dcdc.sch

EESchema Schematic File Version 2
LIBS:MPPT_charger_20A-rescue
LIBS:LibreSolar
LIBS:IEC-60617
LIBS:power
LIBS:device
LIBS:regul
LIBS:switches
LIBS:conn
LIBS:logo
LIBS:mechanical
LIBS:MPPT_charger_20A-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 6
Title "MPPT Charger 20A"
Date "2017-03-06"
Rev "0.7"
Comp "Libre Solar"
Comment1 "Author: Martin Jäger"
Comment2 "Website: http://libre.solar"
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L GND #PWR02
U 1 1 58A7DE0D
P 2400 5300
F 0 "#PWR02" H 2400 5050 50  0001 C CNN
F 1 "GND" H 2400 5150 50  0000 C CNN
F 2 "" H 2400 5300 50  0000 C CNN
F 3 "" H 2400 5300 50  0000 C CNN
	1    2400 5300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 58A8409D
P 6700 3300
F 0 "#PWR03" H 6700 3050 50  0001 C CNN
F 1 "GND" H 6700 3150 50  0000 C CNN
F 2 "" H 6700 3300 50  0000 C CNN
F 3 "" H 6700 3300 50  0000 C CNN
	1    6700 3300
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 58A85D67
P 4300 4900
F 0 "C10" H 4320 4970 50  0000 L CNN
F 1 "100n" H 4320 4830 50  0000 L CNN
F 2 "LibreSolar:C_0603_1608" H 4300 4900 50  0001 C CNN
F 3 "" H 4300 4900 50  0000 C CNN
F 4 "Murata" H -900 1000 50  0001 C CNN "Manufacturer"
F 5 "GRM188R71H104KA93D" H -900 1000 50  0001 C CNN "PartNumber"
F 6 "" H -900 1000 50  0001 C CNN "SPR"
F 7 "" H -900 1000 50  0001 C CNN "SPN"
F 8 "" H -900 1000 50  0001 C CNN "SPURL"
	1    4300 4900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 58A99690
P 4800 2700
F 0 "#PWR04" H 4800 2450 50  0001 C CNN
F 1 "GND" H 4800 2550 50  0000 C CNN
F 2 "" H 4800 2700 50  0000 C CNN
F 3 "" H 4800 2700 50  0000 C CNN
	1    4800 2700
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 58A9A2AE
P 5700 2800
F 0 "R3" V 5630 2800 50  0000 C CNN
F 1 "3.3" V 5770 2800 50  0000 C CNN
F 2 "LibreSolar:R_0805_2012" H 5700 2800 50  0001 C CNN
F 3 "" H 5700 2800 50  0000 C CNN
F 4 "Yageo" H 150 300 50  0001 C CNN "Manufacturer"
F 5 "RC0805FR-073R3L" H 150 300 50  0001 C CNN "PartNumber"
	1    5700 2800
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 58A9AA64
P 5800 2100
F 0 "R1" V 5730 2100 50  0000 C CNN
F 1 "3.3" V 5870 2100 50  0000 C CNN
F 2 "LibreSolar:R_0805_2012" H 5800 2100 50  0001 C CNN
F 3 "" H 5800 2100 50  0000 C CNN
F 4 "Yageo" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "RC0805FR-073R3L" H 200 300 50  0001 C CNN "PartNumber"
	1    5800 2100
	0    1    1    0   
$EndComp
$Comp
L R R10
U 1 1 58A9B6EE
P 4000 4700
F 0 "R10" V 3930 4700 50  0000 C CNN
F 1 "3.3" V 4070 4700 50  0000 C CNN
F 2 "LibreSolar:R_0805_2012" H 4000 4700 50  0001 C CNN
F 3 "" H 4000 4700 50  0000 C CNN
F 4 "Yageo" H -925 1000 50  0001 C CNN "Manufacturer"
F 5 "RC0805FR-073R3L" H -925 1000 50  0001 C CNN "PartNumber"
F 6 "" H -925 1000 50  0001 C CNN "SPR"
F 7 "" H -925 1000 50  0001 C CNN "SPN"
