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Battery Monitor.bak
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EESchema Schematic File Version 4
LIBS:bldc-BMS-cache
EELAYER 29 0
EELAYER END
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Sheet 3 5
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F 4 "RES SMD 33 OHM 5% 3/4W 2010 " H 1850 6150 50 0001 C CNN "Description"
F 5 "P33WCT-ND" H 1850 6150 50 0001 C CNN "Digikey PN"
1 1850 6150
0 1 1 0
$EndComp
Text Label 950 6650 0 60 ~ 0
C1
$Comp
L bldc-BMS-rescue:R_Small R37
U 1 1 5B1F640A
P 2950 6650
F 0 "R37" V 3050 6600 50 0000 L CNN
F 1 "1k 1%" V 2850 6650 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2950 6650 50 0001 C CNN
F 3 "" H 2950 6650 50 0001 C CNN
1 2950 6650
0 1 1 0
$EndComp
$Comp
L bldc-BMS-rescue:R_Small R49
U 1 1 5B1F64E4
P 3300 7100
F 0 "R49" V 3200 7050 50 0000 L CNN
F 1 "10k" V 3400 7100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3300 7100 50 0001 C CNN
F 3 "" H 3300 7100 50 0001 C CNN
1 3300 7100
-1 0 0 1
$EndComp
$Comp
L bldc-BMS-rescue:D_Schottky_Small_ALT D16
U 1 1 5B1F65BB
P 2700 7100
F 0 "D16" H 2650 7180 50 0000 L CNN
F 1 "5.6V" H 2650 7000 50 0000 L CNN
F 2 "Diode_SMD:D_SOD-323" V 2700 7100 50 0001 C CNN
F 3 "" V 2700 7100 50 0001 C CNN
F 4 "Zener Diode 5.6V 400mW ±2% Surface Mount SOD-323" H 0 0 50 0001 C CNN "Description"
F 5 "MM3Z5V6BCT-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 2700 7100
0 1 1 0
$EndComp
$Comp
L bldc-BMS-rescue:C_Small C18
U 1 1 5B1F6BC5
P 3550 6300
F 0 "C18" H 3560 6370 50 0000 L CNN
F 1 "1uF 10V" H 3560 6220 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3550 6300 50 0001 C CNN
F 3 "" H 3550 6300 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 3550 6300 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 3550 6300 50 0001 C CNN "Digikey PN"
1 3550 6300
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:R_Small R26
U 1 1 5B1F6FF3
P 1850 6800
F 0 "R26" V 1950 6750 50 0000 L CNN
F 1 "33R" V 1750 6800 50 0000 C CNN
F 2 "Resistor_SMD:R_2010_5025Metric" H 1850 6800 50 0001 C CNN
F 3 "" H 1850 6800 50 0001 C CNN
F 4 "RES SMD 33 OHM 5% 3/4W 2010 " H 1850 6800 50 0001 C CNN "Description"
F 5 "P33WCT-ND" H 1850 6800 50 0001 C CNN "Digikey PN"
1 1850 6800
0 1 1 0
$EndComp
Text Label 950 7250 0 60 ~ 0
C0
$Comp
L bldc-BMS-rescue:R_Small R38
U 1 1 5B1F747B
P 2950 7250
F 0 "R38" V 3050 7200 50 0000 L CNN
F 1 "1k 1%" V 2850 7250 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2950 7250 50 0001 C CNN
F 3 "" H 2950 7250 50 0001 C CNN
1 2950 7250
0 1 1 0
$EndComp
$Comp
L bldc-BMS-rescue:C_Small C19
U 1 1 5B1F766E
P 3550 6950
F 0 "C19" H 3560 7020 50 0000 L CNN
F 1 "1uF 10V" H 3560 6870 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3550 6950 50 0001 C CNN
F 3 "" H 3550 6950 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 3550 6950 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 3550 6950 50 0001 C CNN "Digikey PN"
1 3550 6950
1 0 0 -1
$EndComp
Wire Wire Line
1700 750 2800 750
Wire Wire Line
3000 750 3550 750
Wire Wire Line
