EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 8
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:+12V #PWR073
U 1 1 60E341D3
P 4600 3100
F 0 "#PWR073" H 4600 2950 50  0001 C CNN
F 1 "+12V" H 4615 3273 50  0000 C CNN
F 2 "" H 4600 3100 50  0001 C CNN
F 3 "" H 4600 3100 50  0001 C CNN
	1    4600 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR074
U 1 1 60E344EB
P 4600 5000
F 0 "#PWR074" H 4600 4750 50  0001 C CNN
F 1 "GND" H 4605 4827 50  0000 C CNN
F 2 "" H 4600 5000 50  0001 C CNN
F 3 "" H 4600 5000 50  0001 C CNN
	1    4600 5000
	1    0    0    -1  
$EndComp
$Comp
L SI4425DDY:SI4425DDY-T1-GE3 Q?
U 1 1 60F5F01A
P 5400 3800
AR Path="/60C2FE2A/60F5F01A" Ref="Q?"  Part="1" 
AR Path="/60E3407A/60F5F01A" Ref="Q6"  Part="1" 
F 0 "Q6" V 6189 3700 50  0000 C CNN
F 1 "SI4425DDY-T1-GE3" V 6280 3700 50  0000 C CNN
F 2 "SI4425DDY:Vishay-C-06527-09_2006-I-0" H 5400 4300 50  0001 L CNN
F 3 "http://www.vishay.com/docs/64732/si4425dd.pdf" H 5400 4400 50  0001 L CNN
F 4 "Trans" H 5400 4500 50  0001 L CNN "category"
F 5 "-13A" H 5400 4600 50  0001 L CNN "continuous drain current"
F 6 "Discrete Semiconductors" H 5400 4700 50  0001 L CNN "device class L1"
F 7 "Transistors" H 5400 4800 50  0001 L CNN "device class L2"
F 8 "MOSFETs" H 5400 4900 50  0001 L CNN "device class L3"
F 9 "MOSFET P-CH 30V 19.7A 8-SOIC" H 5400 5000 50  0001 L CNN "digikey description"
F 10 "SI4425DDY-T1-GE3CT-ND" H 5400 5100 50  0001 L CNN "digikey part number"
F 11 "-30V" H 5400 5200 50  0001 L CNN "drain to source breakdown voltage"
F 12 "0.0081Ω" H 5400 5300 50  0001 L CNN "drain to source resistance"
F 13 "-30V" H 5400 5400 50  0001 L CNN "drain to source voltage"
F 14 "20V" H 5400 5500 50  0001 L CNN "gate to source voltage"
F 15 "1.75mm" H 5400 5600 50  0001 L CNN "height"
F 16 "2610pF @ -15V" H 5400 5700 50  0001 L CNN "input capacitace at vds"
F 17 "yes" H 5400 5800 50  0001 L CNN "lead free"
F 18 "e8ffa996ad20234c" H 5400 5900 50  0001 L CNN "library id"
F 19 "Vishay" H 5400 6000 50  0001 L CNN "manufacturer"
F 20 "+150°C" H 5400 6100 50  0001 L CNN "max junction temp"
F 21 "MOSFET 30V 19.7A 5.7W 9.8mohm @ 10V" H 5400 6200 50  0001 L CNN "mouser description"
F 22 "781-SI4425DDY-GE3" H 5400 6300 50  0001 L CNN "mouser part number"
F 23 "1" H 5400 6400 50  0001 L CNN "number of P channels"
F 24 "1" H 5400 6500 50  0001 L CNN "number of channels"
F 25 "SO-8" H 5400 6600 50  0001 L CNN "package"
F 26 "2.5W" H 5400 6700 50  0001 L CNN "power dissipation"
F 27 "yes" H 5400 6800 50  0001 L CNN "rohs"
F 28 "0.1mm" H 5400 6900 50  0001 L CNN "standoff height"
F 29 "MOSFET" H 5400 7000 50  0001 L CNN "technology"
F 30 "+150°C" H 5400 7100 50  0001 L CNN "temperature range high"
F 31 "-55°C" H 5400 7200 50  0001 L CNN "temperature range low"
F 32 "-1.2V" H 5400 7300 50  0001 L CNN "threshold vgs"
F 33 "42ns" H 5400 7400 50  0001 L CNN "turn off delay time"
F 34 "12ns" H 5400 7500 50  0001 L CNN "turn on delay time"
	1    5400 3800
	0    -1   -1   0   
$EndComp
$Comp
L Device:Q_NPN_BEC Q5
U 1 1 60F73A02
P 4500 4500
