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path: root/hw/battery.sch
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EESchema Schematic File Version 2
LIBS:neo900
LIBS:powered
LIBS:bme280
LIBS:bmx055
LIBS:slg46531
LIBS:tmd2671
LIBS:gencon
LIBS:msl0104rgb
LIBS:nmosfet-gsd
LIBS:74x1g123
LIBS:74x1g74_6d
LIBS:74x2g07_6
LIBS:74x1g32_6
LIBS:fsa2866
LIBS:74x1g04_6
LIBS:101-00271-82
LIBS:lsf204rut
LIBS:txs4555rut
LIBS:ada4505-1acbz
LIBS:opt-mini-rf-tap
LIBS:tlv3691idpf
LIBS:tps61160drv
LIBS:dualbjt
LIBS:wl1837mod
LIBS:phs8-clean
LIBS:tsa5a22366
LIBS:xra1201
LIBS:pmosfet-gsd
LIBS:bb-xm-aux
LIBS:bb-xm-audio
LIBS:dualnmosfet
LIBS:xo-quad-en
LIBS:74x4051
LIBS:fuse
LIBS:two-way-jumper
LIBS:nx3v1g66_6
LIBS:dualpmosfet
LIBS:diode-3
LIBS:sp7538p
LIBS:r-array-8-2com
LIBS:slg46533v
EELAYER 26 0
EELAYER END
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F 1 "GND" H 8310 7650 70  0001 L BNN
F 2 "" H 8400 7750 60  0001 C CNN
F 3 "" H 8400 7750 60  0001 C CNN
	1    8400 7750
	1    0    0    -1
$EndComp
$Comp
L BQ27X00DRK U302
U 1 1 578B4084
P 7500 4800
F 0 "U302" H 7650 4500 70  0000 L BNN
F 1 "BQ27200DRK" H 7200 5650 70  0000 L BNN
F 2 "neo900-legacy:S-PVSON-N10-4X3" H 7490 4590 65  0001 L TNN
F 3 "" H 7500 4800 60  0001 C CNN
	1    7500 4800
	-1   0    0    1
$EndComp
$Comp
L BQ27421G1YZF U303
U 1 1 578B414C
P 7500 7200
F 0 "U303" H 7650 6600 70  0000 L BNN
F 1 "BQ27421YZFR-G1A (4V2)" H 7450 7750 70  0000 C BNN
F 2 "neo900-legacy:S-XBGA-N9-0.5" H 7490 6990 65  0001 L TNN
F 3 "" H 7500 7200 60  0001 C CNN
	1    7500 7200
	-1   0    0    1
$EndComp
Text GLabel 7350 2200 0    60   BiDi ~ 0
HDQ
Text GLabel 10700 2200 0    60   Output ~ 0
BATTEMP_CHARGER
Text GLabel 2900 3400 0    60   BiDi ~ 0
BATT
Text GLabel 9700 7000 2    60   Input ~ 0
I2C2_SCL
Text GLabel 9700 7400 2    60   BiDi ~ 0
I2C2_SDA
Text GLabel 8700 3000 0    60   BiDi ~ 0
BATTID
Text GLabel 9700 6300 2    60   Output ~ 0
BQ_GPIO
Text GLabel 9700 4900 2    60   BiDi ~ 0
I2C3_SCL
Text GLabel 9700 5300 2    60   BiDi ~ 0
I2C3_SDA
Text Label 5850 3200 0    60   ~ 0
BGND
$Comp
L GND #U$039
U 1 1 57907684
P 7700 4450
F 0 "#U$039" H 7610 4350 70  0001 L BNN
F 1 "GND" H 7610 4350 70  0001 L BNN
F 2 "" H 7700 4450 60  0001 C CNN
F 3 "" H 7700 4450 60  0001 C CNN
	1    7700 4450
	1    0    0    -1
$EndComp
$Comp
L POWERED #FLG040
U 1 1 57908456
P 6600 5600
F 0 "#FLG040" H 6800 5500 60  0001 C CNN
F 1 "POWERED" H 6600 5650 60  0000 C CNN
F 2 "" H 6600 5600 60  0001 C CNN