3550 750 4000 750
Wire Wire Line
4000 750 4800 750
Wire Wire Line
3550 750 3550 950
Wire Wire Line
4800 2650 5700 2650
Wire Wire Line
4800 750 4800 2650
Connection ~ 3550 750
Wire Wire Line
1950 900 2250 900
Wire Wire Line
1750 900 1700 900
Wire Wire Line
2250 1400 2650 1400
Wire Wire Line
2650 1400 2800 1400
Wire Wire Line
2650 1350 2650 1400
Connection ~ 2650 1400
Wire Wire Line
3000 1400 3200 1400
Wire Wire Line
3200 1400 3550 1400
Wire Wire Line
3550 1150 3550 1400
Connection ~ 3550 1400
Wire Wire Line
5700 2750 4700 2750
Wire Wire Line
4700 2750 4700 1400
Wire Wire Line
3550 2650 3550 2850
Wire Wire Line
1700 3250 2250 3250
Wire Wire Line
2250 3250 2650 3250
Wire Wire Line
2650 3250 2800 3250
Wire Wire Line
3550 3050 3550 3250
Wire Wire Line
3550 3250 3550 3450
Wire Wire Line
3000 3250 3200 3250
Wire Wire Line
3200 3250 3550 3250
Wire Wire Line
3550 3250 4500 3250
Connection ~ 3550 3250
Connection ~ 3550 2650
Wire Wire Line
5700 2850 4600 2850
Wire Wire Line
4600 2850 4600 2050
Wire Wire Line
5700 2950 4500 2950
Wire Wire Line
4500 2950 4500 2650
Wire Wire Line
5700 3050 4500 3050
Wire Wire Line
4500 3050 4500 3250
Wire Wire Line
3000 4200 3550 4200
Wire Wire Line
3550 4200 3750 4200
Wire Wire Line
3750 4200 4700 4200
Wire Wire Line
3550 4200 3550 4400
Connection ~ 3550 4200
Wire Wire Line
2250 4800 2700 4800
Wire Wire Line
2700 4800 2850 4800
Wire Wire Line
3050 4800 3250 4800
Wire Wire Line
3250 4800 3550 4800
Wire Wire Line
3550 4600 3550 4800
Connection ~ 3550 4800
Wire Wire Line
3550 6000 3550 6200
Wire Wire Line
1700 6650 2250 6650
Wire Wire Line
2250 6650 2700 6650
Wire Wire Line
2700 6650 2850 6650
Wire Wire Line
3050 6650 3250 6650
Wire Wire Line
3250 6650 3550 6650
Wire Wire Line
3550 6650 5100 6650
Wire Wire Line
3550 6400 3550 6650
Wire Wire Line
3550 6650 3550 6850
Connection ~ 3550 6650
Wire Wire Line
2250 7250 2700 7250
Wire Wire Line
2700 7250 2850 7250
$Comp
L bldc-BMS-rescue:C_Small C21
U 1 1 5B1F79FC
P 4150 7400
F 0 "C21" H 4160 7470 50 0000 L CNN
F 1 "1uF 10V" H 4160 7320 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4150 7400 50 0001 C CNN
F 3 "" H 4150 7400 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 4150 7400 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 4150 7400 50 0001 C CNN "Digikey PN"
1 4150 7400
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:GND #PWR0112
U 1 1 5B1F7DB6
P 3550 7500
F 0 "#PWR0112" H 3550 7250 50 0001 C CNN
F 1 "GND" H 3550 7350 50 0000 C CNN
F 2 "" H 3550 7500 50 0001 C CNN
F 3 "" H 3550 7500 50 0001 C CNN
1 3550 7500
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:GND #PWR0113
U 1 1 5B1F801B
P 4150 7500
F 0 "#PWR0113" H 4150 7250 50 0001 C CNN
F 1 "GND" H 4150 7350 50 0000 C CNN
F 2 "" H 4150 7500 50 0001 C CNN
F 3 "" H 4150 7500 50 0001 C CNN
1 4150 7500
1 0 0 -1
$EndComp
Wire Wire Line
3050 7250 3300 7250
Wire Wire Line
3300 7250 4150 7250
Wire Wire Line
4150 7250 4750 7250
Wire Wire Line
4750 7250 5200 7250
Wire Wire Line
4150 7250 4150 7300
Wire Wire Line
4700 4200 4700 3250
Wire Wire Line
