955 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3600 4000 50 0001 C CNN
F 3 "~" H 3600 4000 50 0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3600 4000
1 0 0 -1
$EndComp
$Comp
L Device:R_Small_US R511
U 1 1 5C3D52B1
P 3750 4000
F 0 "R511" H 3818 4046 50 0000 L CNN
F 1 "2.2k" H 3818 3955 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3750 4000 50 0001 C CNN
F 3 "~" H 3750 4000 50 0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3750 4000
1 0 0 -1
$EndComp
Wire Wire Line
3600 4100 3600 4250
Connection ~ 3600 4250
Wire Wire Line
3750 4100 3750 4350
Connection ~ 3750 4350
Wire Wire Line
3750 4350 3800 4350
Wire Wire Line
3600 3800 3750 3800
Wire Wire Line
3750 3800 3750 3900
Connection ~ 3600 3800
Wire Wire Line
3600 3800 3600 3900
Wire Wire Line
3250 4250 3600 4250
Wire Wire Line
3250 4350 3750 4350
NoConn ~ 3800 4450
NoConn ~ 3800 4550
$Comp
L Device:C_Small C502
U 1 1 5C3DAFCF
P 3550 6150
F 0 "C502" H 3642 6196 50 0000 L CNN
F 1 "0.1µF X7R" H 3642 6105 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3550 6150 50 0001 C CNN
F 3 "~" H 3550 6150 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 3550 6150
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C503
U 1 1 5C3DB06A
P 4000 6150
F 0 "C503" H 4092 6196 50 0000 L CNN
F 1 "0.1µF X7R" H 4092 6105 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4000 6150 50 0001 C CNN
F 3 "~" H 4000 6150 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 4000 6150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0148
U 1 1 5C3DB128
P 3550 6350
F 0 "#PWR0148" H 3550 6100 50 0001 C CNN
F 1 "GND" H 3555 6177 50 0000 C CNN
F 2 "" H 3550 6350 50 0001 C CNN
F 3 "" H 3550 6350 50 0001 C CNN
1 3550 6350
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0149
U 1 1 5C3DB151
P 4000 6350
F 0 "#PWR0149" H 4000 6100 50 0001 C CNN
F 1 "GND" H 4005 6177 50 0000 C CNN
F 2 "" H 4000 6350 50 0001 C CNN
F 3 "" H 4000 6350 50 0001 C CNN
1 4000 6350
1 0 0 -1
$EndComp
Wire Wire Line
4000 6250 4000 6350
Wire Wire Line
3550 6250 3550 6350
Text Notes 4100 6450 0 50 ~ 0
place near\nVDDIO/GNDIO
Text Notes 3050 6400 0 50 ~ 0
place near\nVDD/GND
$Comp
L awatch-parts:BMM150 U501
U 1 1 5C3DEDDD
P 2050 5300
F 0 "U501" H 3029 4846 50 0000 L CNN
F 1 "BMM150" H 3029 4755 50 0000 L CNN
F 2 "awatch2-footprints:WLCSP-12_1.56x1.56mm_Layout5x5_P0.283mm_Ball0.25mm_Pad0.2mm_NSMD" H 2050 5300 50 0001 C CNN
F 3 "" H 2050 5300 50 0001 C CNN
F 4 "828-1044-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 2050 5300
1 0 0 -1
$EndComp
Text Notes 2050 7000 0 79 ~ 16
Mag I2C address 7’h10
NoConn ~ 2050 6000
$Comp
L Device:C_Small C505
U 1 1 5C3E1318
P 5500 3250
F 0 "C505" H 5592 3296 50 0000 L CNN
F 1 "0.1µF X7R" H 5592 3205 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5500 3250 50 0001 C CNN
F 3 "~" H 5500 3250 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5500 3250
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C506
U 1 1 5C3E131F
P 5950 3250
F 0 "C506" H 6042 3296 50 0000 L CNN
F 1 "0.1µF X7R" H 6042 3205 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5950 3250 50 0001 C CNN
F 3 "~" H 5950 3250 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 5950 3250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0152
