EESchema Schematic File Version 4
LIBS:BattFred-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 7
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L BattFred-rescue:MAX7301AAI+-GPIO IC?
U 1 1 5E09B089
P 3650 2600
AR Path="/5E00D4EB/5E09B089" Ref="IC?"  Part="1" 
AR Path="/5E096568/5E096642/5E09B089" Ref="IC?"  Part="1" 
AR Path="/5E096568/5E09B089" Ref="IC2"  Part="1" 
AR Path="/5E09B089" Ref="IC2"  Part="1" 
F 0 "IC2" H 4250 1035 50  0000 C CNN
F 1 "MAX7301AAI+" H 4250 1126 50  0000 C CNN
F 2 "MyPinout:SOP65P778X199-28N" H 4700 2700 50  0001 L CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX7301.pdf" H 4700 2600 50  0001 L CNN
F 4 "Maxim MAX7301AAI+, Input Output Controller 20-USB, 28-Pin SSOP" H 4700 2500 50  0001 L CNN "Description"
F 5 "1.99" H 4700 2400 50  0001 L CNN "Height"
F 6 "" H 4700 2300 50  0001 L CNN "Mouser2 Part Number"
F 7 "" H 4700 2200 50  0001 L CNN "Mouser2 Price/Stock"
F 8 "Maxim Integrated" H 4700 2100 50  0001 L CNN "Manufacturer_Name"
F 9 "MAX7301AAI+" H 4700 2000 50  0001 L CNN "Manufacturer_Part_Number"
	1    3650 2600
	-1   0    0    1   
$EndComp
Text GLabel 10900 700  2    50   Input Italic 10
VCC
$Comp
L power:GND #PWR0134
U 1 1 5E155022
P 11150 850
F 0 "#PWR0134" H 11150 600 50  0001 C CNN
F 1 "GND" H 11155 677 50  0000 C CNN
F 2 "" H 11150 850 50  0001 C CNN
F 3 "" H 11150 850 50  0001 C CNN
	1    11150 850 
	1    0    0    -1  
$EndComp
Text GLabel 10700 900  2    50   Input Italic 10
VCharge
Wire Wire Line
	10700 700  10900 700 
Text GLabel 9300 900  0    50   Input Italic 10
CtrlCharge1
Text GLabel 9300 1000 0    50   Input Italic 10
CtrlDischarge1
Text GLabel 9300 1100 0    50   Input Italic 10
INChargeOK1
Wire Wire Line
	9300 700  9450 700 
Wire Wire Line
	9450 800  9300 800 
Wire Wire Line
	9300 900  9450 900 
Wire Wire Line
	9450 1000 9300 1000
Wire Wire Line
	9300 1100 9450 1100
Text GLabel 4050 1300 2    50   BiDi Italic 10
OUTCharge1
Text GLabel 4050 1400 2    50   BiDi Italic 10
OUTDischarge1
Text GLabel 4050 1500 2    50   BiDi Italic 10
CtrlCharge1
Text GLabel 4050 1600 2    50   BiDi Italic 10
CtrlDischarge1
Text GLabel 4050 1700 2    50   BiDi Italic 10
INChargeOK1
Text GLabel 4050 1800 2    50   BiDi Italic 10
OUTCharge2
Text GLabel 4050 1900 2    50   BiDi Italic 10
OUTDischarge2
Text GLabel 4050 2000 2    50   BiDi Italic 10
CtrlCharge2
Text GLabel 4050 2100 2    50   BiDi Italic 10
CtrlDischarge2
Text GLabel 4050 2200 2    50   BiDi Italic 10
INChargeOK2
Text GLabel 2150 1300 0    50   BiDi Italic 10
OUTCharge3
Text GLabel 2150 1400 0    50   BiDi Italic 10
OUTDischarge3
Text GLabel 2150 1500 0    50   BiDi Italic 10
CtrlCharge3
Text GLabel 2150 1600 0    50   BiDi Italic 10