F 8 "" H -925 1000 50  0001 C CNN "SPURL"
	1    4000 4700
	0    1    1    0   
$EndComp
$Comp
L R R9
U 1 1 58A9DC80
P 7800 4500
F 0 "R9" V 7730 4500 50  0000 C CNN
F 1 "56k" V 7870 4500 50  0000 C CNN
F 2 "LibreSolar:R_0603_1608" H 7800 4500 50  0001 C CNN
F 3 "" H 7800 4500 50  0000 C CNN
F 4 "Yageo" H 5250 -450 50  0001 C CNN "Manufacturer"
F 5 "RC0603FR-0756KL" H 5250 -450 50  0001 C CNN "PartNumber"
	1    7800 4500
	0    1    1    0   
$EndComp
$Comp
L R R12
U 1 1 58A9E677
P 8450 4700
F 0 "R12" V 8380 4700 50  0000 C CNN
F 1 "2.2k" V 8520 4700 50  0000 C CNN
F 2 "LibreSolar:R_0603_1608" H 8450 4700 50  0001 C CNN
F 3 "" H 8450 4700 50  0000 C CNN
F 4 "Yageo" H 5300 -400 50  0001 C CNN "Manufacturer"
F 5 "RC0603FR-072K2L" H 5300 -400 50  0001 C CNN "PartNumber"
F 6 "" H 5300 -400 50  0001 C CNN "SPR"
F 7 "" H 5300 -400 50  0001 C CNN "SPN"
F 8 "" H 5300 -400 50  0001 C CNN "SPURL"
	1    8450 4700
	0    1    1    0   
$EndComp
$Comp
L R R13
U 1 1 58A9EAD2
P 7300 5000
F 0 "R13" V 7230 5000 50  0000 C CNN
F 1 "2.2k" V 7370 5000 50  0000 C CNN
F 2 "LibreSolar:R_0603_1608" H 7300 5000 50  0001 C CNN
F 3 "" H 7300 5000 50  0000 C CNN
F 4 "Yageo" H 5275 -400 50  0001 C CNN "Manufacturer"
F 5 "RC0603FR-072K2L" H 5275 -400 50  0001 C CNN "PartNumber"
F 6 "" H 5275 -400 50  0001 C CNN "SPR"
F 7 "" H 5275 -400 50  0001 C CNN "SPN"
F 8 "" H 5275 -400 50  0001 C CNN "SPURL"
	1    7300 5000
	0    1    1    0   
$EndComp
$Comp
L R R17
U 1 1 58AA028C
P 7000 5500
F 0 "R17" V 6930 5500 50  0000 C CNN
F 1 "2m" V 7070 5500 50  0000 C CNN
F 2 "LibreSolar:R_Bourns_CRE2512" H 7000 5500 50  0001 C CNN
F 3 "" H 7000 5500 50  0000 C CNN
F 4 "Bourns" H 5250 -400 50  0001 C CNN "Manufacturer"
F 5 "CRE2512-FZ-R002E-3" H 5250 -400 50  0001 C CNN "PartNumber"
F 6 "Mouser" H 5250 -400 50  0001 C CNN "SPR"
F 7 "" H 5250 -400 50  0001 C CNN "SPN"
F 8 "" H 5250 -400 50  0001 C CNN "SPURL"
	1    7000 5500
	0    -1   1    0   
$EndComp
$Comp
L R R16
U 1 1 58AA0F0C
P 7700 5200
F 0 "R16" V 7630 5200 50  0000 C CNN
F 1 "10k" V 7770 5200 50  0000 C CNN
F 2 "LibreSolar:R_0603_1608" H 7700 5200 50  0001 C CNN
F 3 "" H 7700 5200 50  0000 C CNN
F 4 "Yageo" H 5250 -450 50  0001 C CNN "Manufacturer"
F 5 "RC0603FR-07150KL" H 5250 -450 50  0001 C CNN "PartNumber"
F 6 "" H 5250 -450 50  0001 C CNN "SPR"
F 7 "" H 5250 -450 50  0001 C CNN "SPN"
F 8 "" H 5250 -450 50  0001 C CNN "SPURL"
	1    7700 5200
	1    0    0    1   
$EndComp
$Comp
L R R6
U 1 1 58AA6BF1
P 8900 3200
F 0 "R6" V 8830 3200 50  0000 C CNN
F 1 "2m" V 8970 3200 50  0000 C CNN
F 2 "LibreSolar:R_Bourns_CRE2512" H 8900 3200 50  0001 C CNN
F 3 "" H 8900 3200 50  0000 C CNN
F 4 "Bourns" H 400 150 50  0001 C CNN "Manufacturer"
F 5 "CRE2512-FZ-R002E-3" H 400 150 50  0001 C CNN "PartNumber"
F 6 "Mouser" H 400 150 50  0001 C CNN "SPR"
F 7 "" H 400 150 50  0001 C CNN "SPN"
