hog_power.bak

EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:switches
LIBS:relays
LIBS:motors
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
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L D D1
U 1 1 5BA959C3
P 2500 1650
F 0 "D1" H 2500 1750 50  0000 C CNN
F 1 "D" H 2500 1550 50  0000 C CNN
F 2 "" H 2500 1650 50  0001 C CNN
F 3 "" H 2500 1650 50  0001 C CNN
	1    2500 1650
	-1   0    0    1   
$EndComp
Text GLabel 2000 1650 0    60   Input ~ 0
VIN
Wire Wire Line
	3400 1650 3400 1950
$Comp
L R R1
U 1 1 5BA95A9E
P 3400 2100
F 0 "R1" V 3480 2100 50  0000 C CNN
F 1 "10K" V 3400 2100 50  0000 C CNN
F 2 "" V 3330 2100 50  0001 C CNN
F 3 "" H 3400 2100 50  0001 C CNN
	1    3400 2100
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5BA95AD3
P 3400 2600
F 0 "R2" V 3480 2600 50  0000 C CNN
F 1 "10K" V 3400 2600 50  0000 C CNN
F 2 "" V 3330 2600 50  0001 C CNN
F 3 "" H 3400 2600 50  0001 C CNN
	1    3400 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 2250 3400 2450
Wire Wire Line
	3400 2350 4000 2350
Connection ~ 3400 2350
$Comp
L LM358 U?
U 1 1 5BA95B72
P 4300 2450
F 0 "U?" H 4300 2650 50  0000 L CNN
F 1 "LM358" H 4300 2250 50  0000 L CNN
F 2 "" H 4300 2450 50  0001 C CNN
F 3 "" H 4300 2450 50  0001 C CNN
	1    4300 2450
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR?
U 1 1 5BA95BE3
P 3850 2550
F 0 "#PWR?" H 3850 2400 50  0001 C CNN
F 1 "+3V3" H 3850 2690 50  0000 C CNN
F 2 "" H 3850 2550 50  0001 C CNN
F 3 "" H 3850 2550 50  0001 C CNN
	1    3850 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 2550 4000 2550
$Comp
L GND #PWR?
U 1 1 5BA95C4F
P 4200 2750
F 0 "#PWR?" H 4200 2500 50  0001 C CNN
F 1 "GND" H 4200 2600 50  0000 C CNN
F 2 "" H 4200 2750 50  0001 C CNN
F 3 "" H 4200 2750 50  0001 C CNN
	1    4200 2750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 5BA95D0D
P 3400 2750
F 0 "#PWR?" H 3400 2500 50  0001 C CNN
F 1 "GND" H 3400 2600 50  0000 C CNN
F 2 "" H 3400 2750 50  0001 C CNN
F 3 "" H 3400 2750 50  0001 C CNN
	1    3400 2750
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR?
U 1 1 5BA95D22
P 4200 2150
F 0 "#PWR?" H 4200 2000 50  0001 C CNN
F 1 "+3V3" H 4200 2290 50  0000 C CNN
F 2 "" H 4200 2150 50  0001 C CNN
F 3 "" H 4200 2150 50  0001 C CNN
	1    4200 2150
	1    0    0    -1  
$EndComp
$Comp
L Q_PMOS_DGS Q1
U 1 1 5BA95D3E
P 5000 2450
F 0 "Q1" H 5200 2500 50  0000 L CNN
F 1 "Q_PMOS_DGS" H 5200 2400 50  0000 L CNN
F 2 "" H 5200 2550 50  0001 C CNN
F 3 "" H 5000 2450 50  0001 C CNN
	1    5000 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 2450 4800 2450
Wire Wire Line
	5100 2250 5100 1650
Text GLabel 4350 1650 0    60   Input ~ 0
VBUS
Wire Wire Line
	5100 3000 6000 3000
$Comp
L LF33_TO220 U?