4700 3250 5700 3250
$Comp
L bldc-BMS-rescue:R_Small R32
U 1 1 5B1F9281
P 2900 3900
F 0 "R32" V 3000 3850 50 0000 L CNN
F 1 "1k 1%" V 2800 3900 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2900 3900 50 0001 C CNN
F 3 "" H 2900 3900 50 0001 C CNN
1 2900 3900
0 1 1 0
$EndComp
$Comp
L bldc-BMS-rescue:C_Small C20
U 1 1 5B1F9892
P 4100 3650
F 0 "C20" H 4110 3720 50 0000 L CNN
F 1 "1uF 10V" H 4110 3570 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4100 3650 50 0001 C CNN
F 3 "" H 4100 3650 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 4100 3650 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 4100 3650 50 0001 C CNN "Digikey PN"
1 4100 3650
1 0 0 -1
$EndComp
Wire Wire Line
5700 3750 5200 3750
Wire Wire Line
5200 3750 5200 7250
Connection ~ 4150 7250
Wire Wire Line
5100 6650 5100 3650
Wire Wire Line
5100 3650 5700 3650
Wire Wire Line
5700 3550 5000 3550
Wire Wire Line
5000 3550 5000 6000
Wire Wire Line
5700 3450 4900 3450
Wire Wire Line
4900 3450 4900 5400
Wire Wire Line
5700 3350 4800 3350
Wire Wire Line
4800 3350 4800 4800
Wire Wire Line
7200 3150 8550 3150
Wire Wire Line
8550 3150 9150 3150
$Comp
L bldc-BMS-rescue:R_Small R50
U 1 1 5B1FCE06
P 5450 5100
F 0 "R50" H 5300 5050 50 0000 C CNN
F 1 "100k" H 5300 5150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5450 5100 50 0001 C CNN
F 3 "" H 5450 5100 50 0001 C CNN
1 5450 5100
-1 0 0 1
$EndComp
Wire Wire Line
5700 4250 5450 4250
Wire Wire Line
5450 4250 5450 4800
Wire Wire Line
5450 4800 5450 5000
$Comp
L bldc-BMS-rescue:GND #PWR0114
U 1 1 5B1FD26F
P 5450 5250
F 0 "#PWR0114" H 5450 5000 50 0001 C CNN
F 1 "GND" H 5450 5100 50 0000 C CNN
F 2 "" H 5450 5250 50 0001 C CNN
F 3 "" H 5450 5250 50 0001 C CNN
1 5450 5250
1 0 0 -1
$EndComp
Wire Wire Line
5450 5200 5450 5250
Text HLabel 5550 3950 0 60 Input ~ 0
SRP
Text HLabel 5550 4050 0 60 Input ~ 0
SRN
Wire Wire Line
5550 3950 5700 3950
Wire Wire Line
5700 4050 5550 4050
$Comp
L bldc-BMS-rescue:C_Small C23
U 1 1 5B1FF7B5
P 8550 3000
F 0 "C23" H 8560 3070 50 0000 L CNN
F 1 "1uF 10V" H 8560 2920 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8550 3000 50 0001 C CNN
F 3 "" H 8550 3000 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 0 0 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 8550 3000
1 0 0 -1
$EndComp
Wire Wire Line
8550 3150 8550 3100
$Comp
L bldc-BMS-rescue:C_Small C25
U 1 1 5B1FFE47
P 9350 5900
F 0 "C25" H 9360 5970 50 0000 L CNN
F 1 "4.7nF" H 9360 5820 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9350 5900 50 0001 C CNN
F 3 "" H 9350 5900 50 0001 C CNN
F 4 "CAP CER 4700PF 50V C0G 0603" H 0 0 50 0001 C CNN "Description"
F 5 "445-7400-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 9350 5900
1 0 0 -1
$EndComp
Connection ~ 8550 3150
Wire Wire Line
8550 2850 8550 2900
Wire Wire Line
7200 3750 7350 3750
Wire Wire Line
7200 3850 7350 3850
Text HLabel 7350 3750 2 60 Output ~ 0
CHG
Text HLabel 7350 3850 2 60 Output ~ 0
DSG
Wire Wire Line
7200 3500 8100 3500
Wire Wire Line
8100 3500 8100 3600
$Comp
L bldc-BMS-rescue:C_Small C22
U 1 1 5B20189D
