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EESchema Schematic File Version 2  date 4/18/2014 9:49:53 PM
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:BenchBuddy-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 9
Title ""
Date "19 apr 2014"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 10450 1950 2    60   Output ~ 0
FAN_OUT+
Text HLabel 10450 2200 2    60   Output ~ 0
FAN_OUT-
Text HLabel 10700 6550 2    60   Input ~ 0
TACH_IN
Text HLabel 1550 6550 0    60   Output ~ 0
TACH_MEAS
Text HLabel 1400 4150 0    60   Input ~ 0
FAN_PWM
$Comp
L LM324 U4
U 2 1 52369784
P 6250 3100
F 0 "U4" H 6300 3300 60  0000 C CNN
F 1 "OPA4170" H 6400 2900 50  0000 C CNN
F 2 "SO14N" H 6250 3100 60  0000 C CNN
F 3 "" H 6250 3100 60  0000 C CNN
	2    6250 3100
	1    0    0    -1  
$EndComp
$Comp
L R R16
U 1 1 523697E7
P 7900 4950
F 0 "R16" V 7980 4950 40  0000 C CNN
F 1 "1" V 7907 4951 40  0000 C CNN
F 2 "SM1206-NO" V 7830 4950 30  0000 C CNN
F 3 "~" H 7900 4950 30  0000 C CNN
	1    7900 4950
	1    0    0    -1  
$EndComp
Text HLabel 1450 4500 0    60   Output ~ 0
CURR_MEAS
$Comp
L R R15
U 1 1 52369992
P 3300 3000
F 0 "R15" V 3380 3000 40  0000 C CNN
F 1 "0" V 3307 3001 40  0000 C CNN
F 2 "SM0805" V 3230 3000 30  0000 C CNN
F 3 "~" H 3300 3000 30  0000 C CNN
	1    3300 3000
	0    -1   -1   0   
$EndComp
Text HLabel 1000 3050 0    60   Input ~ 0
MOSI
Text HLabel 1000 2750 0    60   Input ~ 0
CS_N
Text HLabel 1000 2900 0    60   Input ~ 0
SCLK
$Comp
L THERMISTOR TH5
U 1 1 5243899F
P 7900 1400
F 0 "TH5" V 8000 1450 50  0000 C CNN
F 1 "MINISMDC050F-2" V 7800 1400 50  0000 C CNN
F 2 "SM1812" H 7900 1400 60  0000 C CNN
F 3 "~" H 7900 1400 60  0000 C CNN
F 4 "TE Connectivity" H 7900 1400 60  0001 C CNN "MFG Name"
F 5 "MINISMDC050F-2" H 7900 1400 60  0001 C CNN "MFG Part Number"
	1    7900 1400
	1    0    0    -1  
$EndComp
$Comp
L DIODE D4
U 1 1 52438A1C
P 7450 2050
F 0 "D4" H 7450 2150 40  0000 C CNN
F 1 "B130-13-F" H 7450 1950 40  0000 C CNN
F 2 "SMA" H 7450 2050 60  0000 C CNN
F 3 "~" H 7450 2050 60  0000 C CNN
F 4 "Diodes Inc" H 7450 2050 60  0001 C CNN "MFG Name"
F 5 "B130-13-F" H 7450 2050 60  0001 C CNN "MFG Part Number"
	1    7450 2050
	0    -1   -1   0   
$EndComp
$Comp
L MOSFET_N Q2
U 1 1 52438CB2
P 4600 3400
F 0 "Q2" H 4610 3570 60  0000 R CNN
F 1 "DMN65D8L-7" H 4610 3250 60  0000 R CNN
F 2 "SOT23GDS" H 4600 3400 60  0000 C CNN
F 3 "~" H 4600 3400 60  0000 C CNN
F 4 "Diodes Inc" H 4600 3400 60  0001 C CNN "MFG Name"
F 5 "DMN65D8L-7" H 4600 3400 60  0001 C CNN "MFG Part Number"
	1    4600 3400
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$EndComp
Wire Wire Line
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Wire Wire Line
	7900 5200 7900 5550
Wire Wire Line
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Wire Wire Line
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Connection ~ 7900 4300
Wire Wire Line
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Wire Wire Line
	3550 3000 5750 3000
Wire Wire Line
	1450 4500 7900 4500
Connection ~ 7900 4500
Wire Wire Line
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Wire Wire Line
	3000 3000 3050 3000
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	10450 2200 7900 2200
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	7450 2350 7450 2250
Connection ~ 7900 2350
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	7900 1750 7900 1700
Connection ~ 7900 1700
Wire Wire Line
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Wire Wire Line
	7500 4600 7900 4600
Connection ~ 7900 4600
