EESchema Schematic File Version 2
LIBS:lipoguard-rescue
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:bts6143
LIBS:lipoguard-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L BTS6143 U1
U 1 1 57E2D89A
P 5300 3850
F 0 "U1" H 5300 4303 60  0000 C CNN
F 1 "BTS6143" H 5300 4197 60  0000 C CNN
F 2 "to252-5:TO252-5L" H 5300 3800 60  0001 C CNN
F 3 "" H 5300 3800 60  0000 C CNN
	1    5300 3850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR01
U 1 1 57E2E094
P 5900 5350
F 0 "#PWR01" H 5900 5350 30  0001 C CNN
F 1 "GND" H 5900 5280 30  0001 C CNN
F 2 "" H 5900 5350 60  0000 C CNN
F 3 "" H 5900 5350 60  0000 C CNN
	1    5900 5350
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57E2E0BA
P 5900 4450
F 0 "R3" H 5971 4489 40  0000 L CNN
F 1 "1k" H 5971 4411 40  0000 L CNN
F 2 "libcms:SM0603" V 5830 4450 30  0001 C CNN
F 3 "" H 5900 4450 30  0000 C CNN
	1    5900 4450
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR02
U 1 1 57E2E14D
P 4600 2450
F 0 "#PWR02" H 4600 2550 30  0001 C CNN
F 1 "VCC" H 4606 2579 30  0000 C CNN
F 2 "" H 4600 2450 60  0000 C CNN
F 3 "" H 4600 2450 60  0000 C CNN
	1    4600 2450
	1    0    0    -1  
$EndComp
$Comp
L CONN_2 P2
U 1 1 57E2E27C
P 3250 4150
F 0 "P2" H 3119 3828 40  0000 C CNN
F 1 "CONN_2" H 3119 3906 40  0000 C CNN
F 2 "connect:bornier2" H 3250 4150 60  0001 C CNN
F 3 "" H 3250 4150 60  0000 C CNN
	1    3250 4150
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR03
U 1 1 57E2E353
P 3850 5350
F 0 "#PWR03" H 3850 5350 30  0001 C CNN
F 1 "GND" H 3850 5280 30  0001 C CNN
F 2 "" H 3850 5350 60  0000 C CNN
F 3 "" H 3850 5350 60  0000 C CNN
	1    3850 5350
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 57E2E5E3
P 4600 4450
F 0 "R2" H 4671 4489 40  0000 L CNN
F 1 "1k" H 4671 4411 40  0000 L CNN
F 2 "libcms:SM0603" V 4530 4450 30  0001 C CNN
F 3 "" H 4600 4450 30  0000 C CNN
	1    4600 4450
	1    0    0    -1  
$EndComp
$Comp
L LED D2
U 1 1 57E2E629
P 4600 5000
F 0 "D2" V 4554 5078 50  0000 L CNN
F 1 "LED" V 4646 5078 50  0000 L CNN
F 2 "libcms:SM0603" H 4600 5000 60  0001 C CNN
F 3 "" H 4600 5000 60  0000 C CNN
	1    4600 5000
	0    1    1    0   
$EndComp
$Comp
L GND #PWR04
U 1 1 57E2E82E
P 4600 5350
F 0 "#PWR04" H 4600 5350 30  0001 C CNN
F 1 "GND" H 4600 5280 30  0001 C CNN
F 2 "" H 4600 5350 60  0000 C CNN
F 3 "" H 4600 5350 60  0000 C CNN
	1    4600 5350
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR05
U 1 1 57E2F4D3
P 4050 2450
F 0 "#PWR05" H 4050 2550 30  0001 C CNN
F 1 "VCC" H 4056 2579 30  0000 C CNN
F 2 "" H 4050 2450 60  0000 C CNN
F 3 "" H 4050 2450 60  0000 C CNN
	1    4050 2450
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 57E2F4FB
P 4050 2800
F 0 "R1" H 4121 2839 40  0000 L CNN
F 1 "1k" H 4121 2761 40  0000 L CNN
F 2 "libcms:SM0603" V 3980 2800 30  0001 C CNN
F 3 "" H 4050 2800 30  0000 C CNN
	1    4050 2800
	1    0    0    -1  
$EndComp
$Comp
L LED D1
U 1 1 57E2F7BC
P 4050 3350
F 0 "D1" V 4004 3428 50  0000 L CNN
F 1 "LED" V 4096 3428 50  0000 L CNN
F 2 "libcms:SM0603" H 4050 3350 60  0001 C CNN
F 3 "" H 4050 3350 60  0000 C CNN
	1    4050 3350
	0    1    1    0   
$EndComp
$Comp
L GND #PWR06
U 1 1 57E2FB8C
P 4050 3650
F 0 "#PWR06" H 4050 3650 30  0001 C CNN
F 1 "GND" H 4050 3580 30  0001 C CNN
F 2 "" H 4050 3650 60  0000 C CNN
F 3 "" H 4050 3650 60  0000 C CNN
	1    4050 3650
	1    0    0    -1  
$EndComp
$Comp
L CONN_2 P1
U 1 1 57E30469
P 3250 3050
F 0 "P1" H 3119 2728 40  0000 C CNN
F 1 "CONN_2" H 3119 2806 40  0000 C CNN
F 2 "connect:bornier2" H 3250 3050 60  0001 C CNN
F 3 "" H 3250 3050 60  0000 C CNN
	1    3250 3050
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 57E30655
P 3650 3650
F 0 "#PWR07" H 3650 3650 30  0001 C CNN
F 1 "GND" H 3650 3580 30  0001 C CNN
