CurrentController.sch

EESchema Schematic File Version 2
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:BenchBuddy
LIBS:CE-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 9 9
Title ""
Date "30 sep 2013"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 10300 2850 2    60   Output ~ 0
FAN_OUT+
Text HLabel 10300 3050 2    60   Output ~ 0
FAN_OUT-
Text HLabel 10350 5000 2    60   Input ~ 0
TACH_IN
Text HLabel 9600 5000 0    60   Output ~ 0
TACH_MEAS
Text HLabel 3600 3300 0    60   Input ~ 0
/FAN_EN
$Comp
L LM324 U?
U 1 1 52443081
P 7850 2200
F 0 "U?" H 7900 2400 60  0000 C CNN
F 1 "LM324" H 8000 2000 50  0000 C CNN
F 2 "" H 7850 2200 60  0000 C CNN
F 3 "" H 7850 2200 60  0000 C CNN
	1    7850 2200
	1    0    0    -1  
$EndComp
$Comp
L MOSFET_N Q?
U 1 1 5244309F
P 9400 2200
F 0 "Q?" H 9410 2370 60  0000 R CNN
F 1 "MOSFET_N" H 9410 2050 60  0000 R CNN
F 2 "~" H 9400 2200 60  0000 C CNN
F 3 "~" H 9400 2200 60  0000 C CNN
	1    9400 2200
	1    0    0    -1  
$EndComp
$Comp
L +12V #PWR?
U 1 1 524430AE
P 9500 1750
F 0 "#PWR?" H 9500 1700 20  0001 C CNN
F 1 "+12V" H 9500 1850 30  0000 C CNN
F 2 "" H 9500 1750 60  0000 C CNN
F 3 "" H 9500 1750 60  0000 C CNN
	1    9500 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 2850 9500 2850
Wire Wire Line
	9500 2850 9500 2400
$Comp
L R R?
U 1 1 524430C8
P 9500 3550
F 0 "R?" V 9580 3550 40  0000 C CNN
F 1 "R" V 9507 3551 40  0000 C CNN
F 2 "~" V 9430 3550 30  0000 C CNN
F 3 "~" H 9500 3550 30  0000 C CNN
	1    9500 3550
	1    0    0    -1  
$EndComp
$Comp
L AGND #PWR?
U 1 1 524430D7
P 9500 4100
F 0 "#PWR?" H 9500 4100 40  0001 C CNN
F 1 "AGND" H 9500 4030 50  0000 C CNN
F 2 "" H 9500 4100 60  0000 C CNN
F 3 "" H 9500 4100 60  0000 C CNN
	1    9500 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 3800 9500 4100
Wire Wire Line
	9500 3050 9500 3300
Wire Wire Line
	7100 3050 10300 3050
Wire Wire Line
	7350 2300 7100 2300
Wire Wire Line
	7100 2300 7100 3050
Connection ~ 9500 3050
$Comp
L -12V #PWR?
U 1 1 52443110
P 7750 2800
F 0 "#PWR?" H 7750 2930 20  0001 C CNN
F 1 "-12V" H 7750 2900 30  0000 C CNN
F 2 "" H 7750 2800 60  0000 C CNN
F 3 "" H 7750 2800 60  0000 C CNN
	1    7750 2800
	-1   0    0    1   
$EndComp
Wire Wire Line
	7750 2800 7750 2600
$Comp
L +12V #PWR?
U 1 1 52443159
P 7750 1550
F 0 "#PWR?" H 7750 1500 20  0001 C CNN
F 1 "+12V" H 7750 1650 30  0000 C CNN
F 2 "" H 7750 1550 60  0000 C CNN
F 3 "" H 7750 1550 60  0000 C CNN
	1    7750 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 1550 7750 1800
Wire Wire Line
	8350 2200 9200 2200
$Comp
L +12V #PWR?
