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EESchema Schematic File Version 2 date Son 24 Jun 2012 16:52:02 CEST
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
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:mur-sat
LIBS:battmon-cache
EELAYER 24 0
EELAYER END
$Descr A4 11700 8267
Sheet 1 1
Title "Battery Monitor"
Date "24 jun 2012"
Rev "1"
Comp "mur.sat - A Space Art Project"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
3050 3100 3800 3100
Wire Wire Line
3800 3200 3750 3200
Wire Wire Line
6950 3000 6950 3200
Wire Wire Line
6550 3900 6550 3700
Wire Wire Line
6550 3900 6650 3900
Wire Wire Line
3100 3350 3100 3300
Wire Wire Line
3100 3300 3050 3300
Connection ~ 4800 3000
Wire Wire Line
5450 3200 5400 3200
Wire Wire Line
6950 3600 6950 3650
Wire Wire Line
4800 3550 4800 3600
Wire Wire Line
4950 3000 4950 3050
Wire Wire Line
6550 3200 6550 3000
Connection ~ 4950 3700
Wire Wire Line
4950 3550 4950 3700
Wire Wire Line
5900 3950 5900 3900
Wire Wire Line
6550 3200 6450 3200
Wire Wire Line
6550 3700 6450 3700
Wire Wire Line
5450 3700 4700 3700
Wire Wire Line
4800 3000 4800 3050
Wire Wire Line
5450 3600 4700 3600
Connection ~ 4800 3600
Connection ~ 4950 3000
Wire Wire Line
3050 3000 6950 3000
Connection ~ 6550 3000
Wire Wire Line
6650 4300 6550 4300
Wire Wire Line
6550 4300 6550 4350
Wire Wire Line
3250 3200 3050 3200
Wire Wire Line
3800 2900 3050 2900
$Comp
L R R4
U 1 1 4FE727BE
P 3500 3200
F 0 "R4" V 3600 3200 50 0000 C CNN
F 1 "0R0" V 3500 3200 50 0000 C CNN
1 3500 3200
0 1 1 0
$EndComp
Text Label 6550 4300 2 60 ~ 0
-
Text Label 6550 3900 2 60 ~ 0
+
Text Label 3800 3000 0 60 ~ 0
PWR
$Comp
L CONN_1 P3
U 1 1 4FE64398
P 6800 4300
F 0 "P3" H 6880 4300 40 0000 L CNN
F 1 "-" H 6800 4355 30 0001 C CNN
1 6800 4300
1 0 0 -1
$EndComp
$Comp
L CONN_1 P2
U 1 1 4FE6438F
P 6800 3900
F 0 "P2" H 6880 3900 40 0000 L CNN
F 1 "+" H 6800 3955 30 0001 C CNN
1 6800 3900
1 0 0 -1
$EndComp
$Comp
L GND #PWR01
U 1 1 4FE64367
P 3100 3350
F 0 "#PWR01" H 3100 3350 30 0001 C CNN
F 1 "GND" H 3100 3280 30 0001 C CNN
1 3100 3350
1 0 0 -1
$EndComp
Text Label 3800 2900 0 60 ~ 0
SDA
Text Label 3800 3100 0 60 ~ 0
SCL
Text Label 3800 3200 0 60 ~ 0
ALARM
$Comp
L CONN_5 P1
U 1 1 4FE642F8
P 2650 3100
F 0 "P1" V 2600 3100 50 0000 C CNN
F 1 "BATT" V 2700 3100 50 0000 C CNN
1 2650 3100
-1 0 0 -1
$EndComp
Text Label 5400 3200 2 60 ~ 0
ALARM
$Comp
L GND #PWR02
U 1 1 4F71D423
P 6950 3650
F 0 "#PWR02" H 6950 3650 30 0001 C CNN
F 1 "GND" H 6950 3580 30 0001 C CNN
1 6950 3650
1 0 0 -1
$EndComp
$Comp
L C C1
U 1 1 4F71D412
P 6950 3400
F 0 "C1" H 6850 3500 50 0000 L CNN
F 1 "100nF" H 6700 3300 50 0000 L CNN
1 6950 3400
-1 0 0 1
$EndComp
$Comp
L R R1
U 1 1 4F71C70E
P 4800 3300
F 0 "R1" V 4700 3300 50 0000 C CNN
F 1 "3k3" V 4800 3300 50 0000 C CNN
1 4800 3300
1 0 0 -1
$EndComp
$Comp
L R R2
U 1 1 4F71C709
P 4950 3300
F 0 "R2" V 5030 3300 50 0000 C CNN
F 1 "3k3" V 4950 3300 50 0000 C CNN
1 4950 3300
1 0 0 -1
$EndComp
$Comp
L GND #PWR03
U 1 1 4F7106EC
P 5900 3950
F 0 "#PWR03" H 5900 3950 30 0001 C CNN
F 1 "GND" H 5900 3880 30 0001 C CNN
1 5900 3950
1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 4F710666
P 6550 3450
F 0 "R3" V 6630 3450 50 0000 C CNN
F 1 "10m/1W" V 6550 3450 50 0000 C CNN
1 6550 3450
1 0 0 -1
$EndComp
Text Label 4700 3700 2 60 ~ 0
SDA
$Comp
L LTC2942 U1
U 1 1 4F7103BE
P 5950 3450
F 0 "U1" H 5950 3500 60 0000 C CNN
F 1 "LTC2942" H 5950 3400 60 0000 C CNN
1 5950 3450
1 0 0 -1
$EndComp
Text Label 4700 3600 2 60 ~ 0
SCL
$Comp
L GND #PWR04
U 1 1 4F54279E
P 6550 4350
F 0 "#PWR04" H 6550 4350 30 0001 C CNN
F 1 "GND" H 6550 4280 30 0001 C CNN
1 6550 4350
1 0 0 -1
$EndComp
$EndSCHEMATC
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