EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:contrib
LIBS:project_specific_libs
LIBS:PWR_buck_12V_switcher-cache
EELAYER 27 0
EELAYER END
$Descr A 11000 8500
encoding utf-8
Sheet 1 1
Title "PWR buck 12V switcher regulator"
Date "2 apr 2014"
Rev "0.1"
Comp "http://code.google.com/p/daecu/"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L CONN_1 P2
U 1 1 519D13C2
P 7750 6700
F 0 "P2" H 7830 6700 40  0000 L CNN
F 1 "CONN_1" H 7750 6755 30  0001 C CNN
F 2 "SIL-1" H 7750 6700 60  0001 C CNN
F 3 "" H 7750 6700 60  0001 C CNN
	1    7750 6700
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 P1
U 1 1 512A09C3
P 3700 6500
F 0 "P1" V 3650 6500 40  0000 C CNN
F 1 "CONN_2" V 3750 6500 40  0000 C CNN
F 2 "SIL-2" H 3700 6500 60  0001 C CNN
F 3 "" H 3700 6500 60  0001 C CNN
	1    3700 6500
	-1   0    0    1   
$EndComp
$Comp
L CP1 C1
U 1 1 51297942
P 6800 6600
F 0 "C1" H 6850 6700 50  0000 L CNN
F 1 "470uF 25V" V 7000 6350 50  0000 L CNN
F 2 "SMDSVP10" H 6800 6600 60  0001 C CNN
F 3 "" H 6800 6600 60  0001 C CNN
F 4 "ref_PANASONIC,EEV-FK1H681M" H 6800 6600 60  0001 C CNN "MFG,MFG#"
F 5 "sky-macau.com,8808784453" H 6800 6600 60  0001 C CNN "VEND1,VEND1#"
	1    6800 6600
	-1   0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 5129417C
P 9050 6650
F 0 "C2" H 9100 6750 50  0000 L CNN
F 1 "220uF" H 9100 6550 50  0000 L CNN
F 2 "SM2512" H 9050 6650 60  0001 C CNN
F 3 "" H 9050 6650 60  0001 C CNN
F 4 "ref_AVX,TPSE227M010R0100" H 9050 6650 60  0001 C CNN "MFG,MFG#"
F 5 "sky-macau.com,8702041755" H 9050 6650 60  0001 C CNN "VEND1,VEND1#"
	1    9050 6650
	1    0    0    1   
$EndComp
$Comp
L CONN_2 P3
U 1 1 5129333C
P 10350 6550
F 0 "P3" V 10300 6550 40  0000 C CNN
F 1 "CONN_2" V 10400 6550 40  0000 C CNN
F 2 "SIL-2" H 10350 6550 60  0001 C CNN
F 3 "" H 10350 6550 60  0001 C CNN
	1    10350 6550
	1    0    0    1   
$EndComp
$Comp
L R R2
U 1 1 512925E9
P 8650 6600
F 0 "R2" V 8730 6600 50  0000 C CNN
F 1 "1k" V 8650 6600 50  0000 C CNN
F 2 "SM0805" H 8650 6600 60  0001 C CNN
F 3 "" H 8650 6600 60  0001 C CNN
F 4 "-,-" V 8650 6600 60  0001 C CNN "Field4"
F 5 "sky-macau.com,7768409796" V 8650 6600 60  0001 C CNN "vend1,vend1#"
	1    8650 6600
	0    1    1    0   
$EndComp
$Comp
L LED D5
U 1 1 5129222C
P 8600 6750
F 0 "D5" H 8600 6600 50  0000 C CNN
F 1 "GREEN" H 8600 6925 50  0001 C CNN
F 2 "LED-0805" H 8600 6750 60  0001 C CNN
F 3 "" H 8600 6750 60  0001 C CNN
F 4 "-,-" H 8600 6750 60  0001 C CNN "Field4"
F 5 "sky-macau.com,1562597916" H 8600 6750 60  0001 C CNN "VEND1,VEND1#"
	1    8600 6750
	1    0    0    -1  
$EndComp
$Comp
L INDUCTOR L1
U 1 1 512921EB
P 8600 6450
F 0 "L1" V 8550 6450 40  0000 C CNN
F 1 "38uH" V 8700 6450 40  0000 C CNN
F 2 "SM100uH" H 8600 6450 60  0001 C CNN
F 3 "" H 8600 6450 60  0001 C CNN
F 4 "ref_PULSE,PE-54040-S" V 8600 6450 60  0001 C CNN "MFG,MFG#"
F 5 "sky-macau.com,3817361683" V 8600 6450 60  0001 C CNN "VEND1,VEND1#"
	1    8600 6450
	0    -1   -1   0   
$EndComp
$Comp
L LM2596 U1
U 1 1 52C4CA58
P 7450 6550
F 0 "U1" H 7600 6850 60  0000 C CNN