F 8 "" H 400 150 50  0001 C CNN "SPURL"
	1    8900 3200
	0    -1   1    0   
$EndComp
$Comp
L C C8
U 1 1 58AC52BA
P 2600 2100
F 0 "C8" H 2620 2170 50  0000 L CNN
F 1 "1u" H 2620 2030 50  0000 L CNN
F 2 "LibreSolar:C_0805_2012" H 2600 2100 50  0001 C CNN
F 3 "" H 2600 2100 50  0000 C CNN
F 4 "Murata" H 500 350 50  0001 C CNN "Manufacturer"
F 5 "GRJ21BC72A105KE11L" H 500 350 50  0001 C CNN "PartNumber"
F 6 "" H 500 350 50  0001 C CNN "Comment"
F 7 "100V, X7S" H 0   0   60  0001 C CNN "Remarks"
	1    2600 2100
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 58AC5948
P 4700 2100
F 0 "C4" H 4720 2170 50  0000 L CNN
F 1 "1u" H 4720 2030 50  0000 L CNN
F 2 "LibreSolar:C_0805_2012" H 4700 2100 50  0001 C CNN
F 3 "" H 4700 2100 50  0000 C CNN
F 4 "Murata" H 100 300 50  0001 C CNN "Manufacturer"
F 5 "GRJ21BC72A105KE11L" H 100 300 50  0001 C CNN "PartNumber"
F 6 "" H 100 300 50  0001 C CNN "Comment"
F 7 "100V, X7S" H 0   0   60  0001 C CNN "Remarks"
	1    4700 2100
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 58AC7446
P 7100 3000
F 0 "C6" H 7125 3075 50  0000 L CNN
F 1 "1n" H 7125 2925 50  0000 L CNN
F 2 "LibreSolar:C_0603_1608" H 7100 2800 50  0001 C CNN
F 3 "" H 7125 3075 50  0000 C CNN
F 4 "NP0/C0G" H 7200 3000 50  0000 L CNN "Remarks"
F 5 "Murata" H 200 200 50  0001 C CNN "Manufacturer"
F 6 "GRM1885C2A102JA01D" H 200 200 50  0001 C CNN "PartNumber"
	1    7100 3000
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 58AC810E
P 7000 2600
F 0 "R4" V 6930 2600 50  0000 C CNN
F 1 "4.7" V 7070 2600 50  0000 C CNN
F 2 "LibreSolar:R_1206_3216" H 7000 2600 50  0001 C CNN
F 3 "" H 7000 2600 50  0000 C CNN
F 4 "Yageo" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "RC1206FR-074R7L" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 200 300 50  0001 C CNN "SPR"
F 7 "" H 200 300 50  0001 C CNN "SPN"
F 8 "" H 200 300 50  0001 C CNN "SPURL"
	1    7000 2600
	1    0    0    1   
$EndComp
$Comp
L R R5
U 1 1 58AC7B4A
P 7200 2600
F 0 "R5" V 7130 2600 50  0000 C CNN
F 1 "4.7" V 7270 2600 50  0000 C CNN
F 2 "LibreSolar:R_1206_3216" H 7200 2600 50  0001 C CNN
F 3 "" H 7200 2600 50  0000 C CNN
F 4 "Yageo" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "RC1206FR-074R7L" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 200 300 50  0001 C CNN "SPR"
F 7 "" H 200 300 50  0001 C CNN "SPN"
F 8 "" H 200 300 50  0001 C CNN "SPURL"
	1    7200 2600
	1    0    0    1   
$EndComp
$Comp
L L_Core_Iron L1
U 1 1 58ACD441
P 7600 2400
F 0 "L1" V 7725 2400 50  0000 C CNN
F 1 "22uH" V 7525 2400 50  0000 C CNN
F 2 "LibreSolar:L-FERYSTER-DTMSS-27" V 7800 2400 50  0001 C CNN
F 3 "" H 7600 2400 50  0001 C CNN
F 4 "Feryster" H 200 350 50  0001 C CNN "Manufacturer"
F 5 "DTMSS-27/0,033/20-H" H 200 350 50  0001 C CNN "PartNumber"
F 6 "Feryster" H 200 350 50  0001 C CNN "SPR"
F 7 "" H 200 350 50  0001 C CNN "SPN"