Wire Wire Line
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Wire Wire Line
	7500 5300 7500 5150
Connection ~ 7900 5300
Wire Wire Line
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Wire Wire Line
	4400 3400 3300 3400
Wire Wire Line
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Wire Wire Line
	4700 3200 4700 3000
Connection ~ 4700 3000
Wire Wire Line
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Text HLabel 1450 4950 0    60   Input ~ 0
FAN_MODE
$Comp
L +12C #PWR032
U 1 1 5243907A
P 7900 1000
F 0 "#PWR032" H 7900 970 30  0001 C CNN
F 1 "+12C" H 7900 1110 40  0000 C CNN
F 2 "~" H 7900 1000 60  0000 C CNN
F 3 "~" H 7900 1000 60  0000 C CNN
	1    7900 1000
	1    0    0    -1  
$EndComp
$Comp
L MCP4801 U5
U 1 1 525B0EF5
P 2000 2750
F 0 "U5" H 2350 1950 60  0000 C CNN
F 1 "MCP4801" H 2100 2500 60  0000 C CNN
F 2 "SO8N" H 2000 2750 60  0000 C CNN
F 3 "" H 2000 2750 60  0000 C CNN
	1    2000 2750
	1    0    0    -1  
$EndComp
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Wire Wire Line
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Wire Wire Line
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Text HLabel 1000 3200 0    60   Input ~ 0
~LDAC
Wire Wire Line
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Text HLabel 1000 3350 0    60   Input ~ 0
~SHDN
Wire Wire Line
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$Comp
L C C12
U 1 1 525C14EF
P 1700 1950
F 0 "C12" H 1700 2050 40  0000 L CNN
F 1 "1U" H 1706 1865 40  0000 L CNN
F 2 "SM0805" H 1738 1800 30  0000 C CNN
F 3 "~" H 1700 1950 60  0000 C CNN
	1    1700 1950
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2000 1700 2000 2200
Wire Wire Line
	2000 1950 1900 1950
Connection ~ 2000 1950
Wire Wire Line
	1350 2050 1350 1950
Wire Wire Line
	1350 1950 1500 1950
$Comp
L +5V #PWR033
U 1 1 525C1500
P 2000 1700
F 0 "#PWR033" H 2000 1790 20  0001 C CNN
F 1 "+5V" H 2000 1790 30  0000 C CNN
F 2 "~" H 2000 1700 60  0000 C CNN
F 3 "~" H 2000 1700 60  0000 C CNN
	1    2000 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
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$Comp
L C C13
U 1 1 525C19B8
P 8250 1100
F 0 "C13" H 8250 1200 40  0000 L CNN
F 1 "1U" H 8256 1015 40  0000 L CNN
F 2 "SM0805" H 8288 950 30  0000 C CNN
F 3 "~" H 8250 1100 60  0000 C CNN
	1    8250 1100
	0    -1   -1   0   
$EndComp
Wire Wire Line
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Connection ~ 7900 1100
Wire Wire Line
	8450 1100 8600 1100
Wire Wire Line
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$Comp
L MOS_N_NUM Q4
U 1 1 525B42A5
P 7800 3100
F 0 "Q4" H 7810 3270 60  0000 R CNN
F 1 "AOD476" H 7810 2950 60  0000 R CNN
F 2 "DPAK2-BB" H 7800 3100 60  0000 C CNN
F 3 "~" H 7800 3100 60  0000 C CNN
F 4 "Alpha and Omega" H 7800 3100 60  0001 C CNN "MFG Name"
F 5 "AOD476" H 7800 3100 60  0001 C CNN "MFG Part Number"
	1    7800 3100
	1    0    0    -1  
$EndComp
$Comp
L MOS_N_NUM Q3
U 1 1 525B433B
P 7400 4950
F 0 "Q3" H 7410 5120 60  0000 R CNN
F 1 "AOD476" H 7410 4800 60  0000 R CNN
F 2 "DPAK2-BB" H 7400 4950 60  0000 C CNN
F 3 "~" H 7400 4950 60  0000 C CNN
F 4 "Alpha and Omega" H 7400 4950 60  0001 C CNN "MFG Name"
F 5 "AOD476" H 7400 4950 60  0001 C CNN "MFG Part Number"
	1    7400 4950
	1    0    0    -1  
$EndComp
$Comp
L FE_V+ #PWR034
U 1 1 526E03BB
P 6150 2550
F 0 "#PWR034" H 6150 2650 30  0001 C CNN
F 1 "FE_V+" H 6150 2650 30  0000 C CNN
F 2 "~" H 6150 2550 60  0000 C CNN
F 3 "~" H 6150 2550 60  0000 C CNN
	1    6150 2550
	1    0    0    -1  
$EndComp
$Comp
L FE_V- #PWR42
