EESchema Schematic File Version 2
LIBS:Helios-rescue
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:Personal library
LIBS:Helios-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 5
Title "Power Supplies"
Date ""
Rev "A"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L AP2114 U2
U 1 1 56B1EE67
P 2650 2350
F 0 "U2" H 2650 2700 60  0000 C CNN
F 1 "AP2114" H 2650 2550 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-223" H 2650 2350 60  0001 C CNN
F 3 "" H 2650 2350 60  0000 C CNN
	1    2650 2350
	1    0    0    -1  
$EndComp
Text HLabel 1600 2250 0    60   UnSpc ~ 0
5V
Text HLabel 3750 2250 2    60   UnSpc ~ 0
3.3V
$Comp
L R R13
U 1 1 56EC07CE
P 2550 5200
F 0 "R13" V 2630 5200 50  0000 C CNN
F 1 "150" V 2550 5200 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 2480 5200 50  0001 C CNN
F 3 "" H 2550 5200 50  0000 C CNN
	1    2550 5200
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR07
U 1 1 56EC0DF6
P 3100 6150
F 0 "#PWR07" H 3100 5900 50  0001 C CNN
F 1 "GND" H 3100 6000 50  0000 C CNN
F 2 "" H 3100 6150 50  0000 C CNN
F 3 "" H 3100 6150 50  0000 C CNN
	1    3100 6150
	1    0    0    -1  
$EndComp
Text HLabel 4650 5200 2    60   UnSpc ~ 0
2.5V
Text HLabel 2300 5200 0    60   UnSpc ~ 0
3.3V
Text HLabel 5650 2450 0    60   UnSpc ~ 0
5V
$Comp
L GND #PWR08
U 1 1 56ED02CC
P 7500 3050
F 0 "#PWR08" H 7500 2800 50  0001 C CNN
F 1 "GND" H 7500 2900 50  0000 C CNN
F 2 "" H 7500 3050 50  0000 C CNN
F 3 "" H 7500 3050 50  0000 C CNN
	1    7500 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR09
U 1 1 56ED03CC
P 8350 2500
F 0 "#PWR09" H 8350 2250 50  0001 C CNN
F 1 "GND" H 8350 2350 50  0000 C CNN
F 2 "" H 8350 2500 50  0000 C CNN
F 3 "" H 8350 2500 50  0000 C CNN
	1    8350 2500
	0    -1   -1   0   
$EndComp
Text HLabel 8650 2400 2    39   UnSpc ~ 0
+9V
Text HLabel 8650 2600 2    39   UnSpc ~ 0
-9V
$Comp
L GND #PWR010
U 1 1 5703D8E0
P 8550 2950
F 0 "#PWR010" H 8550 2700 50  0001 C CNN
F 1 "GND" H 8550 2800 50  0000 C CNN
F 2 "" H 8550 2950 50  0000 C CNN
F 3 "" H 8550 2950 50  0000 C CNN
	1    8550 2950
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 5703D96C
P 8550 2050
F 0 "#PWR011" H 8550 1800 50  0001 C CNN
F 1 "GND" H 8550 1900 50  0000 C CNN
F 2 "" H 8550 2050 50  0000 C CNN
F 3 "" H 8550 2050 50  0000 C CNN
	1    8550 2050
	-1   0    0    1   
$EndComp
Text Notes 2200 1750 0    60   ~ 0
3.3V LDO Regulator\n
Text Notes 7250 1900 0    60   ~ 0
+-9V SMPS\n
Text Notes 2700 4700 0    60   ~ 0
2.5V Reference\n
$Comp
L ISA_DC-DC_converter U4
U 1 1 5739096E
P 7500 2600
F 0 "U4" H 7500 3100 60  0000 C CNN
F 1 "ISA_DC-DC_converter" H 7500 3000 60  0000 C CNN
F 2 "personal:10-SMD-6" H 7500 2600 60  0001 C CNN
F 3 "" H 7500 2600 60  0000 C CNN
	1    7500 2600
	1    0    0    -1  
$EndComp
NoConn ~ 7750 2900
$Comp
L C C8
U 1 1 57390D8D
P 8550 2200
F 0 "C8" H 8575 2300 50  0000 L CNN
F 1 "4.7uF" H 8575 2100 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 8588 2050 50  0001 C CNN
F 3 "" H 8550 2200 50  0000 C CNN
	1    8550 2200
	-1   0    0    1   
$EndComp
$Comp
L C C9
U 1 1 57390DDD
P 8550 2800
F 0 "C9" H 8575 2900 50  0000 L CNN
F 1 "4.7uF" H 8575 2700 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 8588 2650 50  0001 C CNN
F 3 "" H 8550 2800 50  0000 C CNN
	1    8550 2800
	-1   0    0    1   
$EndComp
$Comp
L C C6
U 1 1 57365067
P 5750 2700
F 0 "C6" H 5775 2800 50  0000 L CNN
F 1 "4.7uF" H 5775 2600 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 5788 2550 50  0001 C CNN
F 3 "" H 5750 2700 50  0000 C CNN
