EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr User 11980 8268
encoding utf-8
Sheet 2 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	1860 5210 1860 4810
Wire Wire Line
	1860 5210 1660 5210
Connection ~ 1660 5210
Wire Wire Line
	3760 4410 3960 4410
Connection ~ 3760 4410
Wire Wire Line
	1060 4410 1060 4610
Wire Wire Line
	1060 4410 1060 4310
Connection ~ 1060 4610
Connection ~ 1060 4410
Wire Wire Line
	4460 5110 4460 4910
Wire Wire Line
	3360 4710 3360 4810
Wire Wire Line
	3360 4810 3560 4810
Wire Wire Line
	7030 3650 7330 3650
Wire Wire Line
	7330 3650 7330 4150
Wire Wire Line
	7430 4150 7330 4150
Wire Wire Line
	8830 4650 9430 4650
$Comp
L Device:L L1
U 1 1 AF0E73B6
P 1760 4410
F 0 "L1" V 1890 4410 42  0000 C CNN
F 1 "6.8uH" V 1820 4410 42  0000 C CNN
F 2 "Inductor_SMD:L_Taiyo-Yuden_NR-30xx" H 1760 4410 50  0001 C CNN
F 3 "" H 1760 4410 50  0001 C CNN
	1    1760 4410
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C17
U 1 1 D1512118
P 1060 4910
F 0 "C17" H 840 4950 50  0000 C CNN
F 1 "10uF" H 860 4870 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1060 4910 50  0001 C CNN
F 3 "" H 1060 4910 50  0001 C CNN
F 4 "C15850" H 1060 4910 50  0001 C CNN "LCSC"
	1    1060 4910
	1    0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 0A65ADC6
P 2160 3110
F 0 "R7" H 2010 3060 50  0000 C CNN
F 1 "200K" H 2010 3140 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2160 3110 50  0001 C CNN
F 3 "" H 2160 3110 50  0001 C CNN
F 4 "C17539" H 2160 3110 50  0001 C CNN "LCSC"
	1    2160 3110
	-1   0    0    1   
$EndComp
$Comp
L Device:CP1_Small C21
U 1 1 DAF5255C
P 3960 4510
F 0 "C21" H 4080 4530 59  0000 L BNN
F 1 "100uF" H 4080 4430 59  0000 L BNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 3960 4510 50  0001 C CNN
F 3 "" H 3960 4510 50  0001 C CNN
	1    3960 4510
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R18
U 1 1 AF4BF0A2
P 7030 3850
F 0 "R18" H 7190 3780 50  0000 C CNN
F 1 "100K" H 7180 3850 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7030 3850 50  0001 C CNN
F 3 "" H 7030 3850 50  0001 C CNN
F 4 "C17539" H 7030 3850 50  0001 C CNN "LCSC"
	1    7030 3850
	-1   0    0    1   
$EndComp
$Comp
L Device:C C23
U 1 1 493D4CA5
P 9430 4800
F 0 "C23" H 9200 4860 50  0000 C CNN
F 1 "10uF" H 9220 4780 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9430 4800 50  0001 C CNN
F 3 "" H 9430 4800 50  0001 C CNN
F 4 "C15850" H 9430 4800 50  0001 C CNN "LCSC"
	1    9430 4800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US THERM1
U 1 1 83B78B28
P 7430 5450
F 0 "THERM1" H 7210 5480 50  0000 C CNN
F 1 "15K" H 7130 5400 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7430 5450 50  0001 C CNN
F 3 "" H 7430 5450 50  0001 C CNN
F 4 "C17475" H 7430 5450 50  0001 C CNN "LCSC"
	1    7430 5450
	1    0    0    -1  
$EndComp
Text Notes 1060 5510 0    59   ~ 0
See Pg 15\n1st para
Text Notes 1460 4210 0    59   ~ 0
6.8uH power\nw/2A current
Text Notes 2880 3540 0    59   ~ 0
R3 = 1.9Mohm for 5.2V\nR3 = 1.1Mohm for 3.3V
Text Notes 7960 6290 0    59   ~ 0
No Thermistor:
Text Notes 7640 6440 0    59   ~ 0
10K NTC Thermistor:
Text Notes 8840 6290 0    59   ~ 0
RT1 = 0, RT2 = 10K
Text Notes 8840 6440 0    59   ~ 0
RT1 = TBD, RT2 = TBD
$Comp
L Device:R_US R17
U 1 1 38927649
P 7030 3450
F 0 "R17" H 6840 3530 50  0000 C CNN
F 1 "270K" H 6850 3460 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7030 3450 50  0001 C CNN
F 3 "" H 7030 3450 50  0001 C CNN
F 4 "C17589" H 7030 3450 50  0001 C CNN "LCSC"
	1    7030 3450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5FAAD265
P 7430 5850
F 0 "#PWR0132" H 7430 5600 50  0001 C CNN
F 1 "GND" H 7435 5677 50  0000 C CNN
F 2 "" H 7430 5850 50  0001 C CNN
F 3 "" H 7430 5850 50  0001 C CNN
	1    7430 5850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0133
U 1 1 5FAB3842
P 6400 5100
F 0 "#PWR0133" H 6400 4850 50  0001 C CNN
F 1 "GND" H 6405 4927 50  0000 C CNN
F 2 "" H 6400 5100 50  0001 C CNN
F 3 "" H 6400 5100 50  0001 C CNN
