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Std edition li-ion_solar_charger_pcb2_v3

Profile：Li-Ion Charger Module PCB 2 / 4

License: Public Domain

Published Time: 2022-05-10 20:34:16
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Description
Li-Ion / Li-Po Solar charger manager PCB 2 / 4 Charging current from 5V rail: 70mA 5.15V rail generated from the solar panel and fed to Vcap post via 3x22R parallel resistors and capacitors (3x22ohm resistors in parallel and 3x1000uF capacitors in parallel) Status indication LEDs for: - charger module 1 (charging mode active) - charger module 2 (charging mode active) - 9V rail status ok - 5V rail status ok REVISION: 3.0b
Design Drawing
schematic diagram
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PCB
（ 1 / ）
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 RED +5V,+9V LED0805-RD 2
2 100nF C1,C3,C5,C6,C7,C17,C19,C22 C0805 8
3 10uF C2,C4 C0805 2
4 1uF C8,C13,C18,C25 C1206 4
5 47uF C9 CAP-SMD_BD5.0-L5.3-W5.3-RD 1
6 22uF C10,C11 CAP-SMD_L3.5-W2.8-R-RD 2
7 4.7uF C12,C14,C15,C16,C21,C23 C1206 6
8 1000uF C20,C26,C27 CAP-SMD_BD10.0-L10.3-W10.3-RD 3
9 220pF C24 C0805 1
10 100nF C28 C0603 1
11 XH-2AW_C722860 CN1,CN2,CN3,CN4 CONN-TH_XH-2AW_C722860 4
12 SS14 D1 SMA_L4.4-W2.8-LS5.4-RD 1
13 M7 D2,D3 DO-214AC_L4.3-W2.7-LS5.3-RD 2
14 10uH L1 L1206 1
15 FC-2012HRK-620D LED1,LED2 LED0805-RD 2
16 FS8205A Q1 TSSOP-8_L4.4-W3.5-P0.65-LS6.4-BL 1
17 8.2K R1 R0805 1
18 1.5K R2 R0805 1
19 18K R3 R0805 1
20 1 R4,R5,R6,R7,R16,R23,R25,R26 R0805 8
21 300 R8,R13,R21 R0805 3
22 3.3K R9 R0805 1
23 270K R10 R0805 1
24 150Ω R11 R0805 1
25 430Ω R12 R0805 1
26 3.09K R14,R22 R0805 2
27 22R R15,R17,R20 RES-TH_BD6.0-L17.5-P21.50-D0.8 3
28 470 R18 R0805 1
29 1R R19,R24 R1206 2
30 732K R27,R28 R0805 2
31 200R R29 R0603 1
32 1k R30 R0603 1
33 IRLML5203TRPBF T1 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1
34 TESTPAD TP1,TP2,TP3,TP4,TP5,TP6,TP7,TP8 TESTPAD 8
35 LV2842XLVDDCR U1 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1
36 SE8117TA-HF-ADJ U2 SOT-223_L6.5-W3.5-P2.30-LS7.0-BR 1
37 PT4054 U3,U4 SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL 2
38 DW01+G U6 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1

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