U 1 1 5C3E1332
P 5500 3450
F 0 "#PWR0152" H 5500 3200 50 0001 C CNN
F 1 "GND" H 5505 3277 50 0000 C CNN
F 2 "" H 5500 3450 50 0001 C CNN
F 3 "" H 5500 3450 50 0001 C CNN
1 5500 3450
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0153
U 1 1 5C3E1338
P 5950 3450
F 0 "#PWR0153" H 5950 3200 50 0001 C CNN
F 1 "GND" H 5955 3277 50 0000 C CNN
F 2 "" H 5950 3450 50 0001 C CNN
F 3 "" H 5950 3450 50 0001 C CNN
1 5950 3450
1 0 0 -1
$EndComp
Wire Wire Line
5950 3350 5950 3450
Wire Wire Line
5500 3350 5500 3450
Text Notes 6050 3550 0 50 ~ 0
place near\nVDDIO/GNDIO
Text Notes 5000 3500 0 50 ~ 0
place near\nVDD/GND
$Comp
L power:+2V8 #PWR0154
U 1 1 5C3E1E9C
P 2600 4750
F 0 "#PWR0154" H 2600 4600 50 0001 C CNN
F 1 "+2V8" H 2615 4923 50 0000 C CNN
F 2 "" H 2600 4750 50 0001 C CNN
F 3 "" H 2600 4750 50 0001 C CNN
1 2600 4750
1 0 0 -1
$EndComp
Wire Wire Line
2600 5200 2500 5200
Wire Wire Line
2500 5200 2500 5300
Connection ~ 2600 5200
Wire Wire Line
2600 5200 2600 5300
$Comp
L power:GND #PWR0155
U 1 1 5C3E35BE
P 2500 6450
F 0 "#PWR0155" H 2500 6200 50 0001 C CNN
F 1 "GND" H 2505 6277 50 0000 C CNN
F 2 "" H 2500 6450 50 0001 C CNN
F 3 "" H 2500 6450 50 0001 C CNN
1 2500 6450
1 0 0 -1
$EndComp
Wire Wire Line
2500 6300 2500 6400
Wire Wire Line
2600 6300 2600 6400
Wire Wire Line
2600 6400 2500 6400
Connection ~ 2500 6400
Wire Wire Line
2500 6400 2500 6450
Wire Wire Line
2700 6300 2700 6400
Wire Wire Line
2700 6400 2600 6400
Connection ~ 2600 6400
Text HLabel 1200 5700 0 50 BiDi ~ 0
SENS_SDA
$Comp
L Device:R_Small_US R502
U 1 1 5C3E613E
P 1400 5700
F 0 "R502" V 1513 5700 50 0000 C CNN
F 1 "n/c" V 1604 5700 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1400 5700 50 0001 C CNN
F 3 "~" H 1400 5700 50 0001 C CNN
1 1400 5700
0 1 1 0
$EndComp
Wire Wire Line
1300 5700 1200 5700
$Comp
L Device:R_Small_US R501
U 1 1 5C3E729E
P 1400 5600
F 0 "R501" V 1195 5600 50 0000 C CNN
F 1 "n/c" V 1286 5600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1400 5600 50 0001 C CNN
F 3 "~" H 1400 5600 50 0001 C CNN
1 1400 5600
0 1 1 0
$EndComp
Text HLabel 1200 5600 0 50 Input ~ 0
SENS_SCL
Wire Wire Line
1200 5600 1300 5600
Wire Wire Line
1500 5600 1650 5600
Wire Wire Line
2050 5700 1550 5700
Wire Wire Line
1650 5600 1650 4350
Wire Wire Line
1650 4350 3050 4350
Connection ~ 1650 5600
Wire Wire Line
1650 5600 2050 5600
Wire Wire Line
1550 5700 1550 4250
Wire Wire Line
1550 4250 3050 4250
Connection ~ 1550 5700
Wire Wire Line
1550 5700 1500 5700
Wire Wire Line
2050 5800 1850 5800
Wire Wire Line
1850 5800 1850 6350
Wire Wire Line
2050 5500 1750 5500
Wire Wire Line
1750 5500 1750 6350
$Comp
L Device:R_Small_US R503
U 1 1 5C3F086A
P 1750 6450
F 0 "R503" H 1817 6404 50 0000 L CNN
F 1 "0" H 1817 6495 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1750 6450 50 0001 C CNN
F 3 "~" H 1750 6450 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 1750 6450
-1 0 0 1
$EndComp
$Comp
L Device:R_Small_US R504
U 1 1 5C3F0922
P 1850 6450
F 0 "R504" H 1782 6404 50 0000 R CNN
F 1 "0" H 1782 6495 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1850 6450 50 0001 C CNN