U 1 1 5BA95F52
P 6300 3000
F 0 "U?" H 6150 3125 50  0000 C CNN
F 1 "LF33_TO220" H 6300 3125 50  0000 L CNN
F 2 "TO_SOT_Packages_THT:TO-220_Vertical" H 6300 3225 50  0001 C CIN
F 3 "" H 6300 2950 50  0001 C CNN
	1    6300 3000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 5BA95FE6
P 6300 3300
F 0 "#PWR?" H 6300 3050 50  0001 C CNN
F 1 "GND" H 6300 3150 50  0000 C CNN
F 2 "" H 6300 3300 50  0001 C CNN
F 3 "" H 6300 3300 50  0001 C CNN
	1    6300 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 3000 6950 3000
$Comp
L +3V3 #PWR?
U 1 1 5BA9601F
P 6950 3000
F 0 "#PWR?" H 6950 2850 50  0001 C CNN
F 1 "+3V3" H 6950 3140 50  0000 C CNN
F 2 "" H 6950 3000 50  0001 C CNN
F 3 "" H 6950 3000 50  0001 C CNN
	1    6950 3000
	1    0    0    -1  
$EndComp
Text Notes 6100 2750 0    60   ~ 0
3.3V LDO\n(Drop: 0.5V)
Text Notes 3950 1500 0    60   ~ 0
USB Input
Text Notes 2150 1500 0    60   ~ 0
Battery Input\n(>=6.6V)
Connection ~ 5100 3000
$Comp
L +5V #PWR?
U 1 1 5BA96120
P 5400 3600
F 0 "#PWR?" H 5400 3450 50  0001 C CNN
F 1 "+5V" H 5400 3740 50  0000 C CNN
F 2 "" H 5400 3600 50  0001 C CNN
F 3 "" H 5400 3600 50  0001 C CNN
	1    5400 3600
	1    0    0    -1  
$EndComp
$Comp
L MCP1703A-5002_SOT23 U?
U 1 1 5BA961E7
P 3950 3600
F 0 "U?" H 3800 3725 50  0000 C CNN
F 1 "MCP1703A-5002_SOT23" H 3950 3725 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 3950 3800 50  0001 C CNN
F 3 "" H 3950 3550 50  0001 C CNN
	1    3950 3600
	1    0    0    -1  
$EndComp
Text Notes 3550 3400 0    60   ~ 0
5V Switching Regulator\n(VIN:  6.5V .. 36V)
$Comp
L D D2
U 1 1 5BA96569
P 4700 1650
F 0 "D2" H 4700 1750 50  0000 C CNN
F 1 "D" H 4700 1550 50  0000 C CNN
F 2 "" H 4700 1650 50  0001 C CNN
F 3 "" H 4700 1650 50  0001 C CNN
	1    4700 1650
	-1   0    0    1   
$EndComp
Wire Wire Line
	5100 1650 4850 1650
Wire Wire Line
	4550 1650 4350 1650
Wire Wire Line
	2350 1650 2000 1650
Wire Wire Line
	2650 1650 3400 1650
Connection ~ 2900 1650
Wire Wire Line
	2900 1650 2900 3600
Wire Wire Line
	2900 3600 3650 3600
Wire Wire Line
	4250 3600 5400 3600
Wire Wire Line
	5100 2650 5100 3600
Connection ~ 5100 3600
$Comp
L GND #PWR?
U 1 1 5BA96AC3
P 3950 3900
F 0 "#PWR?" H 3950 3650 50  0001 C CNN
F 1 "GND" H 3950 3750 50  0000 C CNN
F 2 "" H 3950 3900 50  0001 C CNN
F 3 "" H 3950 3900 50  0001 C CNN
	1    3950 3900
	1    0    0    -1  
$EndComp
Text Notes 1700 4600 0    60   ~ 0
D1,D2: Schottky diodes w/ voltage drop = 0.2 Volts
$EndSCHEMATC