F 1 "LM2596" H 7200 6400 60  0000 C CNN
F 2 "DPAK5" H 7450 6550 60  0001 C CNN
F 3 "~" H 7450 6550 60  0000 C CNN
F 4 "linear,2596-5.0" H 7450 6550 60  0001 C CNN "mfg,mfg#"
F 5 "sky-macau.com,6841999795" H 7450 6550 60  0001 C CNN "vend1,vend1#"
	1    7450 6550
	1    0    0    -1  
$EndComp
$Comp
L INDUCTOR L2
U 1 1 52C4CD12
P 9350 6450
F 0 "L2" V 9300 6400 40  0000 C CNN
F 1 "38uH" V 9450 6450 40  0000 C CNN
F 2 "SM100uH" H 9350 6450 60  0001 C CNN
F 3 "" H 9350 6450 60  0001 C CNN
F 4 "ref_PULSE,PE-54040-S" V 9350 6450 60  0001 C CNN "MFG,MFG#"
F 5 "sky-macau.com,3817361683" V 9350 6450 60  0001 C CNN "VEND1,VEND1#"
	1    9350 6450
	0    -1   -1   0   
$EndComp
$Comp
L C C3
U 1 1 52C4CD1A
P 9650 6650
F 0 "C3" H 9700 6750 50  0000 L CNN
F 1 "220uF" H 9700 6550 50  0000 L CNN
F 2 "SM2512" H 9650 6650 60  0001 C CNN
F 3 "" H 9650 6650 60  0001 C CNN
F 4 "ref_AVX,TPSE227M010R0100" H 9650 6650 60  0001 C CNN "MFG,MFG#"
F 5 "sky-macau.com,8702041755" H 9650 6650 60  0001 C CNN "VEND1,VEND1#"
	1    9650 6650
	1    0    0    1   
$EndComp
$Comp
L SCHDPAK D4
U 1 1 52C4CE0F
P 8300 6650
F 0 "D4" H 8300 6750 40  0000 C CNN
F 1 "SCHDPAK" H 8300 6550 40  0001 C CNN
F 2 "DPAK2" H 8300 6650 60  0001 C CNN
F 3 "~" H 8300 6650 60  0000 C CNN
F 4 "VISHAY,VS-50WQ04FNPBF" H 8300 6650 60  0001 C CNN "MFG,MFG#"
F 5 "DIGI,VS-50WQ04FNPBF-ND" H 8300 6650 60  0001 C CNN "VEND1,VEND1#"
	1    8300 6650
	0    -1   -1   0   
$EndComp
Connection ~ -4675 3450
Wire Wire Line
	4050 6850 10000 6850
Wire Wire Line
	8000 6850 8100 6850
Connection ~ 9050 6850
Connection ~ 7450 6850
Wire Wire Line
	6800 6800 6800 6850
Connection ~ 6800 6850
Wire Wire Line
	8800 6750 8800 6850
Connection ~ 8800 6850
Wire Wire Line
	8400 6750 8400 6600
Wire Wire Line
	8900 6300 8900 6600
Wire Wire Line
	8900 6450 9050 6450
Connection ~ 9050 6450
Wire Wire Line
	5150 6400 7000 6400
Connection ~ 6800 6400
Wire Wire Line
	7000 6550 7000 6850
Connection ~ 7000 6850
Wire Wire Line
	8900 6300 7900 6300
Wire Wire Line
	7900 6300 7900 6400
Connection ~ 8900 6450
Wire Wire Line
	10000 6850 10000 6650
Connection ~ 9650 6850
Wire Wire Line
	10000 6450 9650 6450
Wire Wire Line
	7900 6450 7900 6700
Wire Wire Line
	7900 6450 8300 6450
Connection ~ 7900 6550
Connection ~ 8300 6450
Connection ~ 8250 6850
Connection ~ 8350 6850
Connection ~ 9650 6450
Text Label 6800 6400 0    60   ~ 0
VBAT
Text Label 9650 6450 0    60   ~ 0
5V-REG
Text Label 8200 6300 0    60   ~ 0
FB
Text Label 8200 6450 0    60   ~ 0
OUT
$Comp
L GND #PWR01
U 1 1 52C4D1EB
P 7450 6900
F 0 "#PWR01" H 7450 6900 30  0001 C CNN
F 1 "GND" H 7450 6830 30  0001 C CNN
F 2 "" H 7450 6900 60  0000 C CNN
F 3 "" H 7450 6900 60  0000 C CNN
	1    7450 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 6850 7450 6900
Text Label 7550 6850 0    60   ~ 0
GND
$Comp
L DIODE D3
U 1 1 52C60732
P 6350 6600
F 0 "D3" H 6350 6700 40  0000 C CNN
F 1 "TVS" H 6350 6500 40  0000 C CNN
F 2 "SM1206" H 6350 6600 60  0001 C CNN
F 3 "~" H 6350 6600 60  0000 C CNN
F 4 "ref_ONsemi,MMBZ18VALT1G" H 6350 6600 60  0001 C CNN "mfg,mfg#"