U 1 1 526E03C1
P 6150 3700
F 0 "#PWR42" H 6150 3900 40  0001 C CNN
F 1 "FE_V-" H 6150 3850 40  0000 C CNN
F 2 "~" H 6150 3700 60  0000 C CNN
F 3 "~" H 6150 3700 60  0000 C CNN
	1    6150 3700
	-1   0    0    1   
$EndComp
Wire Wire Line
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$Comp
L AGND #PWR035
U 1 1 527EEACF
P 4700 4350
F 0 "#PWR035" H 4700 4350 40  0001 C CNN
F 1 "AGND" H 4700 4280 50  0000 C CNN
F 2 "~" H 4700 4350 60  0000 C CNN
F 3 "~" H 4700 4350 60  0000 C CNN
	1    4700 4350
	1    0    0    -1  
$EndComp
$Comp
L AGND #PWR036
U 1 1 527EEAEB
P 7900 5550
F 0 "#PWR036" H 7900 5550 40  0001 C CNN
F 1 "AGND" H 7900 5480 50  0000 C CNN
F 2 "~" H 7900 5550 60  0000 C CNN
F 3 "~" H 7900 5550 60  0000 C CNN
	1    7900 5550
	1    0    0    -1  
$EndComp
$Comp
L AGND #PWR037
U 1 1 527EEAF1
P 2000 3950
F 0 "#PWR037" H 2000 3950 40  0001 C CNN
F 1 "AGND" H 2000 3880 50  0000 C CNN
F 2 "~" H 2000 3950 60  0000 C CNN
F 3 "~" H 2000 3950 60  0000 C CNN
	1    2000 3950
	1    0    0    -1  
$EndComp
$Comp
L AGND #PWR038
U 1 1 527EEAF7
P 1350 2050
F 0 "#PWR038" H 1350 2050 40  0001 C CNN
F 1 "AGND" H 1350 1980 50  0000 C CNN
F 2 "~" H 1350 2050 60  0000 C CNN
F 3 "~" H 1350 2050 60  0000 C CNN
	1    1350 2050
	1    0    0    -1  
$EndComp
$Comp
L AGND #PWR039
U 1 1 527EEAFD
P 8600 1400
F 0 "#PWR039" H 8600 1400 40  0001 C CNN
F 1 "AGND" H 8600 1330 50  0000 C CNN
F 2 "~" H 8600 1400 60  0000 C CNN
F 3 "~" H 8600 1400 60  0000 C CNN
	1    8600 1400
	1    0    0    -1  
$EndComp
$Comp
L CONN_1 TP10
U 1 1 52B283CC
P 5150 2700
F 0 "TP10" H 5230 2700 40  0000 L CNN
F 1 "DAC_OUT" H 5150 2755 30  0001 C CNN
F 2 "TestPointTH" H 5150 2700 60  0000 C CNN
F 3 "" H 5150 2700 60  0000 C CNN
	1    5150 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
	4800 2700 4800 3000
Connection ~ 4800 3000
$Comp
L R R62
U 1 1 5301A403
P 7200 3100
F 0 "R62" V 7280 3100 40  0000 C CNN
F 1 "0" V 7207 3101 40  0000 C CNN
F 2 "SM0805" V 7130 3100 30  0000 C CNN
F 3 "~" H 7200 3100 30  0000 C CNN
	1    7200 3100
	0    -1   -1   0   
$EndComp
Wire Wire Line
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Wire Wire Line
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$Comp
L C C32
U 1 1 5301A4CA
P 6800 3650
F 0 "C32" H 6800 3750 40  0000 L CNN
F 1 "NOPOP" H 6806 3565 40  0000 L CNN
F 2 "SM0805" H 6838 3500 30  0000 C CNN
F 3 "~" H 6800 3650 60  0000 C CNN
	1    6800 3650
	-1   0    0    1   
$EndComp
Wire Wire Line
	6800 3100 6800 3450
Connection ~ 6800 3100
Wire Wire Line
	6800 3850 6800 4300
Connection ~ 6800 4300
$Comp
L R R63
U 1 1 5301A5DD
P 7300 4300
F 0 "R63" V 7380 4300 40  0000 C CNN
F 1 "0" V 7307 4301 40  0000 C CNN
F 2 "SM0805" V 7230 4300 30  0000 C CNN
F 3 "~" H 7300 4300 30  0000 C CNN
	1    7300 4300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7900 4300 7550 4300
Wire Wire Line
	5350 4300 7050 4300
$Comp
L C C33
U 1 1 5301A6BE
P 7150 2050
F 0 "C33" H 7150 2150 40  0000 L CNN
F 1 "1U" H 7156 1965 40  0000 L CNN
F 2 "SM0805" H 7188 1900 30  0000 C CNN
F 3 "~" H 7150 2050 60  0000 C CNN
	1    7150 2050
	-1   0    0    1   
$EndComp
Wire Wire Line
	7150 1750 7150 1850
Connection ~ 7450 1750
Wire Wire Line
	7150 2250 7150 2350
Connection ~ 7450 2350
$Comp
L R R61
U 1 1 5301A7E0
P 4700 3950
F 0 "R61" V 4780 3950 40  0000 C CNN
F 1 "0" V 4707 3951 40  0000 C CNN
F 2 "SM0805" V 4630 3950 30  0000 C CNN
F 3 "~" H 4700 3950 30  0000 C CNN
	1    4700 3950
	-1   0    0    1   
$EndComp
Wire Wire Line
	4700 3600 4700 3700
Wire Wire Line
	4700 4200 4700 4350
$EndSCHEMATC