	1    5750 2700
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 573A56B9
P 1950 2550
F 0 "C4" H 1975 2650 50  0000 L CNN
F 1 "4.7uF" H 1975 2450 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 1988 2400 50  0001 C CNN
F 3 "" H 1950 2550 50  0000 C CNN
	1    1950 2550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR012
U 1 1 573CF740
P 3350 3050
F 0 "#PWR012" H 3350 2800 50  0001 C CNN
F 1 "GND" H 3350 2900 50  0000 C CNN
F 2 "" H 3350 3050 50  0000 C CNN
F 3 "" H 3350 3050 50  0000 C CNN
	1    3350 3050
	1    0    0    -1  
$EndComp
Text Notes 1750 6500 0    60   ~ 0
Shunt reference is UNSTABLE when bypassed with 10^3 to 10^6 pF so 100nF can't be used alone
$Comp
L PWR_FLAG #FLG013
U 1 1 575B50A4
P 1950 2200
F 0 "#FLG013" H 1950 2295 50  0001 C CNN
F 1 "PWR_FLAG" H 1950 2380 50  0000 C CNN
F 2 "" H 1950 2200 50  0000 C CNN
F 3 "" H 1950 2200 50  0000 C CNN
	1    1950 2200
	1    0    0    -1  
$EndComp
$Comp
L AN431B U3
U 1 1 575BF24E
P 3100 5950
F 0 "U3" H 3450 5950 60  0000 C CNN
F 1 "AN431B" H 3550 6100 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 3100 5950 60  0001 C CNN
F 3 "" H 3100 5950 60  0000 C CNN
	1    3100 5950
	1    0    0    -1  
$EndComp
$Comp
L R R12
U 1 1 575C427B
P 2550 5000
F 0 "R12" V 2630 5000 50  0000 C CNN
F 1 "150" V 2550 5000 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 2480 5000 50  0001 C CNN
F 3 "" H 2550 5000 50  0000 C CNN
	1    2550 5000
	0    -1   -1   0   
$EndComp
$Comp
L FILTER L2
U 1 1 578632B6
P 6250 2450
F 0 "L2" H 6250 2600 50  0000 C CNN
F 1 "FILTER" H 6250 2350 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" H 6250 2450 50  0001 C CNN
F 3 "" H 6250 2450 50  0000 C CNN
	1    6250 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 2250 2200 2250
Wire Wire Line
	1950 2200 1950 2400
Connection ~ 1950 2250
Wire Wire Line
	1950 2700 1950 2950
Wire Wire Line
	3100 2250 3750 2250
Wire Wire Line
	2700 5200 4650 5200
Wire Wire Line
	3100 5200 3100 5450
Wire Wire Line
	3100 5350 2650 5350
Wire Wire Line
	2650 5350 2650 5800
Wire Wire Line
	2650 5800 2800 5800
Connection ~ 3100 5350
Connection ~ 3100 5200
Wire Wire Line
	2400 5200 2300 5200
Wire Wire Line
	5750 3000 7500 3000
Wire Wire Line
	7500 2900 7500 3050
Connection ~ 7500 3000
Wire Wire Line
	8250 2400 8650 2400
Wire Wire Line
	8250 2600 8650 2600
Wire Wire Line
	8250 2500 8350 2500
Wire Wire Line
	8550 2350 8550 2400
Connection ~ 8550 2400
Wire Wire Line
	8550 2650 8550 2600
Connection ~ 8550 2600
Wire Wire Line
	3350 2950 3350 3050
Wire Wire Line
	2650 2750 2650 2950
Connection ~ 2650 2950
Wire Wire Line
	2400 5000 2400 5200
Wire Wire Line
	2700 5000 2700 5200
Wire Wire Line
	6750 2450 6600 2450
Wire Wire Line
	5750 3000 5750 2850
Wire Wire Line
	5750 2550 5750 2450
Wire Wire Line
	5650 2450 5900 2450
Connection ~ 5750 2450
$Comp
L C C7
U 1 1 57863537
P 6650 2700
F 0 "C7" H 6675 2800 50  0000 L CNN
F 1 "100nF" H 6675 2600 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 6688 2550 50  0001 C CNN
F 3 "" H 6650 2700 50  0000 C CNN
	1    6650 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	6650 2550 6650 2450
Connection ~ 6650 2450
Wire Wire Line
	6650 2850 6650 3000
Connection ~ 6650 3000
$Comp
L PWR_FLAG #FLG014
U 1 1 5792E8E7
P 6750 2400
F 0 "#FLG014" H 6750 2495 50  0001 C CNN
F 1 "PWR_FLAG" H 6750 2580 50  0000 C CNN
F 2 "" H 6750 2400 50  0000 C CNN
F 3 "" H 6750 2400 50  0000 C CNN
	1    6750 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6750 2400 6750 2450
Wire Wire Line
	1950 2950 3350 2950
$EndSCHEMATC