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STD ChargerMPPT2018_02
License: BSD
Mode: Editors' pick
- 4
Update time：
2023-01-08 06:08:40
Creation time：
2018-06-06 23:11:48
Description
12V Solar MPPT Charger up to 4A.
Adjustable MPPT voltage setting.
Automatic load disconnect/reconnect with hysteresis.
Fits into an AK-14 case that can be purchased from Aliexpress.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Supplier Part |
|---|---|---|---|---|---|---|
| 1 | 47uF | C1,C2,C10 | CAP-D6.3XF2.5 | 3 | LCSC | C45100 |
| 2 | 1uF | C3,C4,C13 | C0603 | 3 | LCSC | C15849 |
| 3 | 1uF | C5,C9 | 0805 | 2 | LCSC | C126635 |
| 4 | 100n | C6,C7 | 0805 | 2 | LCSC | C126635 |
| 5 | 220n | C8 | 0805 | 1 | LCSC | C126635 |
| 6 | 470pF | C11,C12 | C0603 | 2 | LCSC | C1620 |
| 7 | SS54_C22452 | D1,D2,D3 | SMA_L4.4-W2.8-LS5.4-R-RD | 3 | LCSC | C22452 |
| 8 | 5A | F1 | FUSE-M205-CLIPS | 1 | LCSC | C3130 |
| 9 | KF301-5.0-2P | J1,J2,U3 | CONN-TH_P5.00_KF301-5.0-2P | 3 | LCSC | C474881 |
| 10 | 22uH | L1 | IND-SMD_L10.5-W10.3_SLD10D50 | 1 | LCSC | C216169 |
| 11 | 19-217/BHC-ZL1M2RY/3T | LED1 | LED0603-R-RD_BLUE | 1 | LCSC | C72041 |
| 12 | 19-213/Y2C-CQ2R2L/3T(CY) | LED2 | LED0603-R-RD | 1 | LCSC | C72038 |
| 13 | 19-217/GHC-YR1S2/3T | LED3,LED4 | LED0603-R-RD | 2 | LCSC | C72043 |
| 14 | AO3401A | Q1,Q2,Q4 | SOT-23_L2.9-W1.3-P1.90-LS2.4-BR | 3 | LCSC | C15127 |
| 15 | Si2318CDS-T1-GE3 | Q3 | SOT-23(SOT-23-3) | 1 | LCSC | C14498 |
| 16 | 0.15Ω | R1 | 2512 | 1 | LCSC | C76256 |
| 17 | 1kΩ | R2 | R0603 | 1 | LCSC | C21190 |
| 18 | 43kΩ | R3 | R0603 | 1 | LCSC | C319628 |
| 19 | 220Ω | R4 | R0603 | 1 | LCSC | C22962 |
| 20 | 5.23kΩ | R5 | R0603 | 1 | LCSC | C51223 |
| 21 | 22K | R6,R7,R9 | 0805 | 3 | LCSC | C100046 |
| 22 | 10R | R8,R16,R17 | 0805 | 3 | LCSC | C100046 |
| 23 | 120R | R10 | 0805 | 1 | LCSC | C100046 |
| 24 | 47K | R11 | 0805 | 1 | LCSC | C100046 |
| 25 | 120K | R12 | 0805 | 1 | LCSC | C100046 |
| 26 | 10kΩ | R13 | R0603 | 1 | LCSC | C25804 |
| 27 | 10K | R14 | RES-ADJ_3296W | 1 | LCSC | C118963 |
| 28 | 5kΩ | R15 | RES-ADJ-TH_3296W | 1 | LCSC | C60620 |
| 29 | MPPT | TP1 | HDR-M-2.54_1X1 | 1 | LCSC | C81276 |
| 30 | CN302 | U1 | SOT-23-6 | 1 | LCSC | C32773 |
| 31 | HT7550-1 | U2 | SOT-89 | 1 | LCSC | C16106 |
| 32 | CN3767 | U4 | SSOP-10_150MIL | 1 | LCSC | C81968 |
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