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: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:atmega88
LIBS:mc34063
LIBS:4S-Charger-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MC34063 U2
U 1 1 5937521F
P 2850 1750
F 0 "U2" H 2850 1350 60  0000 C CNN
F 1 "MC34063" H 2850 2000 60  0000 C CNN
F 2 "" H 2700 1750 60  0001 C CNN
F 3 "" H 2700 1750 60  0001 C CNN
	1    2850 1750
	-1   0    0    -1  
$EndComp
Text Notes 2150 1100 0    60   ~ 0
5V Supply
Wire Wire Line
	3400 1650 3400 1400
Wire Wire Line
	3400 1400 2300 1400
Wire Wire Line
	2300 1400 2300 1850
Connection ~ 2300 1650
Connection ~ 2300 1750
Wire Wire Line
	2300 1850 1850 1850
Wire Wire Line
	2050 1850 2050 1700
$Comp
L +12V #PWR2
U 1 1 593752FA
P 2050 1700
F 0 "#PWR2" H 2050 1550 50  0001 C CNN
F 1 "+12V" H 2050 1840 50  0000 C CNN
F 2 "" H 2050 1700 50  0000 C CNN
F 3 "" H 2050 1700 50  0000 C CNN
	1    2050 1700
	-1   0    0    -1  
$EndComp
$Comp
L CP C1
U 1 1 59375310
P 1850 2000
F 0 "C1" H 1875 2100 50  0000 L CNN
F 1 "100uF" H 1875 1900 50  0000 L CNN
F 2 "" H 1888 1850 50  0000 C CNN
F 3 "" H 1850 2000 50  0000 C CNN
	1    1850 2000
	-1   0    0    -1  
$EndComp
Connection ~ 2050 1850
$Comp
L GND #PWR1
U 1 1 5937535A
P 1850 2150
F 0 "#PWR1" H 1850 1900 50  0001 C CNN
F 1 "GND" H 1850 2000 50  0000 C CNN
F 2 "" H 1850 2150 50  0000 C CNN
F 3 "" H 1850 2150 50  0000 C CNN
	1    1850 2150
	-1   0    0    -1  
$EndComp
$Comp
L R R29
U 1 1 59375378
P 2300 2450
F 0 "R29" V 2380 2450 50  0000 C CNN
F 1 "1.2K" V 2300 2450 50  0000 C CNN
F 2 "" V 2230 2450 50  0000 C CNN
F 3 "" H 2300 2450 50  0000 C CNN
	1    2300 2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2300 1950 2300 2300
Text Notes 2000 1250 0    39   ~ 0
(Numbering From ON Semi Datasheet Example)
Text Notes 2250 2600 2    39   ~ 0
R1
$Comp
L R R30
U 1 1 59375416
P 2700 2300
F 0 "R30" V 2780 2300 50  0000 C CNN
F 1 "3.6K" V 2700 2300 50  0000 C CNN
F 2 "" V 2630 2300 50  0000 C CNN
F 3 "" H 2700 2300 50  0000 C CNN
	1    2700 2300
	0    -1   1    0   
$EndComp
Wire Wire Line
	2300 2300 2550 2300
Text Notes 2600 2400 2    39   ~ 0
R2
Wire Wire Line
	2850 2300 3950 2300
$Comp
L CP C2
U 1 1 593754DC
P 3550 2450
F 0 "C2" H 3575 2550 50  0000 L CNN
F 1 "10uF" H 3575 2350 50  0000 L CNN
F 2 "" H 3588 2300 50  0000 C CNN
F 3 "" H 3550 2450 50  0000 C CNN
	1    3550 2450
	1    0    0    -1  
$EndComp
Connection ~ 3550 2300
$Comp
L GND #PWR4
U 1 1 5937555A
P 3400 1950
F 0 "#PWR4" H 3400 1700 50  0001 C CNN
F 1 "GND" H 3400 1800 50  0000 C CNN
F 2 "" H 3400 1950 50  0000 C CNN
F 3 "" H 3400 1950 50  0000 C CNN
	1    3400 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1850 4100 1850
$Comp
L CP C4
U 1 1 5937558D
P 4100 2000
F 0 "C4" H 4125 2100 50  0000 L CNN
F 1 "200pF" H 4125 1900 50  0000 L CNN
F 2 "" H 4138 1850 50  0000 C CNN
F 3 "" H 4100 2000 50  0000 C CNN