F 2 "" H 3650 3650 60  0000 C CNN
F 3 "" H 3650 3650 60  0000 C CNN
	1    3650 3650
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR08
U 1 1 57E30683
P 3650 2450
F 0 "#PWR08" H 3650 2550 30  0001 C CNN
F 1 "VCC" H 3656 2579 30  0000 C CNN
F 2 "" H 3650 2450 60  0000 C CNN
F 3 "" H 3650 2450 60  0000 C CNN
	1    3650 2450
	1    0    0    -1  
$EndComp
$Comp
L NPN Q1
U 1 1 57F2671F
P 6700 3900
F 0 "Q1" H 6891 3946 50  0000 L CNN
F 1 "BC 850C" H 6891 3854 50  0000 L CNN
F 2 "misc:sot23BEC" H 6700 3900 60  0001 C CNN
F 3 "" H 6700 3900 60  0000 C CNN
	1    6700 3900
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR09
U 1 1 57F26963
P 6600 5350
F 0 "#PWR09" H 6600 5350 30  0001 C CNN
F 1 "GND" H 6600 5280 30  0001 C CNN
F 2 "" H 6600 5350 60  0000 C CNN
F 3 "" H 6600 5350 60  0000 C CNN
	1    6600 5350
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 57F269B7
P 7250 3900
F 0 "R4" V 7062 3900 40  0000 C CNN
F 1 "4.7k" V 7140 3900 40  0000 C CNN
F 2 "libcms:SM0603" V 7180 3900 30  0001 C CNN
F 3 "" H 7250 3900 30  0000 C CNN
	1    7250 3900
	0    1    1    0   
$EndComp
$Comp
L GND #PWR010
U 1 1 57F26B56
P 8200 5350
F 0 "#PWR010" H 8200 5350 30  0001 C CNN
F 1 "GND" H 8200 5280 30  0001 C CNN
F 2 "" H 8200 5350 60  0000 C CNN
F 3 "" H 8200 5350 60  0000 C CNN
	1    8200 5350
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR011
U 1 1 57F26BA7
P 8200 2450
F 0 "#PWR011" H 8200 2550 30  0001 C CNN
F 1 "VCC" H 8206 2579 30  0000 C CNN
F 2 "" H 8200 2450 60  0000 C CNN
F 3 "" H 8200 2450 60  0000 C CNN
	1    8200 2450
	1    0    0    -1  
$EndComp
$Comp
L C C1
U 1 1 57F3D205
P 7750 4450
F 0 "C1" H 7750 4550 40  0000 L CNN
F 1 "100nf" H 7756 4365 40  0000 L CNN
F 2 "libcms:SM0603" H 7788 4300 30  0001 C CNN
F 3 "" H 7750 4450 60  0000 C CNN
	1    7750 4450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR012
U 1 1 57F3D38A
P 7750 5350
F 0 "#PWR012" H 7750 5350 30  0001 C CNN
F 1 "GND" H 7750 5280 30  0001 C CNN
F 2 "" H 7750 5350 60  0001 C CNN
F 3 "" H 7750 5350 60  0001 C CNN
	1    7750 5350
	1    0    0    -1  
$EndComp
$Comp
L POT RV1
U 1 1 57F26A5C
P 8200 3900
F 0 "RV1" V 8246 3817 50  0000 R CNN
F 1 "5k" V 8154 3817 50  0000 R CNN
F 2 "misc:trimmer1" H 8200 3900 60  0001 C CNN
F 3 "" H 8200 3900 60  0000 C CNN
	1    8200 3900
	0    -1   -1   0   
$EndComp
$Comp
L R R5
U 1 1 57F56FF8
P 8200 3100
F 0 "R5" V 8280 3100 40  0000 C CNN
F 1 "10k" V 8207 3101 40  0000 C CNN
F 2 "libcms:SM0603" V 8130 3100 30  0001 C CNN
F 3 "" H 8200 3100 30  0000 C CNN
	1    8200 3100
	1    0    0    -1  
$EndComp
Text Notes 8400 3250 0    60   ~ 0
Use:\n10k for LiPo/Li-Ion\n4.7K for Lead\n0 for Nimh
Wire Wire Line
	5900 4050 5900 4300
Wire Wire Line
	5900 4600 5900 5350
Wire Wire Line
	4700 3650 4600 3650
Wire Wire Line
	4600 3650 4600 2450
Wire Wire Line
	4700 3950 4600 3950
Wire Wire Line
	4600 3950 4600 4300
Wire Wire Line
	3600 4050 4700 4050
Wire Wire Line
	3600 4250 3850 4250
Wire Wire Line
	3850 4250 3850 5350
Connection ~ 4600 4050
Wire Wire Line
	4600 4600 4600 4800
Wire Wire Line
	4600 5350 4600 5200
Wire Wire Line
	4050 2450 4050 2650
Wire Wire Line
	4050 2950 4050 3150
Wire Wire Line
	4050 3650 4050 3550
Wire Wire Line
	3600 2950 3650 2950
Wire Wire Line
	3650 2950 3650 2450
Wire Wire Line
	3600 3150 3650 3150
Wire Wire Line
	3650 3150 3650 3650
Wire Wire Line
	6600 3650 6600 3700
Wire Wire Line
	5900 3650 6600 3650
Wire Wire Line
	6600 4100 6600 5350
Wire Wire Line
	6900 3900 7100 3900
Wire Wire Line
	7400 3900 8050 3900
Wire Wire Line
	8200 4050 8200 5350
Wire Wire Line
	7750 3900 7750 4300
Connection ~ 7750 3900
Wire Wire Line
	7750 4600 7750 5350
Wire Wire Line
	8200 3250 8200 3750
Wire Wire Line
	8200 2450 8200 2950
$EndSCHEMATC