F 0 "Q5" H 4690 4546 50  0000 L CNN
F 1 "PMBT3904" H 4690 4455 50  0000 L CNN
F 2 "" H 4700 4600 50  0001 C CNN
F 3 "~" H 4500 4500 50  0001 C CNN
	1    4500 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R116
U 1 1 60F7CC07
P 4600 3550
F 0 "R116" H 4670 3596 50  0000 L CNN
F 1 "10k" H 4670 3505 50  0000 L CNN
F 2 "" V 4530 3550 50  0001 C CNN
F 3 "~" H 4600 3550 50  0001 C CNN
	1    4600 3550
	1    0    0    -1  
$EndComp
$Comp
L Diode:BZX84Cxx D15
U 1 1 60F888E6
P 4900 3550
F 0 "D15" V 4854 3630 50  0000 L CNN
F 1 "BZX584C9V1" V 4945 3630 50  0000 L CNN
F 2 "Diode_SMD:D_SOT-23_ANK" H 4900 3375 50  0001 C CNN
F 3 "https://diotec.com/tl_files/diotec/files/pdf/datasheets/bzx84c2v4.pdf" H 4900 3550 50  0001 C CNN
	1    4900 3550
	0    1    1    0   
$EndComp
$Comp
L Device:R R115
U 1 1 60F8DC46
P 4150 4700
F 0 "R115" V 4357 4700 50  0000 C CNN
F 1 "10k" V 4266 4700 50  0000 C CNN
F 2 "" V 4080 4700 50  0001 C CNN
F 3 "~" H 4150 4700 50  0001 C CNN
	1    4150 4700
	-1   0    0    1   
$EndComp
$Comp
L Device:R R114
U 1 1 60F8FB89
P 3850 4500
F 0 "R114" H 3920 4546 50  0000 L CNN
F 1 "1k" H 3920 4455 50  0000 L CNN
F 2 "" V 3780 4500 50  0001 C CNN
F 3 "~" H 3850 4500 50  0001 C CNN
	1    3850 4500
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C46
U 1 1 60F975CA
P 3500 4700
F 0 "C46" H 3615 4746 50  0000 L CNN
F 1 "47pF" H 3615 4655 50  0000 L CNN
F 2 "" H 3538 4550 50  0001 C CNN
F 3 "~" H 3500 4700 50  0001 C CNN
	1    3500 4700
	1    0    0    -1  
$EndComp
$Comp
L Device:L L2
U 1 1 60F9B28D
P 3150 4500
F 0 "L2" V 3340 4500 50  0000 C CNN
F 1 "150mH" V 3249 4500 50  0000 C CNN
F 2 "" H 3150 4500 50  0001 C CNN
F 3 "~" H 3150 4500 50  0001 C CNN
	1    3150 4500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5800 3400 5900 3400
Wire Wire Line
	5900 3400 5900 3300
Wire Wire Line
	5900 3100 5800 3100
Wire Wire Line
	5800 3200 5900 3200
Connection ~ 5900 3200
Wire Wire Line
	5900 3200 5900 3100
Wire Wire Line
	5800 3300 5900 3300
Connection ~ 5900 3300
Wire Wire Line
	5900 3300 5900 3200
Wire Wire Line
	5200 3200 5100 3200
Wire Wire Line
	5100 3200 5100 3300
Wire Wire Line
	5100 3400 5200 3400
Wire Wire Line
	5200 3300 5100 3300
Connection ~ 5100 3300
Wire Wire Line
	5100 3300 5100 3400
Wire Wire Line
	4600 3400 4600 3300
Wire Wire Line
	4600 3300 4900 3300
Wire Wire Line
	4900 3400 4900 3300
Connection ~ 4900 3300
Wire Wire Line
	4900 3300 5100 3300
Wire Wire Line
	4600 3100 4600 3300
Connection ~ 4600 3300
Wire Wire Line
	4600 3700 4600 3800
Wire Wire Line
	4600 3800 4900 3800
Wire Wire Line
	5400 3800 5400 3700
Wire Wire Line
	4900 3700 4900 3800
Connection ~ 4900 3800
Wire Wire Line
	4900 3800 5400 3800
$Comp
L Device:R R117
U 1 1 60FAE04E
P 4600 4050
F 0 "R117" H 4670 4096 50  0000 L CNN
F 1 "1k" H 4670 4005 50  0000 L CNN
F 2 "" V 4530 4050 50  0001 C CNN
F 3 "~" H 4600 4050 50  0001 C CNN
	1    4600 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 3900 4600 3800
Connection ~ 4600 3800
Wire Wire Line
	4600 4200 4600 4300
Wire Wire Line
	4600 4650 4600 4700
Connection ~ 4600 4700