F 8 "" H 200 350 50  0001 C CNN "SPURL"
	1    7600 2400
	0    -1   -1   0   
$EndComp
$Comp
L MMBT3904 T1
U 1 1 58ACF046
P 8000 5000
F 0 "T1" H 8200 5075 50  0000 L CNN
F 1 "MMBT3904" H 8200 5000 50  0000 L CNN
F 2 "LibreSolar:SOT-23" H 8200 4925 50  0001 L CIN
F 3 "" H 8000 5000 50  0001 L CNN
F 4 "Diodes Inc." H 5250 -400 50  0001 C CNN "Manufacturer"
F 5 "MMBT3904-7-F" H 5250 -400 50  0001 C CNN "PartNumber"
	1    8000 5000
	1    0    0    -1  
$EndComp
$Comp
L C C12
U 1 1 58AD9379
P 2400 5000
F 0 "C12" H 2420 5070 50  0000 L CNN
F 1 "1u" H 2420 4930 50  0000 L CNN
F 2 "LibreSolar:C_0603_1608" H 2400 5000 50  0001 C CNN
F 3 "" H 2400 5000 50  0000 C CNN
F 4 "Murata" H -800 950 50  0001 C CNN "Manufacturer"
F 5 "GRM188R61E105KA12D" H -800 950 50  0001 C CNN "PartNumber"
F 6 "25V, X5R" H 2250 5000 50  0000 C CNN "Remarks"
F 7 "" H 0   0   60  0001 C CNN "Comment"
	1    2400 5000
	1    0    0    -1  
$EndComp
$Comp
L Screw_Terminal_1x02 J3
U 1 1 58A7CE11
P 10000 2800
F 0 "J3" H 10000 3050 50  0000 C TNN
F 1 "BAT" H 10100 2600 50  0000 R TNN
F 2 "LibreSolar:Phoenix_Contact_MKDS_5-2-952" H 10000 2575 50  0001 C CNN
F 3 "" H 9975 2800 50  0001 C CNN
F 4 "Phoenix Contact" H 0   0   60  0001 C CNN "Manufacturer"
F 5 "1714971" H 0   0   60  0001 C CNN "PartNumber"
	1    10000 2800
	-1   0    0    1   
$EndComp
$Comp
L Screw_Terminal_1x02 J1
U 1 1 58A7E35A
P 1650 2100
F 0 "J1" H 1650 2350 50  0000 C TNN
F 1 "SOLAR" H 1600 1900 50  0000 L TNN
F 2 "LibreSolar:Phoenix_Contact_MKDS_5-2-952" H 1650 1875 50  0001 C CNN
F 3 "" H 1625 2100 50  0001 C CNN
F 4 "Phoenix Contact" H 1650 2100 60  0001 C CNN "Manufacturer"
F 5 "1714971" H 1650 2100 60  0001 C CNN "PartNumber"
	1    1650 2100
	1    0    0    1   
$EndComp
$Comp
L Screw_Terminal_1x02 J2
U 1 1 58A7FE07
P 9900 5400
F 0 "J2" H 9900 5650 50  0000 C TNN
F 1 "LOAD" H 9900 5200 50  0000 C TNN
F 2 "LibreSolar:Phoenix_Contact_MKDS_5-2-952" H 9900 5175 50  0001 C CNN
F 3 "" H 9875 5400 50  0001 C CNN
F 4 "Phoenix Contact" H 0   0   60  0001 C CNN "Manufacturer"
F 5 "1714971" H 0   0   60  0001 C CNN "PartNumber"
	1    9900 5400
	-1   0    0    -1  
$EndComp
$Comp
L CP C2
U 1 1 58A857B0
P 4000 2100
F 0 "C2" H 4025 2175 50  0000 L CNN
F 1 "1000u" H 4025 2025 50  0000 L CNN
F 2 "Capacitors_THT:CP_Radial_D16.0mm_P7.50mm" H 4025 1875 50  0001 L CNN
F 3 "" H 4025 2175 50  0000 C CNN
F 4 "United Chemi-Con" H 600 300 50  0001 C CNN "Manufacturer"
F 5 "EKYB630ELL102ML25S" H 600 300 50  0001 C CNN "PartNumber"
F 6 "" H 4025 1925 50  0001 L CNN "Comment"
F 7 "63V, 2.74A, 16x25" H 0   0   60  0001 C CNN "Remarks"
	1    4000 2100
	1    0    0    -1  
$EndComp
$Comp
L CP C5
U 1 1 58A85EB1
P 8000 2800
F 0 "C5" H 8020 2870 50  0000 L CNN
F 1 "820u" H 8020 2720 50  0000 L CNN
F 2 "Capacitors_THT:CP_Radial_D10.0mm_P5.00mm" H 8000 2800 50  0001 C CNN