	1    6400 5100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 5FAC46EE
P 1660 6010
F 0 "#PWR0134" H 1660 5760 50  0001 C CNN
F 1 "GND" H 1665 5837 50  0000 C CNN
F 2 "" H 1660 6010 50  0001 C CNN
F 3 "" H 1660 6010 50  0001 C CNN
	1    1660 6010
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0135
U 1 1 5FAC4910
P 2060 6010
F 0 "#PWR0135" H 2060 5760 50  0001 C CNN
F 1 "GND" H 2065 5837 50  0000 C CNN
F 2 "" H 2060 6010 50  0001 C CNN
F 3 "" H 2060 6010 50  0001 C CNN
	1    2060 6010
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 5FAC9823
P 3560 6010
F 0 "#PWR0136" H 3560 5760 50  0001 C CNN
F 1 "GND" H 3565 5837 50  0000 C CNN
F 2 "" H 3560 6010 50  0001 C CNN
F 3 "" H 3560 6010 50  0001 C CNN
	1    3560 6010
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0137
U 1 1 5FAEB744
P 3760 4910
F 0 "#PWR0137" H 3760 4660 50  0001 C CNN
F 1 "GND" H 3765 4737 50  0000 C CNN
F 2 "" H 3760 4910 50  0001 C CNN
F 3 "" H 3760 4910 50  0001 C CNN
	1    3760 4910
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0138
U 1 1 5FAEBC05
P 3960 4910
F 0 "#PWR0138" H 3960 4660 50  0001 C CNN
F 1 "GND" H 3965 4737 50  0000 C CNN
F 2 "" H 3960 4910 50  0001 C CNN
F 3 "" H 3960 4910 50  0001 C CNN
	1    3960 4910
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0139
U 1 1 5FAF94F9
P 1060 5110
F 0 "#PWR0139" H 1060 4860 50  0001 C CNN
F 1 "GND" H 1065 4937 50  0000 C CNN
F 2 "" H 1060 5110 50  0001 C CNN
F 3 "" H 1060 5110 50  0001 C CNN
	1    1060 5110
	1    0    0    -1  
$EndComp
Wire Wire Line
	10130 5350 10130 5250
Wire Wire Line
	8830 4450 8830 4650
$Comp
L power:+BATT #PWR0140
U 1 1 5FC54A69
P 8830 4150
F 0 "#PWR0140" H 8830 4000 50  0001 C CNN
F 1 "+BATT" H 8845 4323 50  0000 C CNN
F 2 "" H 8830 4150 50  0001 C CNN
F 3 "" H 8830 4150 50  0001 C CNN
	1    8830 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7430 4350 6680 4350
Wire Wire Line
	6680 4350 6680 4250
Wire Wire Line
	6680 4650 6680 4350
Connection ~ 6680 4350
Wire Wire Line
	6680 5150 6680 4650
Connection ~ 6680 4650
Wire Wire Line
	6680 5350 6680 5150
Connection ~ 6680 5150
Wire Wire Line
	7430 5150 6680 5150
Wire Wire Line
	7430 4750 7330 4750
$Comp
L power:GND #PWR0141
U 1 1 5FCB1412
P 8130 5650
F 0 "#PWR0141" H 8130 5400 50  0001 C CNN
F 1 "GND" H 8135 5477 50  0000 C CNN
F 2 "" H 8130 5650 50  0001 C CNN
F 3 "" H 8130 5650 50  0001 C CNN
	1    8130 5650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0142
U 1 1 5FAADB1E
P 9930 4950
F 0 "#PWR0142" H 9930 4700 50  0001 C CNN
F 1 "GND" H 9935 4777 50  0000 C CNN
F 2 "" H 9930 4950 50  0001 C CNN
F 3 "" H 9930 4950 50  0001 C CNN
	1    9930 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:Battery_Cell BT3
U 1 1 C25A42D2
P 9930 4850
F 0 "BT3" H 10080 5000 42  0000 L BNN
F 1 "18650" H 10080 4900 42  0000 L BNN
F 2 "Battery:BatteryHolder_Keystone_1042_1x18650" H 9930 4850 50  0001 C CNN
F 3 "" H 9930 4850 50  0001 C CNN
	1    9930 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	10530 5350 10530 5150
$Comp
L Device:R_US R21
U 1 1 4A1079C4
P 10530 5500
F 0 "R21" H 10400 5460 50  0000 C CNN
F 1 "1K" H 10430 5550 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 10530 5500 50  0001 C CNN
F 3 "" H 10530 5500 50  0001 C CNN
F 4 "C17513" H 10530 5500 50  0001 C CNN "LCSC"
	1    10530 5500
	-1   0    0    1   
$EndComp
Text Notes 6390 6590 0    59   ~ 0
2.0K = 500mA
Text Notes 6390 6490 0    59   ~ 0
1.0K = 1000mA
Text Notes 5940 6340 0    59   ~ 0
Charge Rate = 1000V/PROG1
$Comp
L Device:R_US R20
U 1 1 5FD66CBD
P 10130 5500
F 0 "R20" H 10198 5546 50  0000 L CNN
F 1 "1K" H 10198 5455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 10170 5490 50  0001 C CNN
F 3 "~" H 10130 5500 50  0001 C CNN
F 4 "C17513" H 10130 5500 50  0001 C CNN "LCSC"
	1    10130 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	10530 5650 10530 5950
Wire Wire Line
	8830 5150 10530 5150
Wire Wire Line
	7030 3650 7030 3700
Wire Wire Line
	7030 3600 7030 3650
Connection ~ 7030 3650
Wire Wire Line