U 1 1 52443207
P 6350 1350
F 0 "#PWR?" H 6350 1300 20  0001 C CNN
F 1 "+12V" H 6350 1450 30  0000 C CNN
F 2 "" H 6350 1350 60  0000 C CNN
F 3 "" H 6350 1350 60  0000 C CNN
	1    6350 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 2100 7350 2100
$Comp
L R R?
U 1 1 52443219
P 6350 1750
F 0 "R?" V 6430 1750 40  0000 C CNN
F 1 "R" V 6357 1751 40  0000 C CNN
F 2 "~" V 6280 1750 30  0000 C CNN
F 3 "~" H 6350 1750 30  0000 C CNN
	1    6350 1750
	1    0    0    -1  
$EndComp
$Comp
L POT RV?
U 1 1 52443235
P 6350 2550
F 0 "RV?" H 6350 2450 50  0000 C CNN
F 1 "POT" H 6350 2550 50  0000 C CNN
F 2 "~" H 6350 2550 60  0000 C CNN
F 3 "~" H 6350 2550 60  0000 C CNN
	1    6350 2550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6350 2000 6350 2300
Connection ~ 6350 2100
Wire Wire Line
	6350 1350 6350 1500
$Comp
L AGND #PWR?
U 1 1 5244327C
P 6350 2950
F 0 "#PWR?" H 6350 2950 40  0001 C CNN
F 1 "AGND" H 6350 2880 50  0000 C CNN
F 2 "" H 6350 2950 60  0000 C CNN
F 3 "" H 6350 2950 60  0000 C CNN
	1    6350 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6350 2800 6350 2950
Wire Wire Line
	9500 2000 9500 1750
$Comp
L MCP4922-E/P U?
U 1 1 5244346A
P 4900 2250
F 0 "U?" H 5050 2650 40  0000 L BNN
F 1 "MCP4922-E/P" H 5050 2600 40  0000 L BNN
F 2 "DIP14" H 4900 2250 30  0000 C CIN
F 3 "" H 4900 2250 60  0000 C CNN
	1    4900 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 5000 9600 5000
Text HLabel 8800 3200 0    60   Output ~ 0
CURR_MEAS
Wire Wire Line
	8800 3200 9500 3200
Connection ~ 9500 3200
$Comp
L R R?
U 1 1 52443794
P 6750 2550
F 0 "R?" V 6830 2550 40  0000 C CNN
F 1 "R" V 6757 2551 40  0000 C CNN
F 2 "~" V 6680 2550 30  0000 C CNN
F 3 "~" H 6750 2550 30  0000 C CNN
	1    6750 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6750 3300 6750 2800
Wire Wire Line
	3600 3300 6750 3300
Wire Wire Line
	6750 2300 6750 2100
Connection ~ 6750 2100
$Comp
L R R?
U 1 1 52443869
P 5900 2100
F 0 "R?" V 5980 2100 40  0000 C CNN
F 1 "R" V 5907 2101 40  0000 C CNN
F 2 "~" V 5830 2100 30  0000 C CNN
F 3 "~" H 5900 2100 30  0000 C CNN
	1    5900 2100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5450 2100 5650 2100
Text HLabel 3600 2050 0    60   Input ~ 0
MOSI
Text HLabel 3600 2350 0    60   Output ~ 0
MISO
Text HLabel 3600 2250 0    60   Input ~ 0
/CS
Text HLabel 3600 2150 0    60   Input ~ 0
SCLK
Wire Wire Line
	3600 2050 4350 2050
Wire Wire Line
	3600 2150 4350 2150
Wire Wire Line
	3600 2250 4350 2250
$Comp
L R R?
U 1 1 52443A44
P 4350 2850
F 0 "R?" V 4430 2850 40  0000 C CNN
F 1 "R" V 4357 2851 40  0000 C CNN
F 2 "~" V 4280 2850 30  0000 C CNN
F 3 "~" H 4350 2850 30  0000 C CNN
	1    4350 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 2600 4350 2450
Wire Wire Line
	4350 3100 4350 3300
Connection ~ 4350 3300
$EndSCHEMATC