EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 3
Title "LNSC-2420"
Date "2021-04-23"
Rev "1"
Comp ""
Comment1 "Design by Thomas Kolb"
Comment2 "Licensed under CERN-OHL-P v2"
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 6350 3550 2100 1750
U 607F322E
F0 "Switching" 100
F1 "switching.sch" 50
$EndSheet
$Sheet
S 2700 3550 2150 1750
U 607F325D
F0 "Control" 100
F1 "control.sch" 50
$EndSheet
$Comp
L Connector:Screw_Terminal_01x02 J1
U 1 1 6092DA3B
P 1800 1850
F 0 "J1" H 1880 1842 50  0000 L CNN
F 1 "SOLAR" H 1880 1751 50  0000 L CNN
F 2 "TerminalBlock:TerminalBlock_Degson_DG135T_2-P10.16mm" H 1800 1850 50  0001 C CNN
F 3 "~" H 1800 1850 50  0001 C CNN
	1    1800 1850
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J2
U 1 1 6092E5D1
P 2800 1850
F 0 "J2" H 2880 1842 50  0000 L CNN
F 1 "BAT" H 2880 1751 50  0000 L CNN
F 2 "TerminalBlock:TerminalBlock_Degson_DG135T_2-P10.16mm" H 2800 1850 50  0001 C CNN
F 3 "~" H 2800 1850 50  0001 C CNN
	1    2800 1850
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J3
U 1 1 6092F1CB
P 3800 1850
F 0 "J3" H 3880 1842 50  0000 L CNN
F 1 "LOAD" H 3880 1751 50  0000 L CNN
F 2 "TerminalBlock:TerminalBlock_Degson_DG135T_2-P10.16mm" H 3800 1850 50  0001 C CNN
F 3 "~" H 3800 1850 50  0001 C CNN
	1    3800 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 609304B5
P 1500 2050
F 0 "#PWR01" H 1500 1800 50  0001 C CNN
F 1 "GND" H 1505 1877 50  0000 C CNN
F 2 "" H 1500 2050 50  0001 C CNN
F 3 "" H 1500 2050 50  0001 C CNN
	1    1500 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1500 2050 1500 1950
Wire Wire Line
	1500 1950 1600 1950
$Comp
L power:GND #PWR02
U 1 1 60930D78
P 2500 2050
F 0 "#PWR02" H 2500 1800 50  0001 C CNN
F 1 "GND" H 2505 1877 50  0000 C CNN
F 2 "" H 2500 2050 50  0001 C CNN
F 3 "" H 2500 2050 50  0001 C CNN
	1    2500 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 2050 2500 1950
Wire Wire Line
	2500 1950 2600 1950
$Comp
L power:GND #PWR03
U 1 1 60930E77
P 3500 2050
F 0 "#PWR03" H 3500 1800 50  0001 C CNN
F 1 "GND" H 3505 1877 50  0000 C CNN
F 2 "" H 3500 2050 50  0001 C CNN
F 3 "" H 3500 2050 50  0001 C CNN
	1    3500 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 2050 3500 1950
Wire Wire Line
	3500 1950 3600 1950
Text GLabel 2500 1750 1    50   Output ~ 0
Bat+
Wire Wire Line
	2500 1750 2500 1850
Wire Wire Line
	2500 1850 2600 1850
Text GLabel 1500 1750 1    50   Output ~ 0
Solar+
Text GLabel 3500 1750 1    50   Output ~ 0
Load+
Wire Wire Line
	3500 1750 3500 1850
Wire Wire Line
	3500 1850 3600 1850
Wire Wire Line
	1500 1750 1500 1850
Wire Wire Line
	1500 1850 1600 1850
$Comp
L Converter_DCDC:OKI-78SR-5_1.5-W36-C U1
U 1 1 609371DE
P 6500 1700
F 0 "U1" H 6500 1942 50  0000 C CNN
F 1 "OKI-78SR-5_1.5-W36-C" H 6500 1851 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 6550 1450 50  0001 L CIN
F 3 "https://power.murata.com/data/power/oki-78sr.pdf" H 6500 1700 50  0001 C CNN
	1    6500 1700
	1    0    0    -1  
$EndComp
Text GLabel 5250 1700 0    50   Input ~ 0
Bat+
$Comp
L Device:CP C1
U 1 1 60937FAE
P 5600 1950
F 0 "C1" H 5718 1996 50  0000 L CNN
F 1 "100μF/35V" H 5718 1905 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 5638 1800 50  0001 C CNN
F 3 "~" H 5600 1950 50  0001 C CNN
	1    5600 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 60938B90
P 7300 1950
F 0 "C2" H 7415 1996 50  0000 L CNN
F 1 "10μF" H 7415 1905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7338 1800 50  0001 C CNN
F 3 "~" H 7300 1950 50  0001 C CNN
	1    7300 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 1700 5600 1700
Wire Wire Line
	6800 1700 7300 1700
Wire Wire Line
	7300 1700 7300 1800
Wire Wire Line
	7300 2100 7300 2200
Wire Wire Line
	7300 2200 6500 2200
Wire Wire Line
	5600 2200 5600 2100
Wire Wire Line
	5600 1800 5600 1700
Connection ~ 5600 1700
Wire Wire Line
	5600 1700 6200 1700
Wire Wire Line
	6500 2000 6500 2200
Connection ~ 6500 2200