	7030 3300 7030 3250
Wire Wire Line
	7030 4000 7030 4050
$Comp
L power:GND #PWR0143
U 1 1 5FDABA6A
P 7030 4050
F 0 "#PWR0143" H 7030 3800 50  0001 C CNN
F 1 "GND" H 7035 3877 50  0000 C CNN
F 2 "" H 7030 4050 50  0001 C CNN
F 3 "" H 7030 4050 50  0001 C CNN
	1    7030 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6680 4650 7430 4650
Wire Wire Line
	6400 4900 6400 5100
$Comp
L Device:R_US R19
U 1 1 18336C03
P 7330 4900
F 0 "R19" H 7190 4950 50  0000 C CNN
F 1 "100K" H 7200 4860 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 7330 4900 50  0001 C CNN
F 3 "" H 7330 4900 50  0001 C CNN
F 4 "C17539" H 7330 4900 50  0001 C CNN "LCSC"
	1    7330 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6680 5350 7430 5350
$Comp
L power:GND #PWR0144
U 1 1 5FDC691A
P 7330 5050
F 0 "#PWR0144" H 7330 4800 50  0001 C CNN
F 1 "GND" H 7335 4877 50  0000 C CNN
F 2 "" H 7330 5050 50  0001 C CNN
F 3 "" H 7330 5050 50  0001 C CNN
	1    7330 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7430 5600 7430 5850
Wire Wire Line
	1060 4610 1060 4760
Wire Wire Line
	1660 4960 1660 5210
Wire Wire Line
	1660 4660 1660 4610
Wire Wire Line
	1660 5210 1660 5560
Wire Wire Line
	1660 5860 1660 6010
Wire Wire Line
	1060 4410 1610 4410
Wire Wire Line
	3560 4460 3560 4410
Connection ~ 3560 4410
Wire Wire Line
	3560 4410 3760 4410
Wire Wire Line
	3560 4760 3560 4810
Wire Wire Line
	3560 4860 3560 4810
Connection ~ 3560 4810
Wire Wire Line
	3760 4410 3760 4560
Wire Wire Line
	3760 4860 3760 4910
$Comp
L Device:Q_PNP_BCE T1
U 1 1 AE1B311C
P 4560 5310
F 0 "T1" H 4310 5210 59  0000 L BNN
F 1 "MMUN2133LT1G" H 3730 5370 59  0000 L BNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 4560 5310 50  0001 C CNN
F 3 "" H 4560 5310 50  0001 C CNN
F 4 "C86182" H 4560 5310 50  0001 C CNN "LCSC"
	1    4560 5310
	-1   0    0    1   
$EndComp
Wire Wire Line
	2160 2910 2160 2960
Wire Wire Line
	2160 3260 2160 4710
$Comp
L power:+BATT #PWR0145
U 1 1 5FE61DC6
P 2160 2910
F 0 "#PWR0145" H 2160 2760 50  0001 C CNN
F 1 "+BATT" H 2175 3083 50  0000 C CNN
F 2 "" H 2160 2910 50  0001 C CNN
F 3 "" H 2160 2910 50  0001 C CNN
	1    2160 2910
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0146
U 1 1 5FE62BEE
P 1060 4310
F 0 "#PWR0146" H 1060 4160 50  0001 C CNN
F 1 "+BATT" H 1075 4483 50  0000 C CNN
F 2 "" H 1060 4310 50  0001 C CNN
F 3 "" H 1060 4310 50  0001 C CNN
	1    1060 4310
	1    0    0    -1  
$EndComp
$Comp
L power:VBUS #PWR0147
U 1 1 5FE730F0
P 7030 3250
F 0 "#PWR0147" H 7030 3100 50  0001 C CNN
F 1 "VBUS" H 7045 3423 50  0000 C CNN
F 2 "" H 7030 3250 50  0001 C CNN
F 3 "" H 7030 3250 50  0001 C CNN
	1    7030 3250
	1    0    0    -1  
$EndComp
$Comp
L power:VBUS #PWR0148
U 1 1 5FE75566
P 6680 4250
F 0 "#PWR0148" H 6680 4100 50  0001 C CNN
F 1 "VBUS" H 6695 4423 50  0000 C CNN
F 2 "" H 6680 4250 50  0001 C CNN
F 3 "" H 6680 4250 50  0001 C CNN
	1    6680 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2460 4310 2460 4410
Wire Wire Line
	1910 4410 2460 4410
Wire Wire Line
	2160 4710 2460 4710
Wire Wire Line
	1860 4810 2460 4810
Wire Wire Line
	2060 5010 2460 5010
Wire Wire Line
	3260 4310 3260 4410
Connection ~ 3260 4410
Wire Wire Line
	3260 4410 3260 4510
Wire Wire Line
	3260 4410 3560 4410
Wire Wire Line
	3360 4710 3260 4710
Wire Wire Line
	1060 5060 1060 5110
Wire Wire Line
	10130 6250 10130 6450
$Comp
L power:VBUS #PWR0150
U 1 1 5FE8032A
P 10130 6450
F 0 "#PWR0150" H 10130 6300 50  0001 C CNN
F 1 "VBUS" H 10145 6623 50  0000 C CNN
F 2 "" H 10130 6450 50  0001 C CNN
F 3 "" H 10130 6450 50  0001 C CNN
	1    10130 6450
	-1   0    0    1   
$EndComp
Wire Wire Line
	10130 5650 10130 5950
$Comp
L Device:LED LED5
U 1 1 F6409505
P 10130 6100
F 0 "LED5" V 10100 5960 42  0000 C CNN
F 1 "GREEN" V 10170 5930 42  0001 C CNN
F 2 "LED_SMD:LED_0805_2012Metric" H 10130 6100 50  0001 C CNN
F 3 "" H 10130 6100 50  0001 C CNN
F 4 "DONE" V 10160 5940 50  0000 C CNN "Label"
F 5 "C2297" V 10130 6100 50  0001 C CNN "LCSC"
	1    10130 6100
	0    1    1    0   
$EndComp