	1    4100 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR8
U 1 1 5937565A
P 4100 2150
F 0 "#PWR8" H 4100 1900 50  0001 C CNN
F 1 "GND" H 4100 2000 50  0000 C CNN
F 2 "" H 4100 2150 50  0000 C CNN
F 3 "" H 4100 2150 50  0000 C CNN
	1    4100 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 2300 3550 2000
Wire Wire Line
	3550 2000 3800 2000
Wire Wire Line
	3800 2000 3800 1750
$Comp
L L L1
U 1 1 59375691
P 3800 1600
F 0 "L1" V 3750 1600 50  0000 C CNN
F 1 "10uH" V 3875 1600 50  0000 C CNN
F 2 "" H 3800 1600 50  0000 C CNN
F 3 "" H 3800 1600 50  0000 C CNN
	1    3800 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 1450 3600 1450
Wire Wire Line
	3600 1450 3600 1750
Wire Wire Line
	3600 1750 3400 1750
$Comp
L D_Schottky D1
U 1 1 593756E9
P 3700 1100
F 0 "D1" H 3700 1200 50  0000 C CNN
F 1 "D_Schottky" H 3700 1000 50  0000 C CNN
F 2 "" H 3700 1100 50  0000 C CNN
F 3 "" H 3700 1100 50  0000 C CNN
	1    3700 1100
	0    -1   -1   0   
$EndComp
Connection ~ 3700 1450
$Comp
L GND #PWR6
U 1 1 593757B9
P 3700 950
F 0 "#PWR6" H 3700 700 50  0001 C CNN
F 1 "GND" H 3700 800 50  0000 C CNN
F 2 "" H 3700 950 50  0000 C CNN
F 3 "" H 3700 950 50  0000 C CNN
	1    3700 950 
	-1   0    0    1   
$EndComp
Wire Wire Line
	3700 1450 3700 1250
Text Notes 3650 2650 0    39   ~ 0
Co
Text Notes 4200 2200 0    39   ~ 0
Ct
Text Notes 3850 1100 0    39   ~ 0
1N5819
$Comp
L GND #PWR3
U 1 1 593758D4
P 2300 2600
F 0 "#PWR3" H 2300 2350 50  0001 C CNN
F 1 "GND" H 2300 2450 50  0000 C CNN
F 2 "" H 2300 2600 50  0000 C CNN
F 3 "" H 2300 2600 50  0000 C CNN
	1    2300 2600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR5
U 1 1 593758F8
P 3550 2600
F 0 "#PWR5" H 3550 2350 50  0001 C CNN
F 1 "GND" H 3550 2450 50  0000 C CNN
F 2 "" H 3550 2600 50  0000 C CNN
F 3 "" H 3550 2600 50  0000 C CNN
	1    3550 2600
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR9
U 1 1 5936FA15
P 4500 2850
F 0 "#PWR9" H 4500 2700 50  0001 C CNN
F 1 "+5V" H 4500 2990 50  0000 C CNN
F 2 "" H 4500 2850 50  0000 C CNN
F 3 "" H 4500 2850 50  0000 C CNN
	1    4500 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 2300 3950 2550
$Comp
L L L2
U 1 1 5936FA62
P 3950 2700
F 0 "L2" V 3900 2700 50  0000 C CNN
F 1 "1uH" V 4025 2700 50  0000 C CNN
F 2 "" H 3950 2700 50  0000 C CNN
F 3 "" H 3950 2700 50  0000 C CNN
	1    3950 2700
	1    0    0    -1  
$EndComp
$Comp
L CP C3
U 1 1 5936FAB1
P 3950 3000
F 0 "C3" H 3975 3100 50  0000 L CNN
F 1 "100uF" H 3975 2900 50  0000 L CNN
F 2 "" H 3988 2850 50  0000 C CNN
F 3 "" H 3950 3000 50  0000 C CNN
	1    3950 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 2850 4500 2850
$Comp
L GND #PWR7
U 1 1 5936FBC1
P 3950 3150
F 0 "#PWR7" H 3950 2900 50  0001 C CNN
F 1 "GND" H 3950 3000 50  0000 C CNN
F 2 "" H 3950 3150 50  0000 C CNN
F 3 "" H 3950 3150 50  0000 C CNN
	1    3950 3150
	1    0    0    -1  
$EndComp
Wire Notes Line