F 3 "" H 6600 5600 60  0001 C CNN
	1    6600 5600
	1    0    0    -1
$EndComp
$Comp
L POWERED #FLG041
U 1 1 5790A564
P 5050 2950
F 0 "#FLG041" H 5250 2850 60  0001 C CNN
F 1 "POWERED" H 5050 3000 60  0000 C CNN
F 2 "" H 5050 2950 60  0001 C CNN
F 3 "" H 5050 2950 60  0001 C CNN
	1    5050 2950
	1    0    0    -1
$EndComp
$Comp
L GND #M042
U 1 1 5794DFFF
P 8700 8900
F 0 "#M042" H 8700 8900 45  0001 C CNN
F 1 "GND" H 8700 8900 45  0001 C CNN
F 2 "" H 8700 8900 60  0001 C CNN
F 3 "" H 8700 8900 60  0001 C CNN
	1    8700 8900
	1    0    0    -1
$EndComp
$Comp
L R0402 R306
U 1 1 5794E70F
P 5400 3400
F 0 "R306" H 5270 3460 50  0000 L BNN
F 1 "0" H 5400 3400 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5430 3550 20  0001 C CNN
F 3 "" H 5400 3400 60  0001 C CNN
F 4 "MF-RES-0402-0" H 10 10 60 0001 C CNN "MPN"
	1    5400 3400
	1    0    0    -1
$EndComp
Text Notes 5300 3550 0    60   ~ 0
DNP
$Comp
L POWERED #FLG043
U 1 1 5794EF24
P 6850 2900
F 0 "#FLG043" H 7050 2800 60  0001 C CNN
F 1 "POWERED" H 6850 2950 60  0000 C CNN
F 2 "" H 6850 2900 60  0001 C CNN
F 3 "" H 6850 2900 60  0001 C CNN
	1    6850 2900
	1    0    0    -1
$EndComp
$Comp
L C0603 C307
U 1 1 5794F687
P 6700 7150
F 0 "C307" H 6740 7190 50  0000 L CNN
F 1 "10uF" H 6750 7000 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 6730 7300 20  0001 C CNN
F 3 "" H 6700 7150 60  0001 C CNN
F 4 "MF-CAP-0603-10uF" H 10 10 60 0001 C CNN "MPN"
	1    6700 7150
	1    0    0    -1
$EndComp
Text GLabel 5700 8800 0    60   BiDi ~ 0
BQ_GPOUT
$Comp
L R0402 R308
U 1 1 57D8FE5D
P 6800 8500
F 0 "R308" V 6900 8600 50  0000 L CNN
F 1 "100k" H 6800 8500 50  0000 C CNN
F 2 "NeoFeet:C_0402" H 6830 8650 20  0001 C CNN
F 3 "" H 6800 8500 60  0001 C CNN
	1    6800 8500
	0    1    -1   0
$EndComp
$Comp
L C0603 C308
U 1 1 57DE0EFF
P 8700 8450
F 0 "C308" H 8740 8490 50  0000 L CNN
F 1 "10uF" H 8750 8300 50  0000 L CNN
F 2 "NeoFeet:C_0603" H 8730 8600 20  0001 C CNN
F 3 "" H 8700 8450 60  0001 C CNN
F 4 "MF-CAP-0603-10uF" H 10 10 60 0001 C CNN "MPN"
	1    8700 8450
	1    0    0    -1
$EndComp
$Comp
L C0603 C306
U 1 1 57DE15E7
P 6000 8800
F 0 "C306" V 6150 8600 50  0000 L CNN
F 1 "1nF" V 6050 8550 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 6030 8950 20  0001 C CNN
F 3 "" H 6000 8800 60  0001 C CNN
F 4 "MF-CAP-0402-1nF" H 10 10 60 0001 C CNN "MPN"
	1    6000 8800
	0    -1   -1   0
$EndComp
Text Label 7500 8200 0    60   ~ 0
BQ.VDD
Text Notes 4900 9100 0    60   ~ 0
Note: BQ.GPOUT needs pull-up at GPIO.