$Comp
L power:VBUS #PWR0151
U 1 1 5FE834D1
P 10530 6450
F 0 "#PWR0151" H 10530 6300 50  0001 C CNN
F 1 "VBUS" H 10545 6623 50  0000 C CNN
F 2 "" H 10530 6450 50  0001 C CNN
F 3 "" H 10530 6450 50  0001 C CNN
	1    10530 6450
	-1   0    0    1   
$EndComp
Wire Wire Line
	10530 6450 10530 6250
$Comp
L Device:LED LED6
U 1 1 C2B5F13D
P 10530 6100
F 0 "LED6" V 10490 6240 42  0000 C CNN
F 1 "ORANGE" V 10560 6300 42  0001 C CNN
F 2 "LED_SMD:LED_0805_2012Metric" H 10530 6100 50  0001 C CNN
F 3 "" H 10530 6100 50  0001 C CNN
F 4 "CHARGE" V 10560 6300 50  0000 C CNN "Label"
F 5 "C84256" V 10530 6100 50  0001 C CNN "LCSC"
	1    10530 6100
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0152
U 1 1 5FACA2B4
P 4460 5910
F 0 "#PWR0152" H 4460 5660 50  0001 C CNN
F 1 "GND" H 4465 5737 50  0000 C CNN
F 2 "" H 4460 5910 50  0001 C CNN
F 3 "" H 4460 5910 50  0001 C CNN
	1    4460 5910
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_SPST SW1
U 1 1 5F7BFA74
P 2160 5510
F 0 "SW1" V 2114 5608 50  0000 L CNN
F 1 "SW_SPST" V 2205 5608 50  0000 L CNN
F 2 "Button_Switch_SMD:SW_DIP_SPSTx01_Slide_9.78x4.72mm_W8.61mm_P2.54mm" H 2160 5510 50  0001 C CNN
F 3 "~" H 2160 5510 50  0001 C CNN
	1    2160 5510
	0    1    1    0   
$EndComp
Wire Wire Line
	2160 5310 2160 4710
Connection ~ 2160 4710
Wire Wire Line
	2160 5710 2060 5710
Connection ~ 2060 5710
Wire Wire Line
	2060 5710 2060 6010
Connection ~ 8830 4650
Connection ~ 1660 4610
Wire Wire Line
	1660 4610 2460 4610
$Comp
L power:VBUS #PWR0153
U 1 1 5F874282
P 8130 3500
F 0 "#PWR0153" H 8130 3350 50  0001 C CNN
F 1 "VBUS" H 8145 3673 50  0000 C CNN
F 2 "" H 8130 3500 50  0001 C CNN
F 3 "" H 8130 3500 50  0001 C CNN
	1    8130 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8130 3500 8130 3850
Connection ~ 3960 4410
Wire Wire Line
	3960 4410 4460 4410
Wire Wire Line
	4460 5860 4460 5910
Wire Wire Line
	4460 5560 4460 5510
Wire Wire Line
	8830 5250 10130 5250
Connection ~ 9430 4650
$Comp
L power:GND #PWR0154
U 1 1 5F7D1F75
P 9430 4950
F 0 "#PWR0154" H 9430 4700 50  0001 C CNN
F 1 "GND" H 9435 4777 50  0000 C CNN
F 2 "" H 9430 4950 50  0001 C CNN
F 3 "" H 9430 4950 50  0001 C CNN
	1    9430 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9430 4650 9930 4650
Wire Wire Line
	3560 5160 3560 5410
Connection ~ 3560 5410
Wire Wire Line
	3560 5410 3560 6010
Wire Wire Line
	2060 5010 2060 5710
Connection ~ 2960 5410
Wire Wire Line
	2860 5410 2960 5410
Wire Wire Line
	2760 5410 2860 5410
Connection ~ 2860 5410
Connection ~ 2460 4410
Wire Wire Line
	3060 5410 3560 5410
Wire Wire Line
	2960 5410 3060 5410
Connection ~ 3060 5410
$Comp
L Regulator_Switching:TPS61090 U4
U 1 1 53ED4284
P 2860 4810
F 0 "U4" H 2800 5570 56  0000 L BNN
F 1 "TPS61090RSAR" H 2540 5450 56  0000 L BNN
F 2 "Package_DFN_QFN:Texas_S-PVQFN-N16_EP2.7x2.7mm" H 2860 4810 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/tps61090.pdf" H 2860 4810 50  0001 C CNN
F 4 " C206167" H 2860 4810 50  0001 C CNN "LCSC"
	1    2860 4810
	1    0    0    -1  
$EndComp
Wire Wire Line
	2660 5410 2760 5410
Connection ~ 2760 5410
Wire Wire Line
	3260 5310 4760 5310
Wire Wire Line
	3960 4610 3960 4910
Wire Wire Line
	6400 4550 6400 4600
Wire Wire Line
	6400 4550 7430 4550
$Comp
L Device:R_US R16
U 1 1 D0D0350C
P 6400 4750
F 0 "R16" H 6250 4850 50  0000 C CNN
F 1 "1.0K" H 6250 4770 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 6400 4750 50  0001 C CNN
F 3 "" H 6400 4750 50  0001 C CNN
F 4 "C17513" H 6400 4750 50  0001 C CNN "LCSC"
	1    6400 4750
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0155
U 1 1 5F7C040D
P 4460 4910
F 0 "#PWR0155" H 4460 4760 50  0001 C CNN
F 1 "+BATT" H 4475 5083 50  0000 C CNN
F 2 "" H 4460 4910 50  0001 C CNN
F 3 "" H 4460 4910 50  0001 C CNN
	1    4460 4910
	1    0    0    -1  
$EndComp
$Comp
L power:+3V8 #PWR0156
U 1 1 5F8203F0
P 9930 4650
F 0 "#PWR0156" H 9930 4500 50  0001 C CNN
F 1 "+3V8" H 9945 4823 50  0000 C CNN
F 2 "" H 9930 4650 50  0001 C CNN
F 3 "" H 9930 4650 50  0001 C CNN