CtrlDischarge3
Text GLabel 2150 1700 0    50   BiDi Italic 10
INChargeOK3
Text GLabel 2150 1800 0    50   BiDi Italic 10
OUTCharge4
Text GLabel 2150 1900 0    50   BiDi Italic 10
OUTDischarge4
Text GLabel 2150 2000 0    50   BiDi Italic 10
CtrlCharge4
Text GLabel 2150 2100 0    50   BiDi Italic 10
CtrlDischarge4
Text GLabel 2150 2200 0    50   BiDi Italic 10
INChargeOK4
Text GLabel 10900 1850 2    50   Input Italic 10
VCC
$Comp
L power:GND #PWR0136
U 1 1 5E167B02
P 11150 2000
F 0 "#PWR0136" H 11150 1750 50  0001 C CNN
F 1 "GND" H 11155 1827 50  0000 C CNN
F 2 "" H 11150 2000 50  0001 C CNN
F 3 "" H 11150 2000 50  0001 C CNN
	1    11150 2000
	1    0    0    -1  
$EndComp
Text GLabel 10700 2050 2    50   Input Italic 10
VCharge
Wire Wire Line
	10700 1850 10900 1850
Text GLabel 9300 1850 0    50   Output Italic 10
OUTCharge2
Text GLabel 9300 1950 0    50   Output Italic 10
OUTDischarge2
Text GLabel 9300 2050 0    50   Input Italic 10
CtrlCharge2
Text GLabel 9300 2150 0    50   Input Italic 10
CtrlDischarge2
Text GLabel 9300 2250 0    50   Input Italic 10
INChargeOK2
Wire Wire Line
	9300 1850 9450 1850
Wire Wire Line
	9450 1950 9300 1950
Wire Wire Line
	9300 2050 9450 2050
Wire Wire Line
	9450 2150 9300 2150
Wire Wire Line
	9300 2250 9450 2250
Text GLabel 10900 2950 2    50   Input Italic 10
VCC
$Comp
L power:GND #PWR0138
U 1 1 5E16933B
P 11050 3100
F 0 "#PWR0138" H 11050 2850 50  0001 C CNN
F 1 "GND" H 11055 2927 50  0000 C CNN
F 2 "" H 11050 3100 50  0001 C CNN
F 3 "" H 11050 3100 50  0001 C CNN
	1    11050 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 3050 11050 3050
Wire Wire Line
	11050 3050 11050 3100
Text GLabel 10750 3150 2    50   Input Italic 10
VCharge
Wire Wire Line
	10700 3150 10750 3150
Wire Wire Line
	10700 2950 10900 2950
Text GLabel 9300 2950 0    50   Output Italic 10
OUTCharge3
Text GLabel 9300 3050 0    50   Output Italic 10
OUTDischarge3
Text GLabel 9300 3150 0    50   Input Italic 10
CtrlCharge3
Text GLabel 9300 3250 0    50   Input Italic 10
CtrlDischarge3
Text GLabel 9300 3350 0    50   Input Italic 10
INChargeOK3
Wire Wire Line
	9300 2950 9450 2950
Wire Wire Line
	9450 3050 9300 3050
Wire Wire Line
	9300 3150 9450 3150
Wire Wire Line
	9450 3250 9300 3250
Wire Wire Line
	9300 3350 9450 3350
Text GLabel 10900 4100 2    50   Input Italic 10
VCC
$Comp
L power:GND #PWR0140
U 1 1 5E16A9DA
P 11050 4250
F 0 "#PWR0140" H 11050 4000 50  0001 C CNN
F 1 "GND" H 11055 4077 50  0000 C CNN
F 2 "" H 11050 4250 50  0001 C CNN
F 3 "" H 11050 4250 50  0001 C CNN
	1    11050 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 4200 11050 4200
Wire Wire Line
	11050 4200 11050 4250
Text GLabel 10750 4300 2    50   Input Italic 10