Text Notes 9150 6850 0    60   ~ 0
BQ27421 may use clock stretching
Wire Wire Line
	3750 3400 3750 3500
Wire Wire Line
	8700 3400 8700 3800
Wire Wire Line
	6200 6800 6900 6800
Wire Wire Line
	6200 3400 6200 6800
Wire Wire Line
	3400 7000 6900 7000
Wire Wire Line
	3400 7000 3400 3400
Wire Wire Line
	9500 3400 9500 3700
Connection ~ 5800 3400
Connection ~ 8700 3400
Connection ~ 6200 3400
Connection ~ 3400 3400
Connection ~ 9500 3400
Wire Wire Line
	10700 2200 11500 2200
Wire Wire Line
	11500 2200 11500 3000
Wire Wire Line
	8200 2200 8000 2200
Wire Wire Line
	8700 3000 9100 3000
Wire Wire Line
	4500 4900 4600 4900
Wire Wire Line
	4500 4750 4500 4900
Wire Wire Line
	6900 5300 6300 5300
Wire Wire Line
	6400 7400 6900 7400
Wire Wire Line
	6300 6300 9700 6300
Wire Wire Line
	11500 3400 11500 3600
Wire Wire Line
	3750 3800 3750 3900
Wire Wire Line
	4500 5100 4600 5100
Wire Wire Line
	4500 5100 4500 5250
Wire Wire Line
	10000 4200 10000 4100
Wire Wire Line
	9500 4100 9500 4200
Wire Wire Line
	5800 5700 5800 5600
Wire Wire Line
	5200 5600 5200 5700
Wire Wire Line
	5200 5700 5800 5700
Wire Wire Line
	5500 5600 5500 5900
Connection ~ 5500 5700
Wire Wire Line
	8100 7600 8400 7600
Wire Wire Line
	9150 4700 9150 5700
Connection ~ 9150 5100
Wire Wire Line
	8500 5700 8500 5500
Wire Wire Line
	8500 5500 8100 5500
Wire Wire Line
	7350 2200 7600 2200
Wire Wire Line
	8100 4900 9700 4900
Wire Wire Line
	8100 5300 9700 5300
Wire Wire Line
	8100 7000 9700 7000
Wire Wire Line
	8100 7400 9700 7400
Wire Wire Line
	5000 4900 6900 4900
Wire Wire Line
	5500 4900 5500 5300
Connection ~ 5500 4900
Wire Wire Line
	5800 4700 6900 4700
Wire Wire Line
	5800 4200 5800 5300
Connection ~ 5800 4700
Wire Wire Line
	5000 5100 6900 5100
Wire Wire Line
	5200 5300 5200 5100
Connection ~ 5200 5100
Wire Wire Line
	6900 5500 6900 6000
Wire Wire Line
	8100 4700 8800 4700
Wire Wire Line
	8700 4200 8700 4700
Connection ~ 8700 4700
Wire Wire Line
	8100 5100 8800 5100
Wire Wire Line
	5800 3400 5800 3800
Wire Wire Line
	8400 7600 8400 7650
Wire Wire Line
	4300 5200 4300 5300
Wire Wire Line
	4500 5250 4300 5250
Connection ~ 4300 5250
Wire Wire Line
	4500 4750 4300 4750
Connection ~ 6900 5900
Wire Wire Line
	6600 5800 6600 5900
Wire Wire Line
	6600 5900 6900 5900
Wire Wire Line
	2900 3400 5200 3400
Connection ~ 10250 3200
Wire Wire Line
	9500 3000 10600 3000
Connection ~ 10250 3000
Wire Wire Line
	8100 7200 9100 7200
Wire Wire Line
	5600 3400 10600 3400
Connection ~ 3750 3400
Wire Wire Line
	6700 7050 6700 6800
Connection ~ 6700 6800
Wire Wire Line
	6700 7350 6700 7700
Connection ~ 6700 7600