	1    9930 4650
	1    0    0    -1  
$EndComp
Connection ~ 9930 4650
$Comp
L Device:D D2
U 1 1 5F8D9EB4
P 4460 4260
F 0 "D2" V 4414 4340 50  0000 L CNN
F 1 "D" V 4505 4340 50  0000 L CNN
F 2 "Diode_SMD:D_SMA" H 4460 4260 50  0001 C CNN
F 3 "~" H 4460 4260 50  0001 C CNN
F 4 "C14996" V 4460 4260 50  0001 C CNN "LCSC"
	1    4460 4260
	0    1    1    0   
$EndComp
$Comp
L power:+5V #PWR0159
U 1 1 5F8DA406
P 4460 4110
F 0 "#PWR0159" H 4460 3960 50  0001 C CNN
F 1 "+5V" H 4475 4283 50  0000 C CNN
F 2 "" H 4460 4110 50  0001 C CNN
F 3 "" H 4460 4110 50  0001 C CNN
	1    4460 4110
	1    0    0    -1  
$EndComp
Connection ~ 1360 4610
Wire Wire Line
	1360 4610 1660 4610
Wire Wire Line
	1360 4610 1060 4610
Wire Wire Line
	1360 5060 1360 5110
$Comp
L power:GND #PWR0160
U 1 1 5FDE2E7F
P 1360 5110
F 0 "#PWR0160" H 1360 4860 50  0001 C CNN
F 1 "GND" H 1365 4937 50  0000 C CNN
F 2 "" H 1360 5110 50  0001 C CNN
F 3 "" H 1360 5110 50  0001 C CNN
	1    1360 5110
	1    0    0    -1  
$EndComp
Wire Wire Line
	1360 4610 1360 4760
$Comp
L Device:R R6
U 1 1 4D35DD08
P 1660 5710
F 0 "R6" H 1480 5790 50  0000 C CNN
F 1 "340K" H 1510 5710 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 1660 5710 50  0001 C CNN
F 3 "" H 1660 5710 50  0001 C CNN
F 4 "C17636" H 1660 5710 50  0001 C CNN "LCSC"
	1    1660 5710
	1    0    0    -1  
$EndComp
$Comp
L Device:R R16
U 1 1 AE2EF260
P 4460 5710
AR Path="/AE2EF260" Ref="R16"  Part="1" 
AR Path="/5F77CBF2/AE2EF260" Ref="R16"  Part="1" 
AR Path="/608AF7DB/AE2EF260" Ref="R11"  Part="1" 
F 0 "R11" H 4600 5790 50  0000 C CNN
F 1 "1K" H 4570 5710 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 4460 5710 50  0001 C CNN
F 3 "" H 4460 5710 50  0001 C CNN
F 4 "C17513" H 4460 5710 50  0001 C CNN "LCSC"
	1    4460 5710
	1    0    0    -1  
$EndComp
$Comp
L Device:R R10
U 1 1 4C5ADBC4
P 3560 5010
F 0 "R10" H 3400 5060 50  0000 C CNN
F 1 "200K" H 3410 4990 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 3560 5010 50  0001 C CNN
F 3 "" H 3560 5010 50  0001 C CNN
F 4 "C17539" H 3560 5010 50  0001 C CNN "LCSC"
	1    3560 5010
	1    0    0    -1  
$EndComp
$Comp
L Device:C C19
U 1 1 2A8A4C6F
P 3760 4710
F 0 "C19" H 3930 4770 50  0000 C CNN
F 1 "2.2uF" H 3970 4700 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3760 4710 50  0001 C CNN
F 3 "" H 3760 4710 50  0001 C CNN
F 4 "C49217" H 3760 4710 50  0001 C CNN "LCSC"
	1    3760 4710
	1    0    0    -1  
$EndComp
$Comp
L Device:C C18
U 1 1 F80B1965
P 1360 4910
F 0 "C18" H 1540 4970 50  0000 C CNN
F 1 "0.1uF" H 1570 4900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1360 4910 50  0001 C CNN
F 3 "" H 1360 4910 50  0001 C CNN
F 4 "C49678" H 1360 4910 50  0001 C CNN "LCSC"
	1    1360 4910
	1    0    0    -1  
$EndComp
$Comp
L Device:R R9
U 1 1 62D10041
P 3560 4610
F 0 "R9" H 3400 4680 50  0000 C CNN
F 1 "1.87M" H 3420 4600 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 3560 4610 50  0001 C CNN
F 3 "" H 3560 4610 50  0001 C CNN
F 4 "C61679" H 3560 4610 50  0001 C CNN "LCSC"
	1    3560 4610
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 FD69F51F
P 1660 4810
F 0 "R5" H 1770 4850 50  0000 C CNN
F 1 "1.87M" H 1810 4780 40  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 1660 4810 50  0001 C CNN
F 3 "" H 1660 4810 50  0001 C CNN
F 4 "C61679" H 1660 4810 50  0001 C CNN "LCSC"
	1    1660 4810
	1    0    0    -1  
$EndComp
$Comp
L Battery_Management:MCP73871-2CC U6
U 1 1 5FB95EEF
P 8130 4750
F 0 "U6" H 8130 5831 50  0000 C CNN
F 1 "MCP73871-2CC" H 8130 5740 50  0000 C CNN
F 2 "mcp73871-2cci:QFN50P400X400X100-21N" H 8330 3850 50  0001 L CIN
F 3 "https://www.microchip.com/wwwproducts/en/en536670" H 7980 5300 50  0001 C CNN
F 4 " C144351" H 8130 4750 50  0001 C CNN "LCSC"
	1    8130 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7430 5150 7430 5300
Connection ~ 7430 5150
Wire Wire Line
	3260 4810 3260 5310
NoConn ~ 8830 4950
NoConn ~ 7430 4950
Wire Wire Line
	7360 1260 7300 1260
Wire Wire Line
	7360 1300 7360 1260
$Comp
L Device:C C?