VCC
Wire Wire Line
	10700 4300 10750 4300
Wire Wire Line
	10700 4100 10900 4100
Text GLabel 9300 4100 0    50   Output Italic 10
OUTCharge4
Text GLabel 9300 4200 0    50   Output Italic 10
OUTDischarge4
Text GLabel 9300 4300 0    50   Input Italic 10
CtrlCharge4
Text GLabel 9300 4400 0    50   Input Italic 10
CtrlDischarge4
Text GLabel 9300 4500 0    50   Input Italic 10
INChargeOK4
Wire Wire Line
	9300 4100 9450 4100
Wire Wire Line
	9450 4200 9300 4200
Wire Wire Line
	9300 4300 9450 4300
Wire Wire Line
	9450 4400 9300 4400
Wire Wire Line
	9300 4500 9450 4500
Wire Wire Line
	2150 1300 2450 1300
Wire Wire Line
	2450 1400 2150 1400
Wire Wire Line
	2150 1500 2450 1500
Wire Wire Line
	2150 1600 2450 1600
Wire Wire Line
	2450 1700 2150 1700
Wire Wire Line
	2150 1800 2450 1800
Wire Wire Line
	2450 1900 2150 1900
Wire Wire Line
	2150 2000 2450 2000
Wire Wire Line
	2450 2100 2150 2100
Wire Wire Line
	2150 2200 2450 2200
Wire Wire Line
	3650 1300 4050 1300
Wire Wire Line
	4050 1400 3650 1400
Wire Wire Line
	3650 1500 4050 1500
Wire Wire Line
	4050 1600 3650 1600
Wire Wire Line
	3650 1700 4050 1700
Wire Wire Line
	4050 1800 3650 1800
Wire Wire Line
	3650 1900 4050 1900
Wire Wire Line
	4050 2000 3650 2000
Wire Wire Line
	3650 2100 4050 2100
Wire Wire Line
	4050 2200 3650 2200
Text GLabel 2450 2300 0    50   Input Italic 10
SCK
Text GLabel 2450 2400 0    50   Input Italic 10
MOSI
Text GLabel 3650 2300 2    50   Output Italic 10
MISO
Text GLabel 2450 2500 0    50   Input Italic 10
NSS
Wire Wire Line
	11150 800  11150 850 
Wire Wire Line
	10700 800  11150 800 
Wire Wire Line
	11150 1950 11150 2000
Wire Wire Line
	10700 1950 11150 1950
$Comp
L power:GND #PWR0142
U 1 1 5E1AA942
P 4050 2450
F 0 "#PWR0142" H 4050 2200 50  0001 C CNN
F 1 "GND" H 4055 2277 50  0000 C CNN
F 2 "" H 4050 2450 50  0001 C CNN
F 3 "" H 4050 2450 50  0001 C CNN
	1    4050 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 2400 3650 2450
Wire Wire Line
	3650 2450 3900 2450
Connection ~ 3650 2450
Wire Wire Line
	3650 2450 3650 2500
Text GLabel 1950 2600 0    50   Input Italic 10
VCC
Wire Wire Line
	2450 2600 2250 2600
$Comp
L Device:C C19
U 1 1 5E1B18DD
P 2250 2750
F 0 "C19" H 2365 2796 50  0000 L CNN
F 1 "47nF" H 2365 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2288 2600 50  0001 C CNN
F 3 "~" H 2250 2750 50  0001 C CNN
	1    2250 2750
	1    0    0    -1  
$EndComp
Connection ~ 2250 2600
Wire Wire Line
	2250 2600 1950 2600
Wire Wire Line
	2250 2900 3650 2900
Wire Wire Line
	3900 2900 3900 2450
Connection ~ 3900 2450
Wire Wire Line
	3900 2450 4050 2450
$Comp
L Device:R R3
U 1 1 5E1B3F5A
P 3650 2750
F 0 "R3" H 3720 2796 50  0000 L CNN