F 3 "~" H 1850 6450 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 1850 6450
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0156
U 1 1 5C3F09E6
P 1750 6750
F 0 "#PWR0156" H 1750 6500 50 0001 C CNN
F 1 "GND" H 1755 6577 50 0000 C CNN
F 2 "" H 1750 6750 50 0001 C CNN
F 3 "" H 1750 6750 50 0001 C CNN
1 1750 6750
1 0 0 -1
$EndComp
Wire Wire Line
1750 6550 1750 6650
Wire Wire Line
1850 6550 1850 6650
Wire Wire Line
1850 6650 1750 6650
Connection ~ 1750 6650
Wire Wire Line
1750 6650 1750 6750
Wire Wire Line
2050 6100 1950 6100
Wire Wire Line
1950 6100 1950 5350
$Comp
L Device:R_Small_US R507
U 1 1 5C3F80B3
P 1950 5250
F 0 "R507" H 1882 5204 50 0000 R CNN
F 1 "0" H 1882 5295 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1950 5250 50 0001 C CNN
F 3 "~" H 1950 5250 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 1950 5250
-1 0 0 1
$EndComp
NoConn ~ 2050 5900
Text Notes 3750 5500 0 79 ~ 16
IMU I2C address 7’h68
$Comp
L awatch-parts:BMP388 U504
U 1 1 5C400090
P 8550 2900
F 0 "U504" H 9329 2621 50 0000 L CNN
F 1 "BMP388" H 9329 2530 50 0000 L CNN
F 2 "awatch2-footprints:BMP388" H 8550 2900 50 0001 C CNN
F 3 "" H 8550 2900 50 0001 C CNN
F 4 "828-1079-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8550 2900
1 0 0 -1
$EndComp
Text Notes 8100 1800 0 79 ~ 16
Baro I2C address 7’h76
$Comp
L Device:C_Small C507
U 1 1 5C4006A7
P 9900 2600
F 0 "C507" H 9992 2646 50 0000 L CNN
F 1 "0.1µF X7R" H 9992 2555 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9900 2600 50 0001 C CNN
F 3 "~" H 9900 2600 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 9900 2600
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C508
U 1 1 5C4006AE
P 10350 2600
F 0 "C508" H 10442 2646 50 0000 L CNN
F 1 "0.1µF X7R" H 10442 2555 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10350 2600 50 0001 C CNN
F 3 "~" H 10350 2600 50 0001 C CNN
F 4 "1276-1061-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 10350 2600
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0160
U 1 1 5C4006C1
P 9900 2800
F 0 "#PWR0160" H 9900 2550 50 0001 C CNN
F 1 "GND" H 9905 2627 50 0000 C CNN
F 2 "" H 9900 2800 50 0001 C CNN
F 3 "" H 9900 2800 50 0001 C CNN
1 9900 2800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0161
U 1 1 5C4006C7
P 10350 2800
F 0 "#PWR0161" H 10350 2550 50 0001 C CNN
F 1 "GND" H 10355 2627 50 0000 C CNN
F 2 "" H 10350 2800 50 0001 C CNN
F 3 "" H 10350 2800 50 0001 C CNN
1 10350 2800
1 0 0 -1
$EndComp
Wire Wire Line
10350 2700 10350 2800
Wire Wire Line
9900 2700 9900 2800
Text Notes 10450 2900 0 50 ~ 0
place near\nVDDIO/GNDIO
Text Notes 9400 2850 0 50 ~ 0
place near\nVDD/GND
NoConn ~ 8550 3450
Text HLabel 7900 3150 0 50 BiDi ~ 0
SENS_SDA
Text HLabel 7900 3050 0 50 Input ~ 0
SENS_SCL
Wire Wire Line
8550 3350 8450 3350
Wire Wire Line
8450 3350 8450 2800
$Comp
L Device:R_Small_US R519
U 1 1 5C4097B2
P 8450 2700
F 0 "R519" H 8382 2654 50 0000 R CNN
F 1 "0" H 8382 2745 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8450 2700 50 0001 C CNN
F 3 "~" H 8450 2700 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8450 2700
-1 0 0 1
$EndComp
$Comp
L Device:R_Small_US R516
U 1 1 5C40BC27
P 8100 3050
F 0 "R516" V 7895 3050 50 0000 C CNN