F 3 "" H 8000 2800 50  0000 C CNN
F 4 "Panasonic" H 4200 1000 50  0001 C CNN "Manufacturer"
F 5 "EEU-FR1V821L" H 4200 1000 50  0001 C CNN "PartNumber"
F 6 "35V, 2.47A" H 0   0   60  0001 C CNN "Remarks"
	1    8000 2800
	1    0    0    -1  
$EndComp
$Comp
L C C3
U 1 1 58A8683F
P 4400 2100
F 0 "C3" H 4420 2170 50  0000 L CNN
F 1 "2.2u" H 4420 2030 50  0000 L CNN
F 2 "LibreSolar:C_1210_3225" H 4400 2100 50  0001 C CNN
F 3 "" H 4400 2100 50  0000 C CNN
F 4 "Murata" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "GRM31CR72A225KA73L" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 4400 2100 60  0001 C CNN "Comment"
F 7 "TY HMK325B7225KN-T" H 0   0   60  0001 C CNN "Alternative"
F 8 "100V, X7R" H 0   0   60  0001 C CNN "Remarks"
	1    4400 2100
	1    0    0    -1  
$EndComp
$Comp
L D D1
U 1 1 58A87233
P 4200 3000
F 0 "D1" H 4200 3100 50  0000 C CNN
F 1 "1N4148" H 4200 2900 50  0000 C CNN
F 2 "LibreSolar:D_SOD-123" V 4200 3000 50  0001 C CNN
F 3 "" V 4200 3000 50  0000 C CNN
F 4 "Diodes Inc." H 150 200 50  0001 C CNN "Manufacturer"
F 5 "1N4148W-7-F" H 150 200 50  0001 C CNN "PartNumber"
F 6 "" H 150 200 50  0001 C CNN "SPR"
	1    4200 3000
	1    0    0    -1  
$EndComp
$Comp
L Fuse F1
U 1 1 58AA3600
P 8900 2400
AR Path="/58AA3600" Ref="F1"  Part="1" 
AR Path="/58A68DC9/58AA3600" Ref="F1"  Part="1" 
F 0 "F1" H 8900 2475 50  0000 C CNN
F 1 "25A" H 8900 2325 50  0000 C CNN
F 2 "LibreSolar:KEYSTONE-FUSE-3557-2" H 8900 2400 50  0001 C CNN
F 3 "" H 8900 2400 50  0000 C CNN
F 4 "Keystone" H -100 350 50  0001 C CNN "Manufacturer"
F 5 "3557-2" H -100 350 50  0001 C CNN "PartNumber"
	1    8900 2400
	1    0    0    -1  
$EndComp
$Comp
L +10V #PWR05
U 1 1 58BE9B73
P 7600 4400
F 0 "#PWR05" H 7600 4250 50  0001 C CNN
F 1 "+10V" H 7600 4540 50  0000 C CNN
F 2 "" H 7600 4400 50  0000 C CNN
F 3 "" H 7600 4400 50  0000 C CNN
	1    7600 4400
	1    0    0    -1  
$EndComp
$Comp
L +10V #PWR06
U 1 1 58BEA73B
P 2400 4700
F 0 "#PWR06" H 2400 4550 50  0001 C CNN
F 1 "+10V" H 2400 4840 50  0000 C CNN
F 2 "" H 2400 4700 50  0000 C CNN
F 3 "" H 2400 4700 50  0000 C CNN
	1    2400 4700
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 58BEC59A
P 3400 2800
F 0 "R2" V 3330 2800 50  0000 C CNN
F 1 "1M" V 3470 2800 50  0000 C CNN
F 2 "LibreSolar:R_0603_1608" H 3400 2800 50  0001 C CNN
F 3 "" H 3400 2800 50  0000 C CNN
F 4 "Yageo" H 200 250 50  0001 C CNN "Manufacturer"
F 5 "RC0603FR-071ML" H 200 250 50  0001 C CNN "PartNumber"
F 6 "" H 200 250 50  0001 C CNN "SPR"
F 7 "" H 200 250 50  0001 C CNN "SPN"
F 8 "" H 200 250 50  0001 C CNN "SPURL"
	1    3400 2800
	1    0    0    -1  
$EndComp
$Comp
L LM5107 U1
U 1 1 58C054FE
P 3400 5000
F 0 "U1" H 3400 5350 50  0000 C CNN
F 1 "LM5107" H 3400 4650 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 3450 5000 60  0001 C CNN
F 3 "" H 3450 5000 60  0001 C CNN