Wire Wire Line
	6300 5300 6300 6300
Wire Wire Line
	6700 7600 6900 7600
Wire Wire Line
	6400 8800 6400 7400
Wire Wire Line
	5700 8800 5900 8800
Wire Wire Line
	6200 8800 6800 8800
Wire Wire Line
	8700 6800 8700 8350
Wire Wire Line
	8700 6800 8100 6800
Wire Wire Line
	6800 8300 6800 8200
Wire Wire Line
	6800 8200 8700 8200
Connection ~ 8700 8200
Wire Wire Line
	6800 8800 6800 8700
Connection ~ 6400 8800
Wire Wire Line
	8700 8650 8700 8800
Wire Wire Line
	10250 3400 10250 3300
Wire Wire Line
	10250 2900 10250 3000
Wire Wire Line
	10250 3200 10250 3100
Wire Wire Line
	4300 3200 4300 4800
Text GLabel 8200 2200 2    60   BiDi ~ 0
BATTID_U
$Comp
L R0603 R313
U 1 1 580858E9
P 11900 3200
F 0 "R313" H 11770 3260 50  0000 L BNN
F 1 "NTCG163JF103F" H 11900 3100 50  0000 C CNN
F 2 "NeoFeet:C_0603" H 11930 3350 20  0001 C CNN
F 3 "" H 11900 3200 60  0001 C CNN
	1    11900 3200
	0    -1   -1   0
$EndComp
$Comp
L GND #U$044
U 1 1 58085954
P 11900 3700
F 0 "#U$044" H 11810 3600 70  0001 L BNN
F 1 "GND" H 11810 3600 70  0001 L BNN
F 2 "" H 11900 3700 60  0001 C CNN
F 3 "" H 11900 3700 60  0001 C CNN
	1    11900 3700
	1    0    0    -1
$EndComp
Wire Wire Line
	11900 3400 11900 3600
Text GLabel 10700 2050 0    60   Output ~ 0
BATTEMP_COMPANION
Wire Wire Line
	11900 3000 11900 2050
Wire Wire Line
	11900 2050 10700 2050
$Comp
L 74X1G04_6 U301
U 1 1 58086617
P 5550 1700
F 0 "U301" H 5300 1900 60  0000 C CNN
F 1 "SN74AUP1G04DSF" H 5650 1550 60  0000 L CNN
F 2 "smd-dil:SMD-DIL-6-0.35" H 5400 1875 60  0001 C CNN
F 3 "" H 5400 1875 60  0001 C CNN
	1    5550 1700
	1    0    0    -1
$EndComp
$Comp
L C-MK325 C?
U 1 1 5808661E
P 5100 1900
AR Path="/578AFF20/5808661E" Ref="C?"  Part="1"
AR Path="/578AFEF8/5808661E" Ref="C302"  Part="1"
F 0 "C302" H 5160 1914 50  0000 L BNN
F 1 "100nF" H 5159 1715 50  0000 L BNN
F 2 "NeoFeet:C_0402" H 5090 1690 65  0001 L TNN
F 3 "" H 5100 1900 60  0001 C CNN
F 4 "MF-CAP-0402-100nF" H 10 10 60 0001 C CNN "MPN"
	1    5100 1900
	1    0    0    -1
$EndComp
Text GLabel 5000 1350 0    60   Input ~ 0
1V8
Text Notes 5650 2100 0    60   ~ 0
Diodes 74AUP1G04FW4\nNXP 74AUP1G04GF
Wire Wire Line
	5850 1700 6400 1700
Wire Wire Line
	4650 1700 5250 1700
Wire Wire Line
	5000 1350 5550 1350
Wire Wire Line
	5550 1350 5550 1450
Wire Wire Line
	5100 1800 5100 1350
Connection ~ 5100 1350
Wire Wire Line
	5100 2200 5100 2100
Wire Wire Line
	5550 2200 5550 1950
$Comp
L R0402 R302
U 1 1 580869E0
P 4450 1700
F 0 "R302" H 4320 1760 50  0000 L BNN
F 1 "1M" H 4450 1700 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 4480 1850 20  0001 C CNN