F 1 "0" V 7986 3050 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8100 3050 50 0001 C CNN
F 3 "~" H 8100 3050 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8100 3050
0 1 1 0
$EndComp
Wire Wire Line
8000 3050 7900 3050
Wire Wire Line
8200 3050 8550 3050
$Comp
L Device:R_Small_US R517
U 1 1 5C41059C
P 8100 3150
F 0 "R517" V 8213 3150 50 0000 C CNN
F 1 "0" V 8304 3150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8100 3150 50 0001 C CNN
F 3 "~" H 8100 3150 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8100 3150
0 1 1 0
$EndComp
Wire Wire Line
8000 3150 7900 3150
Wire Wire Line
8200 3150 8550 3150
$Comp
L Device:R_Small_US R518
U 1 1 5C41510B
P 8300 3550
F 0 "R518" H 8232 3504 50 0000 R CNN
F 1 "0" H 8232 3595 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8300 3550 50 0001 C CNN
F 3 "~" H 8300 3550 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8300 3550
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0163
U 1 1 5C41538C
P 8300 3900
F 0 "#PWR0163" H 8300 3650 50 0001 C CNN
F 1 "GND" H 8305 3727 50 0000 C CNN
F 2 "" H 8300 3900 50 0001 C CNN
F 3 "" H 8300 3900 50 0001 C CNN
1 8300 3900
1 0 0 -1
$EndComp
Wire Wire Line
8550 3250 8300 3250
Wire Wire Line
8300 3250 8300 3450
Wire Wire Line
8950 2800 8950 2700
Wire Wire Line
8950 2700 9050 2700
Wire Wire Line
9050 2700 9050 2800
$Comp
L power:+2V8 #PWR0164
U 1 1 5C41A472
P 8950 2100
F 0 "#PWR0164" H 8950 1950 50 0001 C CNN
F 1 "+2V8" H 8965 2273 50 0000 C CNN
F 2 "" H 8950 2100 50 0001 C CNN
F 3 "" H 8950 2100 50 0001 C CNN
1 8950 2100
1 0 0 -1
$EndComp
Connection ~ 8950 2700
Wire Wire Line
8950 3800 9050 3800
Wire Wire Line
9050 3800 9050 3650
Wire Wire Line
8950 3650 8950 3800
$Comp
L power:GND #PWR0165
U 1 1 5C41CF46
P 8950 3900
F 0 "#PWR0165" H 8950 3650 50 0001 C CNN
F 1 "GND" H 8955 3727 50 0000 C CNN
F 2 "" H 8950 3900 50 0001 C CNN
F 3 "" H 8950 3900 50 0001 C CNN
1 8950 3900
1 0 0 -1
$EndComp
Wire Wire Line
8950 3800 8950 3900
Connection ~ 8950 3800
Wire Wire Line
8300 3650 8300 3900
$Comp
L Device:C_Small C504
U 1 1 5C42E7AA
P 4450 1650
F 0 "C504" H 4542 1696 50 0000 L CNN
F 1 "1.0µF X7R" H 4542 1605 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4450 1650 50 0001 C CNN
F 3 "~" H 4450 1650 50 0001 C CNN
F 4 "1276-1946-1-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 4450 1650
1 0 0 -1
$EndComp
$Comp
L power:+2V8 #PWR0166
U 1 1 5C42E99B
P 4450 1400
F 0 "#PWR0166" H 4450 1250 50 0001 C CNN
F 1 "+2V8" H 4465 1573 50 0000 C CNN
F 2 "" H 4450 1400 50 0001 C CNN
F 3 "" H 4450 1400 50 0001 C CNN
1 4450 1400
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0167
U 1 1 5C42E9E4
P 4450 1900
F 0 "#PWR0167" H 4450 1650 50 0001 C CNN
F 1 "GND" H 4455 1727 50 0000 C CNN
F 2 "" H 4450 1900 50 0001 C CNN
F 3 "" H 4450 1900 50 0001 C CNN
1 4450 1900
1 0 0 -1
$EndComp
Wire Wire Line
4450 1900 4450 1750
Wire Wire Line
4450 1400 4450 1550
$Comp
L power:+2V8 #PWR0168
U 1 1 5C43763E
P 5000 1400
F 0 "#PWR0168" H 5000 1250 50 0001 C CNN
F 1 "+2V8" H 5015 1573 50 0000 C CNN
F 2 "" H 5000 1400 50 0001 C CNN
F 3 "" H 5000 1400 50 0001 C CNN
1 5000 1400
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0169
U 1 1 5C437687