	1500 750  4750 750 
Wire Notes Line
	4750 750  4750 3400
Wire Notes Line
	1500 750  1500 3400
Wire Notes Line
	3800 2550 4600 2550
Wire Notes Line
	4600 2550 4600 3350
Wire Notes Line
	3800 2550 3800 3350
Text Notes 4150 3250 0    39   ~ 0
Output Filter
Wire Notes Line
	1500 3400 4750 3400
Wire Notes Line
	3800 3350 4600 3350
$Comp
L GND #PWR13
U 1 1 59382C25
P 8450 1850
F 0 "#PWR13" H 8450 1600 50  0001 C CNN
F 1 "GND" H 8450 1700 50  0000 C CNN
F 2 "" H 8450 1850 50  0000 C CNN
F 3 "" H 8450 1850 50  0000 C CNN
	1    8450 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 1750 6900 1750
$Comp
L +12V #PWR10
U 1 1 59382C7C
P 6900 1750
F 0 "#PWR10" H 6900 1600 50  0001 C CNN
F 1 "+12V" H 6900 1890 50  0000 C CNN
F 2 "" H 6900 1750 50  0000 C CNN
F 3 "" H 6900 1750 50  0000 C CNN
	1    6900 1750
	1    0    0    -1  
$EndComp
$Comp
L CP C5
U 1 1 59382CA6
P 6900 1900
F 0 "C5" H 6925 2000 50  0000 L CNN
F 1 "100uF" H 6925 1800 50  0000 L CNN
F 2 "" H 6938 1750 50  0000 C CNN
F 3 "" H 6900 1900 50  0000 C CNN
	1    6900 1900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR11
U 1 1 59382CDF
P 6900 2050
F 0 "#PWR11" H 6900 1800 50  0001 C CNN
F 1 "GND" H 6900 1900 50  0000 C CNN
F 2 "" H 6900 2050 50  0000 C CNN
F 3 "" H 6900 2050 50  0000 C CNN
	1    6900 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7050 1150 7600 1150
$Comp
L L L3
U 1 1 59382D9B
P 7750 1150
F 0 "L3" V 7700 1150 50  0000 C CNN
F 1 ">429uH" V 7825 1150 50  0000 C CNN
F 2 "" H 7750 1150 50  0000 C CNN
F 3 "" H 7750 1150 50  0000 C CNN
	1    7750 1150
	0    1    1    0   
$EndComp
Wire Wire Line
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Wire Wire Line
	8450 1150 8450 1550
Wire Wire Line
	8450 1650 8700 1650
$Comp
L GND #PWR14
U 1 1 59382E61
P 8700 1650
F 0 "#PWR14" H 8700 1400 50  0001 C CNN
F 1 "GND" H 8700 1500 50  0000 C CNN
F 2 "" H 8700 1650 50  0000 C CNN
F 3 "" H 8700 1650 50  0000 C CNN
	1    8700 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8450 1550 8950 1550
Wire Wire Line
	8950 1550 8950 1650
$Comp
L D_Schottky D2
U 1 1 59382EC6
P 8950 1800
F 0 "D2" H 8950 1900 50  0000 C CNN
F 1 "D_Schottky" H 8950 1700 50  0000 C CNN
F 2 "" H 8950 1800 50  0000 C CNN
F 3 "" H 8950 1800 50  0000 C CNN
	1    8950 1800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8450 1750 8550 1750
Wire Wire Line
	8550 1750 8550 1900
Wire Wire Line
	8550 1900 8700 1900
Wire Wire Line
	8700 1900 8700 1950
$Comp
L CP C6
U 1 1 59382FCC
P 8700 2100
F 0 "C6" H 8725 2200 50  0000 L CNN
F 1 "0.2pF" H 8725 2000 50  0000 L CNN
F 2 "" H 8738 1950 50  0000 C CNN
F 3 "" H 8700 2100 50  0000 C CNN
	1    8700 2100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR15
U 1 1 5938300B
P 8700 2250
F 0 "#PWR15" H 8700 2000 50  0001 C CNN
F 1 "GND" H 8700 2100 50  0000 C CNN
F 2 "" H 8700 2250 50  0000 C CNN
F 3 "" H 8700 2250 50  0000 C CNN