P 8100 3700
F 0 "C22" H 8110 3770 50 0000 L CNN
F 1 "1uF 10V" H 8110 3620 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8100 3700 50 0001 C CNN
F 3 "" H 8100 3700 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 0 0 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 8100 3700
1 0 0 -1
$EndComp
Wire Wire Line
7200 3400 8550 3400
Wire Wire Line
8550 3400 8750 3400
Text HLabel 8750 3400 2 60 Output ~ 0
REGOUT
$Comp
L bldc-BMS-rescue:C_Small C26
U 1 1 5B201FEE
P 9850 5900
F 0 "C26" H 9860 5970 50 0000 L CNN
F 1 "4.7nF" H 9860 5820 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9850 5900 50 0001 C CNN
F 3 "" H 9850 5900 50 0001 C CNN
F 4 "CAP CER 4700PF 50V C0G 0603" H 0 0 50 0001 C CNN "Description"
F 5 "445-7400-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 9850 5900
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:GND #PWR0115
U 1 1 5B2026A3
P 8100 3900
F 0 "#PWR0115" H 8100 3650 50 0001 C CNN
F 1 "GND" H 8100 3750 50 0000 C CNN
F 2 "" H 8100 3900 50 0001 C CNN
F 3 "" H 8100 3900 50 0001 C CNN
1 8100 3900
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:SW_Push SW1
U 1 1 5B2031E7
P 7550 5250
F 0 "SW1" H 7600 5350 50 0000 L CNN
F 1 "SW_Push" H 7550 5190 50 0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_PTS810" H 7550 5450 50 0001 C CNN
F 3 "" H 7550 5450 50 0001 C CNN
F 4 "SWITCH TACTILE SPST-NO 50MA 32V" H 0 0 50 0001 C CNN "Description"
F 5 "CKN10684CT-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 7550 5250
0 1 1 0
$EndComp
Wire Wire Line
6950 5000 7550 5000
Wire Wire Line
7550 5000 7800 5000
Text Label 6950 5000 0 60 ~ 0
VC1
Text Notes 7150 4950 0 60 ~ 0
BOOT\nAt POR enters SHIP mode.
$Comp
L bldc-BMS-rescue:GND #PWR0116
U 1 1 5B20523F
P 7250 4450
F 0 "#PWR0116" H 7250 4200 50 0001 C CNN
F 1 "GND" H 7250 4300 50 0000 C CNN
F 2 "" H 7250 4450 50 0001 C CNN
F 3 "" H 7250 4450 50 0001 C CNN
1 7250 4450
1 0 0 -1
$EndComp
Text HLabel 7350 4100 2 60 Input ~ 0
SCL
Text HLabel 7350 4200 2 60 BiDi ~ 0
SDA
$Comp
L bldc-BMS-rescue:C_Small C24
U 1 1 5B20B55E
P 8550 3650
F 0 "C24" H 8560 3720 50 0000 L CNN
F 1 "4.7uF" H 8560 3570 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8550 3650 50 0001 C CNN
F 3 "" H 8550 3650 50 0001 C CNN
F 4 "CAP CER 4.7UF 25V X5R 0805" H 0 0 50 0001 C CNN "Description"
F 5 "1276-1244-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 8550 3650
1 0 0 -1
$EndComp
Wire Wire Line
8550 3550 8550 3400
Connection ~ 8550 3400
Wire Wire Line
5450 4800 5750 4800
Connection ~ 5450 4800
Text HLabel 5750 4800 2 60 Output ~ 0
ALERT
$Comp
L Device:Q_NMOS_GSD Q16
U 1 1 5B2101DE
P 10100 1750
F 0 "Q16" H 10300 1800 50 0000 L CNN
F 1 "Q_NMOS_GSD" H 10300 1700 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10300 1850 50 0001 C CNN
F 3 "" H 10100 1750 50 0001 C CNN
F 4 "MOSFET N-CH 20V 0.63A SOT23-3" H 0 0 50 0001 C CNN "Description"
F 5 "DMN2004KDICT-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 10100 1750
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:D_Small_ALT D22
U 1 1 5B210A65
P 10200 1250