P 5000 1900
F 0 "#PWR0169" H 5000 1650 50 0001 C CNN
F 1 "GND" H 5005 1727 50 0000 C CNN
F 2 "" H 5000 1900 50 0001 C CNN
F 3 "" H 5000 1900 50 0001 C CNN
1 5000 1900
1 0 0 -1
$EndComp
Text GLabel 5100 1500 2 50 Input ~ 0
+2V8
Wire Wire Line
5100 1500 5000 1500
Wire Wire Line
5000 1500 5000 1400
Text GLabel 5100 1800 2 50 Input ~ 0
GND
Wire Wire Line
5100 1800 5000 1800
Wire Wire Line
5000 1800 5000 1900
Text Notes 8000 1450 0 79 Italic 0
NOTE:\ncould save a few uW by putting sensor\nVDD on different rail from VDDIO\n(sensors can tolerate 1.8V)
$Comp
L Device:R_Small_US R521
U 1 1 5C7E3973
P 2850 1250
F 0 "R521" H 2917 1204 50 0000 L CNN
F 1 "0" H 2917 1295 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2850 1250 50 0001 C CNN
F 3 "~" H 2850 1250 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 2850 1250
-1 0 0 1
$EndComp
Wire Wire Line
2850 1100 2850 1150
Wire Wire Line
2850 1350 2850 1500
$Comp
L Device:R_Small_US R522
U 1 1 5C7EA6AC
P 4300 3150
F 0 "R522" H 4367 3104 50 0000 L CNN
F 1 "0" H 4367 3195 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4300 3150 50 0001 C CNN
F 3 "~" H 4300 3150 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 4300 3150
-1 0 0 1
$EndComp
Wire Wire Line
4300 3000 4300 3050
$Comp
L Device:R_Small_US R520
U 1 1 5C7F7E5A
P 2600 4950
F 0 "R520" H 2667 4904 50 0000 L CNN
F 1 "0" H 2667 4995 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2600 4950 50 0001 C CNN
F 3 "~" H 2600 4950 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 2600 4950
-1 0 0 1
$EndComp
Wire Wire Line
2600 4750 2600 4850
Wire Wire Line
2600 5050 2600 5100
Wire Wire Line
2600 5150 3550 5150
Wire Wire Line
3550 5150 3550 5700
Connection ~ 2600 5150
Wire Wire Line
2600 5150 2600 5200
Wire Wire Line
3550 5700 4000 5700
Wire Wire Line
4000 5700 4000 6050
Connection ~ 3550 5700
Wire Wire Line
3550 5700 3550 6050
Wire Wire Line
4300 3250 4300 3400
Connection ~ 4300 3800
Wire Wire Line
4300 3400 4700 3400
Wire Wire Line
4700 3400 4700 2800
Wire Wire Line
4700 2800 5500 2800
Wire Wire Line
5950 2800 5950 3150
Connection ~ 4300 3400
Wire Wire Line
4300 3400 4300 3550
Wire Wire Line
5500 2800 5500 3150
Connection ~ 5500 2800
Wire Wire Line
5500 2800 5950 2800
Wire Wire Line
3600 3550 3600 3800
Wire Wire Line
3600 3550 4300 3550
Connection ~ 4300 3550
Wire Wire Line
4300 3550 4300 3650
Wire Wire Line
4300 3650 5000 3650
Wire Wire Line
5000 3650 5000 3850
Connection ~ 4300 3650
Wire Wire Line
4300 3650 4300 3800
Wire Wire Line
2600 5100 1950 5100
Connection ~ 2600 5100
Wire Wire Line
2600 5100 2600 5150
Wire Wire Line
1950 5100 1950 5150
$Comp
L Device:R_Small_US R523
U 1 1 5C82FC02
P 8950 2300
F 0 "R523" H 8882 2254 50 0000 R CNN
F 1 "0" H 8882 2345 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 2300 50 0001 C CNN
F 3 "~" H 8950 2300 50 0001 C CNN
F 4 "MCT0603-0.0-ZZCT-ND" H 0 0 50 0001 C CNN "DigiKey PN"
1 8950 2300
-1 0 0 1
$EndComp
Wire Wire Line
8950 2400 8450 2400
Wire Wire Line
8450 2400 8450 2600
Wire Wire Line
8950 2100 8950 2200
Wire Wire Line
8950 2400 8950 2450
Connection ~ 8950 2400
Wire Wire Line
8950 2450 9900 2450
Connection ~ 8950 2450
Wire Wire Line
8950 2450 8950 2700