U 1 1 5F90BAFF
P 3510 1570
AR Path="/5F4EE45E/5F90BAFF" Ref="C?"  Part="1" 
AR Path="/5F77CBF2/5F90BAFF" Ref="C22"  Part="1" 
AR Path="/608AF7DB/5F90BAFF" Ref="C22"  Part="1" 
F 0 "C22" H 3625 1616 50  0000 L CNN
F 1 "100uF" H 3625 1525 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3548 1420 50  0001 C CNN
F 3 "~" H 3510 1570 50  0001 C CNN
F 4 "C15850" H 3510 1570 50  0001 C CNN "LCSC"
	1    3510 1570
	1    0    0    -1  
$EndComp
Connection ~ 2910 1300
Wire Wire Line
	2910 1300 2910 1420
Wire Wire Line
	3210 1600 3210 1720
Connection ~ 3510 1300
Wire Wire Line
	3510 1420 3510 1300
Connection ~ 3210 1720
Wire Wire Line
	3510 1720 3210 1720
Wire Wire Line
	2910 1720 3210 1720
$Comp
L Device:C C?
U 1 1 5F90BAEC
P 2910 1570
AR Path="/5F90BAEC" Ref="C?"  Part="1" 
AR Path="/5F4EE45E/5F90BAEC" Ref="C?"  Part="1" 
AR Path="/5F77CBF2/5F90BAEC" Ref="C21"  Part="1" 
AR Path="/608AF7DB/5F90BAEC" Ref="C20"  Part="1" 
F 0 "C20" H 2795 1524 50  0000 R CNN
F 1 "10uF" H 2795 1615 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2948 1420 50  0001 C CNN
F 3 "~" H 2910 1570 50  0001 C CNN
F 4 "C19702" H 2910 1570 50  0001 C CNN "LCSC"
	1    2910 1570
	1    0    0    -1  
$EndComp
$Comp
L Regulator_Linear:TLV1117-33 U?
U 1 1 5F90BAE3
P 3210 1300
AR Path="/5F90BAE3" Ref="U?"  Part="1" 
AR Path="/5F4EE45E/5F90BAE3" Ref="U?"  Part="1" 
AR Path="/5F77CBF2/5F90BAE3" Ref="U7"  Part="1" 
AR Path="/608AF7DB/5F90BAE3" Ref="U5"  Part="1" 
F 0 "U5" H 3210 1667 50  0000 C CNN
F 1 "LM1117-3.3" H 3210 1576 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223" H 2960 1650 50  0001 L CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/22053C.pdf" H 3210 1200 50  0001 C CNN
F 4 "C37359" H 3210 1300 50  0001 C CNN "LCSC"
	1    3210 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6280 1410 6280 1370
Connection ~ 6280 1410
Wire Wire Line
	6400 1410 6280 1410
Text HLabel 6400 1410 2    50   Output ~ 0
BAT_SENSE
Wire Wire Line
	6280 1760 6280 1920
Wire Wire Line
	6280 960  6280 1070
Wire Wire Line
	6280 1460 6280 1410
$Comp
L power:GND #PWR0158
U 1 1 5F844F2C
P 6280 1920
F 0 "#PWR0158" H 6280 1670 50  0001 C CNN
F 1 "GND" H 6285 1747 50  0000 C CNN
F 2 "" H 6280 1920 50  0001 C CNN
F 3 "" H 6280 1920 50  0001 C CNN
	1    6280 1920
	1    0    0    -1  
$EndComp
$Comp
L Device:R R15
U 1 1 5F8445E3
P 6280 1610
F 0 "R15" H 6350 1656 50  0000 L CNN
F 1 "100K" H 6350 1565 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6210 1610 50  0001 C CNN
F 3 "~" H 6280 1610 50  0001 C CNN
F 4 "C17539" H 6280 1610 50  0001 C CNN "LCSC"
	1    6280 1610
	1    0    0    -1  
$EndComp
$Comp
L Device:R R14
U 1 1 5F8439C8
P 6280 1220
F 0 "R14" H 6350 1266 50  0000 L CNN
F 1 "100K" H 6350 1175 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6210 1220 50  0001 C CNN
F 3 "~" H 6280 1220 50  0001 C CNN
F 4 "C17539" H 6280 1220 50  0001 C CNN "LCSC"
	1    6280 1220
	1    0    0    -1  
$EndComp
$Comp
L power:+3V8 #PWR0157
U 1 1 5F838487
P 6280 960
F 0 "#PWR0157" H 6280 810 50  0001 C CNN
F 1 "+3V8" H 6295 1133 50  0000 C CNN
F 2 "" H 6280 960 50  0001 C CNN
F 3 "" H 6280 960 50  0001 C CNN
	1    6280 960 
	1    0    0    -1  
$EndComp
Text HLabel 7300 1260 0    50   Input ~ 0
VBAT_CC
$Comp
L power:+5V #PWR0149
U 1 1 5FF8703A
P 2910 1300