F 3 "" H 4450 1700 60  0001 C CNN
F 4 "MF-RES-0402-100k" H 10 10 60 0001 C CNN "MPN"
	1    4450 1700
	1    0    0    -1
$EndComp
$Comp
L GND #U$045
U 1 1 58086B09
P 5100 2300
F 0 "#U$045" H 5010 2200 70  0001 L BNN
F 1 "GND" H 5010 2200 70  0001 L BNN
F 2 "" H 5100 2300 60  0001 C CNN
F 3 "" H 5100 2300 60  0001 C CNN
	1    5100 2300
	1    0    0    -1
$EndComp
$Comp
L GND #U$046
U 1 1 58086B68
P 5550 2300
F 0 "#U$046" H 5460 2200 70  0001 L BNN
F 1 "GND" H 5460 2200 70  0001 L BNN
F 2 "" H 5550 2300 60  0001 C CNN
F 3 "" H 5550 2300 60  0001 C CNN
	1    5550 2300
	1    0    0    -1
$EndComp
Wire Wire Line
	4150 3400 4150 1700
Wire Wire Line
	4150 1700 4250 1700
Connection ~ 4150 3400
Text GLabel 6400 1700 2    60   Output ~ 0
nBATTERY_PRESENT
$Comp
L R0402 R303
U 1 1 5808752F
P 4800 1950
F 0 "R303" H 4670 2010 50  0000 L BNN
F 1 "1M" H 4800 1950 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 4830 2100 20  0001 C CNN
F 3 "" H 4800 1950 60  0001 C CNN
F 4 "MF-RES-0402-1M" H 10 10 60 0001 C CNN "MPN"
	1    4800 1950
	0    -1   -1   0
$EndComp
$Comp
L GND #U$047
U 1 1 58087861
P 4800 2300
F 0 "#U$047" H 4710 2200 70  0001 L BNN
F 1 "GND" H 4710 2200 70  0001 L BNN
F 2 "" H 4800 2300 60  0001 C CNN
F 3 "" H 4800 2300 60  0001 C CNN
	1    4800 2300
	1    0    0    -1
$EndComp
Wire Wire Line
	4800 1750 4800 1700
Connection ~ 4800 1700
Wire Wire Line
	4800 2150 4800 2200
Wire Wire Line
	6850 3100 6850 3400
Connection ~ 6850 3400
Connection ~ 10000 3000
Connection ~ 10250 3400
Wire Wire Line
	4300 3200 10600 3200
Wire Wire Line
	10000 3700 10000 3000
Connection ~ 4300 4750
Wire Wire Line
	5050 3150 5050 3400
Connection ~ 5050 3400
$Comp
L POWERED #FLG048
U 1 1 5809DB74
P 8200 4350
F 0 "#FLG048" H 8400 4250 60  0001 C CNN
F 1 "POWERED" H 8200 4400 60  0000 C CNN
F 2 "" H 8200 4350 60  0001 C CNN
F 3 "" H 8200 4350 60  0001 C CNN
	1    8200 4350
	1    0    0    -1
$EndComp
Wire Wire Line
	8200 4550 8200 4700
Connection ~ 8200 4700
$Comp
L POWERED #FLG049
U 1 1 5809EE68
P 7500 2900
F 0 "#FLG049" H 7700 2800 60  0001 C CNN
F 1 "POWERED" H 7500 2950 60  0000 C CNN
F 2 "" H 7500 2900 60  0001 C CNN
F 3 "" H 7500 2900 60  0001 C CNN
	1    7500 2900
	1    0    0    -1
$EndComp
Wire Wire Line
	7500 3100 7500 3200
Connection ~ 7500 3200
Text Notes 10800 5200 0    120  ~ 0
Legacy fuel gauge
Text Notes 10800 7500 0    120  ~ 0
Advanced fuel gauge
Wire Wire Line
	7500 4400 7500 4300
Wire Wire Line
	7500 4300 7700 4300
Wire Wire Line
	7700 4300 7700 4350
Wire Wire Line
	9100 4700 9150 4700
Wire Wire Line
	9100 5100 9150 5100
$Comp
L SHIELDPAD-3.5X2.5 G?