F 0 "D22" H 10150 1330 50 0000 L CNN
F 1 "1N4148W" H 10050 1170 50 0000 L CNN
F 2 "Diode_SMD:D_SOD-323" V 10200 1250 50 0001 C CNN
F 3 "" V 10200 1250 50 0001 C CNN
F 4 "DIODE GEN PURP 75V 150MA SOD323" H 0 0 50 0001 C CNN "Description"
F 5 "1N4148WXTPMSCT-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 10200 1250
0 -1 -1 0
$EndComp
$Comp
L bldc-BMS-rescue:R_Small R57
U 1 1 5B210ECA
P 10550 1250
F 0 "R57" V 10650 1200 50 0000 L CNN
F 1 "100k" V 10450 1250 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10550 1250 50 0001 C CNN
F 3 "" H 10550 1250 50 0001 C CNN
1 10550 1250
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:C_Small C27
U 1 1 5B211B69
P 10200 2600
F 0 "C27" H 10210 2670 50 0000 L CNN
F 1 "1uF 10V" H 10210 2520 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10200 2600 50 0001 C CNN
F 3 "" H 10200 2600 50 0001 C CNN
F 4 "CAP CER 1UF 25V X5R 0603" H 0 0 50 0001 C CNN "Description"
F 5 "1276-1102-1-ND" H 0 0 50 0001 C CNN "Digikey PN"
1 10200 2600
1 0 0 -1
$EndComp
$Comp
L bldc-BMS-rescue:GND #PWR0117
U 1 1 5B2121B6
P 10200 2750
F 0 "#PWR0117" H 10200 2500 50 0001 C CNN
F 1 "GND" H 10200 2600 50 0000 C CNN
F 2 "" H 10200 2750 50 0001 C CNN
F 3 "" H 10200 2750 50 0001 C CNN
1 10200 2750
1 0 0 -1
$EndComp
Wire Wire Line
10200 2700 10200 2750
Text Label 7550 2550 2 60 ~ 0
BAT
Text Label 9150 3150 2 60 ~ 0
VC5X
Wire Wire Line
1700 900 1700 750
Connection ~ 1700 750
Wire Wire Line
2250 1300 2250 1400
Text Label 950 1400 0 60 ~ 0
C9
Connection ~ 2250 1400
Wire Wire Line
2550 1100 2650 1100
Wire Wire Line
2650 1100 3200 1100
Wire Wire Line
2650 1100 2650 1150
Connection ~ 2650 1100
Text Notes 1400 -350 0 60 ~ 0
Power through balance resistor\nV=IR -> I=V/R = 3.65V/33R = 0.11A\nP=IV -> 0.11A*3.65 = 0.4W
Wire Wire Line
3200 1100 3200 1150
Wire Wire Line
3200 1350 3200 1400
Connection ~ 3200 1400
Wire Wire Line
1750 2800 1700 2800
Wire Wire Line
1700 2800 1700 2650
Connection ~ 1700 2650
Wire Wire Line
2250 2800 1950 2800
Wire Wire Line
2250 3200 2250 3250
Connection ~ 2250 3250
Wire Wire Line
2550 3000 2650 3000
Wire Wire Line
2650 3000 3200 3000
Wire Wire Line
2650 3200 2650 3250
Connection ~ 2650 3250
Connection ~ 2650 3000
Wire Wire Line
3200 3200 3200 3250
Connection ~ 3200 3250
Wire Wire Line
1750 3400 1700 3400
Wire Wire Line
1700 3400 1700 3250
Connection ~ 1700 3250
Wire Wire Line
1950 3400 2250 3400
Wire Wire Line
2250 3400 2250 3450
Wire Wire Line
2550 3650 2650 3650
Wire Wire Line
2650 3650 3200 3650
Connection ~ 2650 3650
Wire Wire Line
3200 3850 3200 3900
Wire Wire Line
3000 3900 3200 3900
Wire Wire Line
3200 3900 4100 3900
Wire Wire Line
4100 3900 4600 3900
Wire Wire Line
2250 3900 2650 3900
Wire Wire Line
2650 3900 2800 3900
Wire Wire Line
2650 3900 2650 3850
Wire Wire Line
2250 3850 2250 3900
Connection ~ 2650 3900
Connection ~ 2250 3900
Wire Wire Line
2250 4350 1950 4350
Wire Wire Line
1750 4350 1700 4350
Wire Wire Line
2550 4550 2700 4550
Wire Wire Line
2700 4550 3250 4550
Wire Wire Line
2250 4750 2250 4800
Connection ~ 2250 4800
Wire Wire Line
2700 4750 2700 4800