F 0 "#PWR0149" H 2910 1150 50  0001 C CNN
F 1 "+5V" H 2925 1473 50  0000 C CNN
F 2 "" H 2910 1300 50  0001 C CNN
F 3 "" H 2910 1300 50  0001 C CNN
	1    2910 1300
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5F90BB0D
P 3510 1300
AR Path="/5F4EE45E/5F90BB0D" Ref="#PWR?"  Part="1" 
AR Path="/5F77CBF2/5F90BB0D" Ref="#PWR0165"  Part="1" 
AR Path="/608AF7DB/5F90BB0D" Ref="#PWR0131"  Part="1" 
F 0 "#PWR0131" H 3510 1150 50  0001 C CNN
F 1 "+3.3V" H 3525 1473 50  0000 C CNN
F 2 "" H 3510 1300 50  0001 C CNN
F 3 "" H 3510 1300 50  0001 C CNN
	1    3510 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F90BAF8
P 3210 1720
AR Path="/5F90BAF8" Ref="#PWR?"  Part="1" 
AR Path="/5F4EE45E/5F90BAF8" Ref="#PWR?"  Part="1" 
AR Path="/5F77CBF2/5F90BAF8" Ref="#PWR0163"  Part="1" 
AR Path="/608AF7DB/5F90BAF8" Ref="#PWR0130"  Part="1" 
F 0 "#PWR0130" H 3210 1470 50  0001 C CNN
F 1 "GND" H 3215 1547 50  0000 C CNN
F 2 "" H 3210 1720 50  0001 C CNN
F 3 "" H 3210 1720 50  0001 C CNN
	1    3210 1720
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F83E51A
P 4730 1510
AR Path="/5F4EE45E/5F83E51A" Ref="R?"  Part="1" 
AR Path="/5F77CBF2/5F83E51A" Ref="R24"  Part="1" 
AR Path="/608AF7DB/5F83E51A" Ref="R12"  Part="1" 
F 0 "R12" H 4798 1556 50  0000 L CNN
F 1 "4.7K" H 4798 1465 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4770 1500 50  0001 C CNN
F 3 "~" H 4730 1510 50  0001 C CNN
F 4 "C17673" H 4730 1510 50  0001 C CNN "LCSC"
	1    4730 1510
	1    0    0    -1  
$EndComp
Text GLabel 5720 1670 0    50   Input ~ 0
MPY_I2C1_SCL
Text GLabel 4730 1660 0    50   Input ~ 0
MPY_I2C1_SDA
$Comp
L power:+3.3V #PWR?
U 1 1 5F83E512
P 5720 1370
AR Path="/5F4EE45E/5F83E512" Ref="#PWR?"  Part="1" 
AR Path="/5F77CBF2/5F83E512" Ref="#PWR0144"  Part="1" 
AR Path="/608AF7DB/5F83E512" Ref="#PWR0129"  Part="1" 
F 0 "#PWR0129" H 5720 1220 50  0001 C CNN
F 1 "+3.3V" H 5735 1543 50  0000 C CNN
F 2 "" H 5720 1370 50  0001 C CNN
F 3 "" H 5720 1370 50  0001 C CNN
	1    5720 1370
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5F83E50C
P 4730 1360
AR Path="/5F4EE45E/5F83E50C" Ref="#PWR?"  Part="1" 
AR Path="/5F77CBF2/5F83E50C" Ref="#PWR0143"  Part="1" 
AR Path="/608AF7DB/5F83E50C" Ref="#PWR0128"  Part="1" 
F 0 "#PWR0128" H 4730 1210 50  0001 C CNN
F 1 "+3.3V" H 4745 1533 50  0000 C CNN
F 2 "" H 4730 1360 50  0001 C CNN
F 3 "" H 4730 1360 50  0001 C CNN
	1    4730 1360
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F83E506
P 5720 1520
AR Path="/5F4EE45E/5F83E506" Ref="R?"  Part="1" 
AR Path="/5F77CBF2/5F83E506" Ref="R25"  Part="1" 
AR Path="/608AF7DB/5F83E506" Ref="R13"  Part="1" 
F 0 "R13" H 5788 1566 50  0000 L CNN
F 1 "4.7K" H 5788 1475 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5760 1510 50  0001 C CNN
F 3 "~" H 5720 1520 50  0001 C CNN
F 4 "C17673" H 5720 1520 50  0001 C CNN "LCSC"
	1    5720 1520
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F7EB839
P 7360 1600
AR Path="/5F4EE45E/5F7EB839" Ref="#PWR?"  Part="1" 
AR Path="/5F77CBF2/5F7EB839" Ref="#PWR0124"  Part="1" 
AR Path="/608AF7DB/5F7EB839" Ref="#PWR0127"  Part="1" 
F 0 "#PWR0127" H 7360 1350 50  0001 C CNN
F 1 "GND" H 7365 1427 50  0000 C CNN
F 2 "" H 7360 1600 50  0001 C CNN
F 3 "" H 7360 1600 50  0001 C CNN
	1    7360 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:Battery_Cell BT?