F 4 "Texas Instruments" H -800 950 50  0001 C CNN "Manufacturer"
F 5 "LM5107MA" H -800 950 50  0001 C CNN "PartNumber"
	1    3400 5000
	1    0    0    -1  
$EndComp
$Comp
L Q_NMOS Q1
U 1 1 58C3E2A8
P 6200 2100
F 0 "Q1" H 6400 2150 50  0000 L CNN
F 1 "CSD18540Q5B" H 6400 2050 50  0000 L CNN
F 2 "LibreSolar:5X6_MOSFET" H 6400 2200 50  0001 C CNN
F 3 "" H 6200 2100 50  0001 C CNN
F 4 "Texas Instruments" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "CSD18540Q5BT" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 200 300 50  0001 C CNN "SPR"
F 7 "" H 200 300 50  0001 C CNN "SPN"
F 8 "" H 200 300 50  0001 C CNN "SPURL"
	1    6200 2100
	1    0    0    -1  
$EndComp
$Comp
L Q_NMOS Q4
U 1 1 58C40039
P 6200 2800
F 0 "Q4" H 6400 2850 50  0000 L CNN
F 1 "CSD18540Q5B" H 6400 2750 50  0000 L CNN
F 2 "LibreSolar:5X6_MOSFET" H 6400 2900 50  0001 C CNN
F 3 "" H 6200 2800 50  0001 C CNN
F 4 "Texas Instruments" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "CSD18540Q5BT" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 200 300 50  0001 C CNN "SPR"
F 7 "" H 200 300 50  0001 C CNN "SPN"
F 8 "" H 200 300 50  0001 C CNN "SPURL"
	1    6200 2800
	1    0    0    -1  
$EndComp
$Comp
L Q_NMOS Q2
U 1 1 58C41D81
P 3000 2700
F 0 "Q2" H 3200 2750 50  0000 L CNN
F 1 "CSD18540Q5B" H 3200 2650 50  0000 L CNN
F 2 "LibreSolar:5X6_MOSFET" H 3200 2800 50  0001 C CNN
F 3 "" H 3000 2700 50  0001 C CNN
F 4 "Texas Instruments" H 400 250 50  0001 C CNN "Manufacturer"
F 5 "CSD18540Q5BT" H 400 250 50  0001 C CNN "PartNumber"
F 6 "" H 400 250 50  0001 C CNN "SPR"
F 7 "" H 400 250 50  0001 C CNN "SPN"
F 8 "" H 400 250 50  0001 C CNN "SPURL"
	1    3000 2700
	0    -1   -1   0   
$EndComp
$Comp
L Q_NMOS Q3
U 1 1 58C43871
P 8800 5400
F 0 "Q3" H 9000 5450 50  0000 L CNN
F 1 "CSD18540Q5B" H 9000 5350 50  0000 L CNN
F 2 "LibreSolar:5X6_MOSFET" H 9000 5500 50  0001 C CNN
F 3 "" H 8800 5400 50  0001 C CNN
F 4 "Texas Instruments" H 5250 -400 50  0001 C CNN "Manufacturer"
F 5 "CSD18540Q5BT" H 5250 -400 50  0001 C CNN "PartNumber"
F 6 "" H 5250 -400 50  0001 C CNN "SPR"
F 7 "" H 5250 -400 50  0001 C CNN "SPN"
F 8 "" H 5250 -400 50  0001 C CNN "SPURL"
	1    8800 5400
	0    1    1    0   
$EndComp
Text Notes 1450 2650 0    50   ~ 0
Solar Panel\nVoltage: 16-55 V
Text Notes 6600 1450 0    100  ~ 0
DC/DC power stage
Text Notes 8000 4100 0    100  ~ 0
Load output
Text Notes 2850 4475 0    100  ~ 0
MOSFET driver
Text Notes 9000 4800 0    50   ~ 0
Alternative: 330R at MOSFET gate\n--> 10.4/330 = 31 mA max
Text Notes 5150 7600 0    50   ~ 0
If not stated otherwise, all MLCC 50V X7R
Text Label 9425 5500 2    50   ~ 0
LOAD-
Text Notes 9575 5775 0    50   ~ 0
MKDS_5/2-9,52
Text Notes 1300 1700 0    50   ~ 0
MKDS_5/2-9,52
Text Notes 9850 3150 0    50   ~ 0
MKDS_5/2-9,52
Text HLabel 3000 4900 0    50   Input ~ 0
PWM_HS