Wire Wire Line
	4600 4700 4600 4900
Wire Wire Line
	4000 4500 4150 4500
Wire Wire Line
	4150 4850 4150 4900
Wire Wire Line
	4150 4900 4600 4900
Connection ~ 4600 4900
Wire Wire Line
	4600 4900 4600 5000
Wire Wire Line
	4150 4550 4150 4500
Connection ~ 4150 4500
Wire Wire Line
	4150 4500 4300 4500
Wire Wire Line
	3700 4500 3500 4500
Wire Wire Line
	3500 4550 3500 4500
Connection ~ 3500 4500
Wire Wire Line
	3500 4500 3300 4500
Wire Wire Line
	3500 4850 3500 4900
Wire Wire Line
	3500 4900 4150 4900
Connection ~ 4150 4900
$Comp
L Device:R R118
U 1 1 60FB945B
P 5900 4350
F 0 "R118" V 5693 4350 50  0000 C CNN
F 1 "1/1%/4W" V 5784 4350 50  0000 C CNN
F 2 "" V 5830 4350 50  0001 C CNN
F 3 "~" H 5900 4350 50  0001 C CNN
	1    5900 4350
	-1   0    0    1   
$EndComp
Text HLabel 2850 4500 0    50   Input ~ 0
12V_SW
Wire Wire Line
	3000 4500 2850 4500
$Comp
L Amplifier_Operational:LMV321 U15
U 1 1 60FC6080
P 7550 4100
F 0 "U15" H 7894 4146 50  0000 L CNN
F 1 "LMV321" H 7894 4055 50  0000 L CNN
F 2 "" H 7550 4100 50  0001 L CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 7550 4100 50  0001 C CNN
	1    7550 4100
	1    0    0    -1  
$EndComp
$Comp
L Device:R R119
U 1 1 60FC6B88
P 6800 4000
F 0 "R119" V 6593 4000 50  0000 C CNN
F 1 "2k" V 6684 4000 50  0000 C CNN
F 2 "" V 6730 4000 50  0001 C CNN
F 3 "~" H 6800 4000 50  0001 C CNN
	1    6800 4000
	0    1    1    0   
$EndComp
$Comp
L Device:R R120
U 1 1 60FCBC80
P 6800 4750
F 0 "R120" V 6593 4750 50  0000 C CNN
F 1 "2k" V 6684 4750 50  0000 C CNN
F 2 "" V 6730 4750 50  0001 C CNN
F 3 "~" H 6800 4750 50  0001 C CNN
	1    6800 4750
	0    1    1    0   
$EndComp
$Comp
L Device:R R121
U 1 1 60FCCF2E
P 7900 4750
F 0 "R121" V 7693 4750 50  0000 C CNN
F 1 "20k" V 7784 4750 50  0000 C CNN
F 2 "" V 7830 4750 50  0001 C CNN
F 3 "~" H 7900 4750 50  0001 C CNN
	1    7900 4750
	0    1    1    0   
$EndComp
$Comp
L Device:C C47
U 1 1 60FDCA77
P 6300 4350
F 0 "C47" H 6415 4396 50  0000 L CNN
F 1 "1000pF" H 6415 4305 50  0000 L CNN
F 2 "" H 6338 4200 50  0001 C CNN
F 3 "~" H 6300 4350 50  0001 C CNN
	1    6300 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 4000 7250 4000
Wire Wire Line
	6300 4200 6300 4000
Wire Wire Line
	6300 4000 6650 4000
Wire Wire Line
	6300 4500 6300 4750
Wire Wire Line
	6300 4750 6650 4750
Wire Wire Line
	6950 4750 7150 4750
Wire Wire Line
	7150 4750 7150 4200
Wire Wire Line
	7150 4200 7250 4200
Wire Wire Line
	7150 4750 7750 4750
Connection ~ 7150 4750
Wire Wire Line
	8050 4750 8250 4750
Wire Wire Line
	8250 4750 8250 4100
Wire Wire Line
	8250 4100 7850 4100
$Comp
L power:GND #PWR076
U 1 1 60FE27EF
P 7450 4500
F 0 "#PWR076" H 7450 4250 50  0001 C CNN
F 1 "GND" H 7455 4327 50  0000 C CNN
F 2 "" H 7450 4500 50  0001 C CNN
F 3 "" H 7450 4500 50  0001 C CNN
	1    7450 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3700 7450 3800
Wire Wire Line
	7450 4400 7450 4500
Wire Wire Line
	8250 4100 8650 4100
Connection ~ 8250 4100
$Comp
L power:+3V3 #PWR075
U 1 1 60FEADD5
P 7450 3300
F 0 "#PWR075" H 7450 3150 50  0001 C CNN
F 1 "+3V3" H 7465 3473 50  0000 C CNN