U 1 1 5F7EB82D
P 7360 1500
AR Path="/5F4EE45E/5F7EB82D" Ref="BT?"  Part="1" 
AR Path="/5F77CBF2/5F7EB82D" Ref="BT2"  Part="1" 
AR Path="/608AF7DB/5F7EB82D" Ref="BT1"  Part="1" 
F 0 "BT1" H 7478 1596 50  0000 L CNN
F 1 "Coin cell" H 7478 1505 50  0000 L CNN
F 2 "Battery:BatteryHolder_Keystone_3000_1x12mm" V 7360 1560 50  0001 C CNN
F 3 "~" V 7360 1560 50  0001 C CNN
	1    7360 1500
	1    0    0    -1  
$EndComp
$Comp
L Connector:TestPoint TP2
U 1 1 60AF9004
P 4710 2570
F 0 "TP2" H 4652 2596 50  0000 R CNN
F 1 "TestPoint" H 4652 2687 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 4910 2570 50  0001 C CNN
F 3 "~" H 4910 2570 50  0001 C CNN
	1    4710 2570
	-1   0    0    1   
$EndComp
$Comp
L power:VBUS #PWR02
U 1 1 60B094DF
P 4710 2500
F 0 "#PWR02" H 4710 2350 50  0001 C CNN
F 1 "VBUS" H 4725 2673 50  0000 C CNN
F 2 "" H 4710 2500 50  0001 C CNN
F 3 "" H 4710 2500 50  0001 C CNN
	1    4710 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4710 2500 4710 2570
$Comp
L Connector:TestPoint TP3
U 1 1 60B0D3F3
P 5210 2570
F 0 "TP3" H 5152 2596 50  0000 R CNN
F 1 "TestPoint" H 5152 2687 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 5410 2570 50  0001 C CNN
F 3 "~" H 5410 2570 50  0001 C CNN
	1    5210 2570
	-1   0    0    1   
$EndComp
$Comp
L power:+3V8 #PWR03
U 1 1 60B0EB67
P 5210 2510
F 0 "#PWR03" H 5210 2360 50  0001 C CNN
F 1 "+3V8" H 5225 2683 50  0000 C CNN
F 2 "" H 5210 2510 50  0001 C CNN
F 3 "" H 5210 2510 50  0001 C CNN
	1    5210 2510
	1    0    0    -1  
$EndComp
Wire Wire Line
	5210 2510 5210 2570
$Comp
L Connector:TestPoint TP4
U 1 1 60B12BF3
P 5690 2570
F 0 "TP4" H 5632 2596 50  0000 R CNN
F 1 "TestPoint" H 5632 2687 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 5890 2570 50  0001 C CNN
F 3 "~" H 5890 2570 50  0001 C CNN
	1    5690 2570
	-1   0    0    1   
$EndComp
$Comp
L power:+3.3V #PWR04
U 1 1 60B134B4
P 5690 2510
F 0 "#PWR04" H 5690 2360 50  0001 C CNN
F 1 "+3.3V" H 5705 2683 50  0000 C CNN
F 2 "" H 5690 2510 50  0001 C CNN
F 3 "" H 5690 2510 50  0001 C CNN
	1    5690 2510
	1    0    0    -1  
$EndComp
Wire Wire Line
	5690 2510 5690 2570
$Comp
L Connector:TestPoint TP5
U 1 1 60B18ABA
P 6180 2560
F 0 "TP5" H 6122 2586 50  0000 R CNN
F 1 "TestPoint" H 6122 2677 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 6380 2560 50  0001 C CNN
F 3 "~" H 6380 2560 50  0001 C CNN
	1    6180 2560
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR05
U 1 1 60B1978D
P 6180 2510
F 0 "#PWR05" H 6180 2360 50  0001 C CNN
F 1 "+5V" H 6195 2683 50  0000 C CNN
F 2 "" H 6180 2510 50  0001 C CNN
F 3 "" H 6180 2510 50  0001 C CNN
	1    6180 2510
	1    0    0    -1  
$EndComp
Wire Wire Line
	6180 2510 6180 2560
$Comp
L Connector:TestPoint TP1
U 1 1 60B243A3
P 4270 2570
F 0 "TP1" H 4328 2688 50  0000 L CNN
F 1 "TestPoint" H 4328 2597 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 4470 2570 50  0001 C CNN
F 3 "~" H 4470 2570 50  0001 C CNN
	1    4270 2570
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 60B259D7
P 4270 2630
F 0 "#PWR01" H 4270 2380 50  0001 C CNN
F 1 "GND" H 4275 2457 50  0000 C CNN
F 2 "" H 4270 2630 50  0001 C CNN
F 3 "" H 4270 2630 50  0001 C CNN
	1    4270 2630
	1    0    0    -1  
$EndComp
Wire Wire Line
	4270 2570 4270 2630
$Comp
L Connector:TestPoint TP6
U 1 1 60B476AF
P 6640 2560
F 0 "TP6" H 6582 2586 50  0000 R CNN
F 1 "TestPoint" H 6582 2677 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 6840 2560 50  0001 C CNN
F 3 "~" H 6840 2560 50  0001 C CNN
	1    6640 2560
	-1   0    0    1   
$EndComp
Text HLabel 6700 2400 2    50   Input ~ 0
VBAT_CC
Wire Wire Line
	6700 2400 6640 2400
Wire Wire Line
	6640 2400 6640 2560
$Comp
L Connector:TestPoint TP7
U 1 1 60B4FB92
P 7150 2560
F 0 "TP7" H 7092 2586 50  0000 R CNN
F 1 "TestPoint" H 7092 2677 50  0000 R CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 7350 2560 50  0001 C CNN
F 3 "~" H 7350 2560 50  0001 C CNN
	1    7150 2560
	-1   0    0    1   
$EndComp
Text HLabel 7210 2400 2    50   Output ~ 0
BAT_SENSE
Wire Wire Line
	7210 2400 7150 2400
Wire Wire Line
	7150 2400 7150 2560
$EndSCHEMATC