	1    8700 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 1950 8950 2550
$Comp
L CP C7
U 1 1 5938307C
P 8950 2700
F 0 "C7" H 8975 2800 50  0000 L CNN
F 1 "2uF16" H 8975 2600 50  0000 L CNN
F 2 "" H 8988 2550 50  0000 C CNN
F 3 "" H 8950 2700 50  0000 C CNN
	1    8950 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7700 2550 9400 2550
Connection ~ 8950 2550
$Comp
L R R34
U 1 1 5938314F
P 7550 2550
F 0 "R34" V 7630 2550 50  0000 C CNN
F 1 "15K" V 7550 2550 50  0000 C CNN
F 2 "" V 7480 2550 50  0000 C CNN
F 3 "" H 7550 2550 50  0000 C CNN
	1    7550 2550
	0    1    1    0   
$EndComp
$Comp
L R R33
U 1 1 593831C3
P 7350 2700
F 0 "R33" V 7430 2700 50  0000 C CNN
F 1 "1K" V 7350 2700 50  0000 C CNN
F 2 "" V 7280 2700 50  0000 C CNN
F 3 "" H 7350 2700 50  0000 C CNN
	1    7350 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 1850 7350 2550
Wire Wire Line
	7350 2550 7400 2550
$Comp
L GND #PWR12
U 1 1 593832A9
P 7350 2850
F 0 "#PWR12" H 7350 2600 50  0001 C CNN
F 1 "GND" H 7350 2700 50  0000 C CNN
F 2 "" H 7350 2850 50  0000 C CNN
F 3 "" H 7350 2850 50  0000 C CNN
	1    7350 2850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR16
U 1 1 59383329
P 8950 2850
F 0 "#PWR16" H 8950 2600 50  0001 C CNN
F 1 "GND" H 8950 2700 50  0000 C CNN
F 2 "" H 8950 2850 50  0000 C CNN
F 3 "" H 8950 2850 50  0000 C CNN
	1    8950 2850
	1    0    0    -1  
$EndComp
Text GLabel 9400 2550 2    60   Input ~ 0
Vcomp
Text Notes 6450 1000 0    60   ~ 0
20V Opamp Supply
Text Notes 7600 1000 0    39   ~ 0
(Numbering from ON Semi Datasheet Example)
Text Notes 9150 1850 0    39   ~ 0
1n5819
Text Notes 9050 2900 0    39   ~ 0
Co
Text Notes 7550 2500 0    39   ~ 0
R2
Text Notes 7200 2700 0    39   ~ 0
R1
Text Notes 8550 2250 0    39   ~ 0
Ct
$Comp
L R R31
U 1 1 5938402A
P 7100 1600
F 0 "R31" V 7180 1600 50  0000 C CNN
F 1 "36" V 7100 1600 50  0000 C CNN
F 2 "" V 7030 1600 50  0000 C CNN
F 3 "" H 7100 1600 50  0000 C CNN
	1    7100 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7050 1450 7250 1450
Wire Wire Line
	7250 1450 7250 1650
Wire Wire Line
	7250 1650 7350 1650
$Comp
L MC34063 U3
U 1 1 59382969
P 7900 1650
F 0 "U3" H 7900 1250 60  0000 C CNN
F 1 "MC34063" H 7900 1900 60  0000 C CNN
F 2 "" H 7750 1650 60  0001 C CNN
F 3 "" H 7750 1650 60  0001 C CNN
	1    7900 1650
	-1   0    0    -1  
$EndComp
$Comp
L R R32
U 1 1 593840F0
P 7200 1250
F 0 "R32" V 7280 1250 50  0000 C CNN
F 1 "180" V 7200 1250 50  0000 C CNN
F 2 "" V 7130 1250 50  0000 C CNN
F 3 "" H 7200 1250 50  0000 C CNN
	1    7200 1250
	0    1    1    0   
$EndComp
Wire Wire Line
	7350 1550 7350 1250
Wire Wire Line
	7050 1150 7050 1450
Connection ~ 7100 1450
Connection ~ 7050 1250
Text Notes 6950 1500 0    39   ~ 0
Rsc
Wire Notes Line
	6400 850  9900 850 
Wire Notes Line
	9900 850  9900 3150
Wire Notes Line
	9900 3150 6400 3150
Wire Notes Line
	6400 3150 6400 850 
$EndSCHEMATC