Text HLabel 3000 5000 0    50   Input ~ 0
PWM_LS
Text Label 4100 5200 2    50   ~ 0
LS_DRV
Text Label 5350 2100 0    50   ~ 0
HS_DRV
Text Label 4100 5000 2    50   ~ 0
HS_DRV
Text Label 5300 2800 0    50   ~ 0
LS_DRV
Text Label 4100 5100 2    50   ~ 0
SW_NODE
Text HLabel 7050 5000 0    50   Input ~ 0
~LOAD_EN
Text Label 6550 2400 0    50   ~ 0
SW_NODE
Text Label 1950 2200 0    50   ~ 0
SOLAR-
Text Label 1950 2000 0    50   ~ 0
SOLAR+
Text HLabel 8600 2300 1    50   Output ~ 0
DCDC_OUT
Text HLabel 5400 1600 1    50   Output ~ 0
DCDC_IN
Text HLabel 9600 5300 0    50   Input ~ 0
DCDC_OUT
Text HLabel 9100 3300 3    50   Output ~ 0
BAT-
Text HLabel 7200 5600 3    50   Output ~ 0
LOAD-SW
Text HLabel 6800 5500 0    50   Input ~ 0
BAT-
Text HLabel 8700 3300 3    50   Output ~ 0
DCDC-
Text Label 9500 2700 0    50   ~ 0
BAT+
$Comp
L CP C1
U 1 1 59108F15
P 3600 2100
F 0 "C1" H 3625 2175 50  0000 L CNN
F 1 "1000u" H 3625 2025 50  0000 L CNN
F 2 "Capacitors_THT:CP_Radial_D16.0mm_P7.50mm" H 3625 1875 50  0001 L CNN
F 3 "" H 3625 2175 50  0000 C CNN
F 4 "United Chemi-Con" H 200 300 50  0001 C CNN "Manufacturer"
F 5 "EKYB630ELL102ML25S" H 200 300 50  0001 C CNN "PartNumber"
F 6 "" H 3625 1925 50  0001 L CNN "Comment"
F 7 "63V, 2.74A, 16x25" H 0   0   60  0001 C CNN "Remarks"
	1    3600 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 4700 2400 4900
Wire Wire Line
	3100 4800 2400 4800
Wire Wire Line
	7600 4500 7700 4500
Wire Wire Line
	9000 2400 9400 2400
Wire Wire Line
	9000 3200 9400 3200
Wire Wire Line
	6800 5500 6900 5500
Wire Wire Line
	8100 5500 8100 5200
Wire Wire Line
	7700 5500 7700 5300
Wire Wire Line
	2600 2000 2600 1700
Wire Wire Line
	7750 2400 8800 2400
Wire Wire Line
	8600 2400 8600 2300
Wire Wire Line
	3100 5200 2400 5200
Wire Wire Line
	2400 5100 2400 5300
Wire Wire Line
	6700 3300 6700 3200
Wire Wire Line
	4700 2600 4700 2200
Wire Wire Line
	4000 2600 4000 2200
Wire Wire Line
	4400 2600 4400 2200
Wire Wire Line
	4800 2600 4800 2700
Wire Wire Line
	3900 4700 3800 4700
Wire Wire Line
	3800 4700 3800 4800
Wire Wire Line
	3800 4800 3700 4800
Wire Wire Line
	3700 5000 4100 5000
Wire Wire Line
	5700 2100 5350 2100
Wire Wire Line
	3700 5200 4100 5200
Wire Wire Line
	5300 2800 5600 2800
Wire Wire Line
	4100 4700 4300 4700
Wire Wire Line
	4300 4700 4300 4800
Wire Wire Line
	8100 4500 8100 4800
Wire Wire Line
	8100 4700 8350 4700
Wire Wire Line
	7900 4500 8100 4500
Wire Wire Line
	7400 5000 7800 5000
Wire Wire Line
	7700 5000 7700 5100
Wire Wire Line
	2600 2600 2600 2200
Wire Wire Line
	4300 5100 4300 5000
Wire Wire Line
	3100 4900 3000 4900
Wire Wire Line
	3100 5000 3000 5000
Wire Wire Line
	7050 5000 7200 5000
Wire Wire Line
	2300 1700 2300 2000
Wire Wire Line
	2300 2000 1850 2000
Wire Wire Line
	1850 2200 2300 2200
Wire Wire Line
	2300 2200 2300 2600
Wire Wire Line