F 5 "sky-macau.com,7231302853" H 6350 6600 60  0001 C CNN "vend1,vend1"
	1    6350 6600
	0    -1   -1   0   
$EndComp
$Comp
L DIODE D2
U 1 1 52C61746
P 6100 6600
F 0 "D2" H 6100 6700 40  0000 C CNN
F 1 "TVS" H 6100 6500 40  0000 C CNN
F 2 "SM1206" H 6100 6600 60  0001 C CNN
F 3 "~" H 6100 6600 60  0000 C CNN
F 4 "ref_ONsemi,MMBZ18VALT1G" H 6100 6600 60  0001 C CNN "mfg,mfg#"
F 5 "sky-macau.com,7231302853" H 6100 6600 60  0001 C CNN "vend1,vend1"
	1    6100 6600
	0    -1   -1   0   
$EndComp
$Comp
L MOS_PRO Q1
U 1 1 52C6272D
P 4950 6500
F 0 "Q1" H 4950 6690 60  0000 R CNN
F 1 "MOS_PRO" H 4950 6320 60  0001 R CNN
F 2 "SOT23" H 4950 6500 60  0001 C CNN
F 3 "~" H 4950 6500 60  0000 C CNN
F 4 "ref_fairchild,FQD7P06TM" H 4950 6500 60  0001 C CNN "mfg,mfg"
F 5 "sky-macau.com,4824167646" H 4950 6500 60  0001 C CNN "vend1,vend1"
	1    4950 6500
	0    -1   -1   0   
$EndComp
Connection ~ 6350 6400
Connection ~ 6100 6400
Wire Wire Line
	6350 6800 6350 6850
Wire Wire Line
	6100 6800 6100 6850
Connection ~ 6350 6850
Wire Wire Line
	4050 6850 4050 6600
Connection ~ 6100 6850
$Comp
L R R1
U 1 1 533A08F3
P 5500 6700
F 0 "R1" V 5580 6700 50  0000 C CNN
F 1 "1k" V 5500 6700 50  0000 C CNN
F 2 "SM0805" H 5500 6700 60  0001 C CNN
F 3 "" H 5500 6700 60  0001 C CNN
F 4 "-,-" V 5500 6700 60  0001 C CNN "Field4"
F 5 "sky-macau.com,7768409796" V 5500 6700 60  0001 C CNN "vend1,vend1#"
	1    5500 6700
	0    -1   -1   0   
$EndComp
$Comp
L ZENERSMALL D1
U 1 1 533A08FB
P 5250 6600
F 0 "D1" H 5350 6550 40  0000 C CNN
F 1 "ZENERSMALL" H 5250 6500 30  0001 C CNN
F 2 "SM1206" H 5250 6600 60  0001 C CNN
F 3 "~" H 5250 6600 60  0000 C CNN
F 4 "-,-" H 5250 6600 60  0001 C CNN "Field4"
F 5 "sky-macau.com,5633100308" H 5250 6600 60  0001 C CNN "vend1,vend1#"
	1    5250 6600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5750 6700 5750 6850
Connection ~ 5750 6850
Wire Wire Line
	5250 6700 4950 6700
$Comp
L FUSE F1
U 1 1 533A8E21
P 4400 6400
F 0 "F1" H 4500 6450 40  0000 C CNN
F 1 "3.5A" H 4300 6350 40  0000 C CNN
F 2 "SM1812" H 4400 6400 60  0001 C CNN
F 3 "~" H 4400 6400 60  0000 C CNN
F 4 "-,-" H 4400 6400 60  0001 C CNN "Field4"
F 5 "sky-macau.com,2901133229" H 4400 6400 60  0001 C CNN "vend1,vend1#"
	1    4400 6400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 6400 4150 6400
Wire Wire Line
	4650 6400 4750 6400
Wire Wire Line
	5250 6500 5250 6400
Connection ~ 5250 6400
$Comp
L DIODESCH D6
U 1 1 533B6631
P 8100 6650
F 0 "D6" H 8100 6750 40  0000 C CNN
F 1 "DIODESCH" H 8100 6550 40  0001 C CNN
F 2 "D4" H 8100 6650 60  0001 C CNN
F 3 "~" H 8100 6650 60  0000 C CNN
F 4 "-,-" H 8100 6650 60  0001 C CNN "Field4"
F 5 "sky-macau.com,1438219496" H 8100 6650 60  0001 C CNN "VEND1,VEND1#"
	1    8100 6650
	0    -1   -1   0   
$EndComp
Connection ~ 8100 6450
Connection ~ 8100 6850
Wire Notes Line
	8100 6900 8100 7050
Text Notes 7700 7150 0    60   ~ 0
ALT DIODE FOR CHINA ASSEBLER\nLIMITS OUTPUT TO 2.3A
Text Label 4050 6400 0    60   ~ 0
Vin
Text Label 4650 6400 0    60   ~ 0
Vf
$EndSCHEMATC