F 1 "39k" H 3720 2705 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3580 2750 50  0001 C CNN
F 3 "~" H 3650 2750 50  0001 C CNN
	1    3650 2750
	1    0    0    -1  
$EndComp
Connection ~ 3650 2900
Wire Wire Line
	3650 2900 3900 2900
Text GLabel 9300 700  0    50   Output Italic 10
OUTCharge1
Text GLabel 9300 800  0    50   Output Italic 10
OUTDischarge1
Wire Wire Line
	10900 4400 10900 4450
Wire Wire Line
	10700 4400 10900 4400
$Sheet
S 9450 4000 1250 800 
U 5E16A9D3
F0 "sheet5E16A9C8" 50
F1 "BMS.sch" 50
F2 "OUTCharge" O L 9450 4100 50 
F3 "OUTDischarge" O L 9450 4200 50 
F4 "VCC" I R 10700 4100 50 
F5 "GND" O R 10700 4200 50 
F6 "VCharge" I R 10700 4300 50 
F7 "GNDCharge" O R 10700 4400 50 
F8 "CtrlCharge" I L 9450 4300 50 
F9 "CtrlDischarge" I L 9450 4400 50 
F10 "INChargeOK" I L 9450 4500 50 
$EndSheet
$Sheet
S 9450 600  1250 800 
U 5E152F4D
F0 "sheet5E152F3F" 50
F1 "BMS.sch" 50
F2 "OUTCharge" O L 9450 700 50 
F3 "OUTDischarge" O L 9450 800 50 
F4 "VCC" I R 10700 700 50 
F5 "GND" O R 10700 800 50 
F6 "VCharge" I R 10700 900 50 
F7 "GNDCharge" O R 10700 1000 50 
F8 "CtrlCharge" I L 9450 900 50 
F9 "CtrlDischarge" I L 9450 1000 50 
F10 "INChargeOK" I L 9450 1100 50 
$EndSheet
Wire Wire Line
	10700 2150 10900 2150
Wire Wire Line
	10900 2150 10900 2200
$Sheet
S 9450 1750 1250 800 
U 5E167AFB
F0 "sheet5E167AF0" 50
F1 "BMS.sch" 50
F2 "OUTCharge" O L 9450 1850 50 
F3 "OUTDischarge" O L 9450 1950 50 
F4 "VCC" I R 10700 1850 50 
F5 "GND" O R 10700 1950 50 
F6 "VCharge" I R 10700 2050 50 
F7 "GNDCharge" O R 10700 2150 50 
F8 "CtrlCharge" I L 9450 2050 50 
F9 "CtrlDischarge" I L 9450 2150 50 
F10 "INChargeOK" I L 9450 2250 50 
$EndSheet
Wire Wire Line
	10900 3250 10900 3300
Wire Wire Line
	10700 3250 10900 3250
$Sheet
S 9450 2850 1250 800 
U 5E169334
F0 "sheet5E169329" 50
F1 "BMS.sch" 50
F2 "OUTCharge" O L 9450 2950 50 
F3 "OUTDischarge" O L 9450 3050 50 
F4 "VCC" I R 10700 2950 50 
F5 "GND" O R 10700 3050 50 
F6 "VCharge" I R 10700 3150 50 
F7 "GNDCharge" O R 10700 3250 50 
F8 "CtrlCharge" I L 9450 3150 50 
F9 "CtrlDischarge" I L 9450 3250 50 
F10 "INChargeOK" I L 9450 3350 50 
$EndSheet
Text GLabel 10900 1150 3    50   Output Italic 10
GNDCharge
Wire Wire Line
	10700 1000 10900 1000
Wire Wire Line
	10900 1000 10900 1150
Text GLabel 10900 2200 3    50   Output Italic 10
GNDCharge
Text GLabel 10900 3300 3    50   Output Italic 10
GNDCharge
Text GLabel 10900 4450 3    50   Output Italic 10
GNDCharge
$Comp
L Comparator:MAX924ESET U?
U 1 1 5E0219BB
P 2700 4850
F 0 "U?" H 2700 5820 50  0000 C CNN
F 1 "MAX924ESET" H 2700 5729 50  0000 C CNN
F 2 "SOIC127P600X175-16N" H 2700 4850 50  0001 L BNN
F 3 "" H 2700 4850 50  0001 C CNN
	1    2700 4850
	1    0    0    -1  
$EndComp
$EndSCHEMATC