Wire Wire Line
	6500 2200 5600 2200
Wire Wire Line
	6500 2200 6500 2300
$Comp
L power:GND #PWR04
U 1 1 6093A872
P 6500 2300
F 0 "#PWR04" H 6500 2050 50  0001 C CNN
F 1 "GND" H 6505 2127 50  0000 C CNN
F 2 "" H 6500 2300 50  0001 C CNN
F 3 "" H 6500 2300 50  0001 C CNN
	1    6500 2300
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR05
U 1 1 6093AD52
P 7300 1600
F 0 "#PWR05" H 7300 1450 50  0001 C CNN
F 1 "+5V" H 7315 1773 50  0000 C CNN
F 2 "" H 7300 1600 50  0001 C CNN
F 3 "" H 7300 1600 50  0001 C CNN
	1    7300 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7300 1600 7300 1700
Connection ~ 7300 1700
$Comp
L Regulator_Linear:MCP1700-3302E_SOT23 U2
U 1 1 6093C30D
P 8000 1700
F 0 "U2" H 8000 1942 50  0000 C CNN
F 1 "MCP1700-3302E_SOT23" H 8000 1851 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 8000 1925 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf" H 8000 1700 50  0001 C CNN
	1    8000 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7700 1700 7300 1700
Wire Wire Line
	7300 2200 8000 2200
Wire Wire Line
	9000 2200 9000 2100
Wire Wire Line
	9000 1700 8300 1700
Connection ~ 7300 2200
Wire Wire Line
	8000 2000 8000 2200
Connection ~ 8000 2200
Wire Wire Line
	8000 2200 9000 2200
$Comp
L Device:C C3
U 1 1 6093DFC7
P 9000 1950
F 0 "C3" H 9115 1996 50  0000 L CNN
F 1 "10μF" H 9115 1905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9038 1800 50  0001 C CNN
F 3 "~" H 9000 1950 50  0001 C CNN
	1    9000 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 1800 9000 1700
$Comp
L power:+3.3V #PWR06
U 1 1 6093F3AD
P 9000 1600
F 0 "#PWR06" H 9000 1450 50  0001 C CNN
F 1 "+3.3V" H 9015 1773 50  0000 C CNN
F 2 "" H 9000 1600 50  0001 C CNN
F 3 "" H 9000 1600 50  0001 C CNN
	1    9000 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 1600 9000 1700
Connection ~ 9000 1700
Text Notes 7750 2500 0    50   ~ 0
Pincompatible:\n- MCP1702\n- AP2120
$Comp
L power:PWR_FLAG #FLG01
U 1 1 609ADD13
P 5600 1600
F 0 "#FLG01" H 5600 1675 50  0001 C CNN
F 1 "PWR_FLAG" H 5600 1773 50  0000 C CNN
F 2 "" H 5600 1600 50  0001 C CNN
F 3 "~" H 5600 1600 50  0001 C CNN
	1    5600 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 1600 5600 1700
$Comp
L power:PWR_FLAG #FLG02
U 1 1 609B169A
P 5600 2300
F 0 "#FLG02" H 5600 2375 50  0001 C CNN
F 1 "PWR_FLAG" H 5600 2473 50  0000 C CNN
F 2 "" H 5600 2300 50  0001 C CNN
F 3 "~" H 5600 2300 50  0001 C CNN
	1    5600 2300
	-1   0    0    1   
$EndComp
Wire Wire Line
	5600 2300 5600 2200
Connection ~ 5600 2200
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 608E6AA2
P 1000 7200
F 0 "H4" H 1100 7249 50  0000 L CNN
F 1 "MountingHole_Pad" H 1100 7158 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 1000 7200 50  0001 C CNN
F 3 "~" H 1000 7200 50  0001 C CNN
	1    1000 7200
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H1
U 1 1 608E5819
P 1000 6500
F 0 "H1" H 1100 6546 50  0000 L CNN
F 1 "MountingHole_M3" H 1100 6455 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1000 6500 50  0001 C CNN
F 3 "~" H 1000 6500 50  0001 C CNN
	1    1000 6500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 608E7A5C
P 1000 6700
F 0 "H2" H 1100 6746 50  0000 L CNN
F 1 "MountingHole_M3" H 1100 6655 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1000 6700 50  0001 C CNN
F 3 "~" H 1000 6700 50  0001 C CNN
	1    1000 6700
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 608E7C54
P 1000 6900
F 0 "H3" H 1100 6946 50  0000 L CNN
F 1 "MountingHole_M3" H 1100 6855 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1000 6900 50  0001 C CNN
F 3 "~" H 1000 6900 50  0001 C CNN
	1    1000 6900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR042
U 1 1 608E7E5D
P 1000 7300
F 0 "#PWR042" H 1000 7050 50  0001 C CNN
F 1 "GND" H 1005 7127 50  0000 C CNN
F 2 "" H 1000 7300 50  0001 C CNN
F 3 "" H 1000 7300 50  0001 C CNN
	1    1000 7300
	1    0    0    -1  
$EndComp
$EndSCHEMATC