	3700 5100 4300 5100
Wire Wire Line
	7600 4400 7600 4500
Wire Wire Line
	2300 1700 6300 1700
Wire Wire Line
	5900 2100 6000 2100
Wire Wire Line
	4700 1700 4700 2000
Wire Wire Line
	4400 2000 4400 1700
Wire Wire Line
	4000 2000 4000 1700
Wire Wire Line
	3400 2700 3400 2600
Wire Wire Line
	3400 2900 3400 3000
Wire Wire Line
	6300 2400 7450 2400
Wire Wire Line
	9700 5300 9600 5300
Wire Wire Line
	9400 2400 9400 2700
Wire Wire Line
	9400 2900 9800 2900
Wire Wire Line
	9400 2700 9800 2700
Wire Wire Line
	8550 4700 8800 4700
Wire Wire Line
	6300 1700 6300 1900
Wire Wire Line
	5800 2800 6000 2800
Wire Wire Line
	5900 3000 5900 2800
Wire Wire Line
	4300 3000 5900 3000
Wire Wire Line
	6300 2300 6300 2600
Wire Wire Line
	6300 3200 6300 3000
Wire Wire Line
	2300 2600 2800 2600
Wire Wire Line
	3200 2600 4800 2600
Wire Wire Line
	3000 2900 3000 3000
Wire Wire Line
	3000 3000 4100 3000
Wire Wire Line
	9700 5500 9000 5500
Wire Wire Line
	7100 5500 8600 5500
Wire Wire Line
	8800 4700 8800 5200
Wire Wire Line
	5400 1700 5400 1600
Connection ~ 2400 4800
Connection ~ 8100 5500
Connection ~ 7700 5500
Connection ~ 2600 1700
Connection ~ 8600 2400
Connection ~ 2400 5200
Connection ~ 6700 3200
Connection ~ 4000 2600
Connection ~ 4700 2600
Connection ~ 4400 2600
Connection ~ 3400 2600
Connection ~ 3400 3000
Connection ~ 8100 4700
Connection ~ 7700 5000
Connection ~ 2600 2600
Connection ~ 4700 1700
Connection ~ 4400 1700
Connection ~ 4000 1700
Connection ~ 5900 2800
Connection ~ 6300 2400
Connection ~ 5400 1700
Wire Wire Line
	9400 3200 9400 2900
Wire Wire Line
	7200 5600 7200 5500
Connection ~ 7200 5500
Wire Wire Line
	8700 3200 8700 3300
Connection ~ 8700 3200
Wire Wire Line
	9100 3300 9100 3200
Connection ~ 9100 3200
Wire Wire Line
	3600 2000 3600 1700
Connection ~ 3600 1700
Wire Wire Line
	3600 2200 3600 2600
Connection ~ 3600 2600
Wire Wire Line
	8000 2700 8000 2400
Connection ~ 8000 2400
Wire Wire Line
	8000 2900 8000 3200
Connection ~ 8000 3200
$Comp
L Heatsink_PAD HS1
U 1 1 595541CE
P 5800 1400
F 0 "HS1" H 5941 1441 50  0000 L CNN
F 1 "Heatsink_PAD" H 5941 1350 50  0000 L CNN
F 2 "LibreSolar:Fischer_Elektronik_FK_250_10_LF_PAK" H 5812 1350 50  0001 C CNN
F 3 "" H 5812 1350 50  0001 C CNN
F 4 "Fischer Elektronik" H 0   0   60  0001 C CNN "Manufacturer"
F 5 "FK 250 10 LF PAK" H 0   0   60  0001 C CNN "PartNumber"
	1    5800 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 1700 5800 1500
Connection ~ 5800 1700
Wire Wire Line
	6300 3200 8800 3200
Wire Wire Line
	7000 2400 7000 2500
Connection ~ 7000 2400
Wire Wire Line
	7200 2400 7200 2500
Connection ~ 7200 2400
Wire Wire Line
	7200 2800 7200 2700
Wire Wire Line
	7000 2800 7200 2800
Wire Wire Line
	7100 2800 7100 2900
Wire Wire Line
	7000 2800 7000 2700
Connection ~ 7100 2800
Wire Wire Line
	7100 3100 7100 3200
Connection ~ 7100 3200
$EndSCHEMATC