U 1 1 5812076F
P 13300 2900
AR Path="/578AFF0C/5812076F" Ref="G?"  Part="1"
AR Path="/578AFEF8/5812076F" Ref="G301"  Part="1"
F 0 "G301" H 13430 2949 50  0000 L BNN
F 1 "SHIELDPAD-3.5X2.5" H 13290 2790 65  0001 L TNN
F 2 "neo900-legacy:PAD-3.5X2.5" H 13290 2690 65  0001 L TNN
F 3 "" H 13300 2900 60  0001 C CNN
	1    13300 2900
	1    0    0    -1
$EndComp
$Comp
L SHIELDPAD-3.5X2.5 G?
U 1 1 58120776
P 13300 3200
AR Path="/578AFF0C/58120776" Ref="G?"  Part="1"
AR Path="/578AFEF8/58120776" Ref="G302"  Part="1"
F 0 "G302" H 13430 3249 50  0000 L BNN
F 1 "SHIELDPAD-3.5X2.5" H 13290 3090 65  0001 L TNN
F 2 "neo900-legacy:PAD-3.5X2.5" H 13290 2990 65  0001 L TNN
F 3 "" H 13300 3200 60  0001 C CNN
	1    13300 3200
	1    0    0    -1
$EndComp
$Comp
L SHIELDPAD-3.5X2.5 G?
U 1 1 5812077D
P 13300 3500
AR Path="/578AFF0C/5812077D" Ref="G?"  Part="1"
AR Path="/578AFEF8/5812077D" Ref="G303"  Part="1"
F 0 "G303" H 13430 3549 50  0000 L BNN
F 1 "SHIELDPAD-3.5X2.5" H 13290 3390 65  0001 L TNN
F 2 "neo900-legacy:PAD-3.5X2.5" H 13290 3290 65  0001 L TNN
F 3 "" H 13300 3500 60  0001 C CNN
	1    13300 3500
	1    0    0    -1
$EndComp
$Comp
L GND #U$050
U 1 1 58120784
P 12900 3300
F 0 "#U$050" H 12810 3200 70  0001 L BNN
F 1 "GND" H 12810 3200 70  0001 L BNN
F 2 "" H 12900 3300 60  0001 C CNN
F 3 "" H 12900 3300 60  0001 C CNN
	1    12900 3300
	1    0    0    -1
$EndComp
Wire Wire Line
	13200 2900 13200 3500
Wire Wire Line
	13200 3200 12900 3200
Connection ~ 13200 3200
Text Notes 10750 1650 0    120  ~ 0
Battery and cage contacts
$Comp
L R0402 R314
U 1 1 583E3823
P 9100 7700
F 0 "R314" H 8970 7760 50  0000 L BNN
F 1 "10k" H 9100 7700 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 9130 7850 20  0001 C CNN
F 3 "" H 9100 7700 60  0001 C CNN
F 4 "MF-RES-0402-10k" H 10 10 60 0001 C CNN "MPN"
	1    9100 7700
	0    -1   -1   0
$EndComp
$Comp
L GND #M051
U 1 1 583E3B58
P 9100 8100
F 0 "#M051" H 9100 8100 45  0001 C CNN
F 1 "GND" H 9100 8100 45  0001 C CNN
F 2 "" H 9100 8100 60  0001 C CNN
F 3 "" H 9100 8100 60  0001 C CNN
	1    9100 8100
	1    0    0    -1
$EndComp
Wire Wire Line
	9100 7900 9100 8000
Wire Wire Line
	9100 7200 9100 7500
$EndSCHEMATC