F 2 "" H 7450 3300 50  0001 C CNN
F 3 "" H 7450 3300 50  0001 C CNN
	1    7450 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:L L5
U 1 1 60FEB56F
P 7450 3550
F 0 "L5" H 7503 3596 50  0000 L CNN
F 1 "220" H 7503 3505 50  0000 L CNN
F 2 "" H 7450 3550 50  0001 C CNN
F 3 "~" H 7450 3550 50  0001 C CNN
	1    7450 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3300 7450 3350
$Comp
L Device:C C48
U 1 1 60FF4D01
P 7800 3550
F 0 "C48" H 7915 3596 50  0000 L CNN
F 1 "10uF" H 7915 3505 50  0000 L CNN
F 2 "" H 7838 3400 50  0001 C CNN
F 3 "~" H 7800 3550 50  0001 C CNN
	1    7800 3550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR077
U 1 1 60FF59CD
P 7800 3750
F 0 "#PWR077" H 7800 3500 50  0001 C CNN
F 1 "GND" H 7805 3577 50  0000 C CNN
F 2 "" H 7800 3750 50  0001 C CNN
F 3 "" H 7800 3750 50  0001 C CNN
	1    7800 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 3400 7800 3350
Wire Wire Line
	7800 3350 7450 3350
Connection ~ 7450 3350
Wire Wire Line
	7450 3350 7450 3400
Wire Wire Line
	7800 3750 7800 3700
Wire Wire Line
	5900 3400 5900 4000
Connection ~ 5900 3400
Wire Wire Line
	6300 4000 5900 4000
Connection ~ 6300 4000
Connection ~ 5900 4000
Wire Wire Line
	5900 4000 5900 4200
Wire Wire Line
	5900 4500 5900 4750
Wire Wire Line
	6300 4750 5900 4750
Connection ~ 6300 4750
Connection ~ 5900 4750
Text HLabel 8650 4100 2    50   Input ~ 0
12V_CURRENT
Wire Wire Line
	5900 4750 5900 5100
Wire Wire Line
	6000 5100 5900 5100
Wire Wire Line
	5900 5200 5900 5400
Wire Wire Line
	6000 5200 5900 5200
$Comp
L power:GND #PWR086
U 1 1 61787915
P 5900 5400
F 0 "#PWR086" H 5900 5150 50  0001 C CNN
F 1 "GND" H 5905 5227 50  0000 C CNN
F 2 "" H 5900 5400 50  0001 C CNN
F 3 "" H 5900 5400 50  0001 C CNN
	1    5900 5400
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J8
U 1 1 61786D79
P 6200 5100
F 0 "J8" H 6280 5092 50  0000 L CNN
F 1 "12V_OUT" H 6280 5001 50  0000 L CNN
F 2 "" H 6200 5100 50  0001 C CNN
F 3 "~" H 6200 5100 50  0001 C CNN
	1    6200 5100
	1    0    0    -1  
$EndComp
Text HLabel 5800 5100 0    50   Input ~ 0
12V_OUT
Wire Wire Line
	5800 5100 5900 5100
Connection ~ 5900 5100
$Comp
L Device:R R131
U 1 1 628EB7FE
P 6600 3100
F 0 "R131" H 6670 3146 50  0000 L CNN
F 1 "10k" H 6670 3055 50  0000 L CNN
F 2 "" V 6530 3100 50  0001 C CNN
F 3 "~" H 6600 3100 50  0001 C CNN
	1    6600 3100
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED D21
U 1 1 628EC8B3
P 6200 3100
F 0 "D21" V 6239 2982 50  0000 R CNN
F 1 "LED_12V_OUT" V 6148 2982 50  0000 R CNN
F 2 "" H 6200 3100 50  0001 C CNN
F 3 "~" H 6200 3100 50  0001 C CNN
	1    6200 3100
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 628F2CF4
P 6900 3250
F 0 "#PWR0125" H 6900 3000 50  0001 C CNN
F 1 "GND" H 6905 3077 50  0000 C CNN
F 2 "" H 6900 3250 50  0001 C CNN
F 3 "" H 6900 3250 50  0001 C CNN
	1    6900 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 3100 6050 3100
Connection ~ 5900 3100
Wire Wire Line
	6350 3100 6450 3100
Wire Wire Line
	6750 3100 6900 3100
Wire Wire Line
	6900 3100 6900 3250
$EndSCHEMATC