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Li-ion charger + boost copy
2 years agoOpen source license: GPL 3.0
Project source： Cloned from Li-ion charger + boost
Description
Here is a simple li-lion charger with source switching and boost converter. Automatically switches between battery and Input voltage.
BOM
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1.8k | R1 | 0805 | 1 |
| 2 | 1k | R2,R4 | 0805 | 2 |
| 3 | 100R | R3 | 0805 | 1 |
| 4 | 10k | R5,R8 | 0805 | 2 |
| 5 | USB-Micro-1 | USB1 | USB-MICRO-1 | 1 |
| 6 | BATTERY | P1 | HDR-1X2/2.54 | 1 |
| 7 | 9V | P2 | HDR-1X2/2.54 | 1 |
| 8 | TP4057 | U1 | SOT-23-6 | 1 |
| 9 | FS8205 | Q1 | SOT-23-6 | 1 |
| 10 | DW01+G | U2 | SOT-23-6 | 1 |
| 11 | 1u | C1 | 0805 | 1 |
| 12 | 10u | C2,C3,C5,C6,C7 | 0805 | 5 |
| 13 | SI2301CDS-T1-GE3 | Q2 | SOT-23(SOT-23-3) | 1 |
| 14 | 1N5819HW-7-F | D1,D2 | SOD-123 | 2 |
| 15 | LED 1206 | LED1,LED2 | D1206 | 2 |
| 16 | 100n | C4 | 0805 | 1 |
| 17 | MT3608 | U3 | SOT-23-6 | 1 |
| 18 | 22uH | L2 | 5845 | 1 |
| 19 | 3.3k | R6 | 0805 | 1 |
| 20 | 47k | R7 | 0805 | 1 |
| 21 | AO3404 | Q3 | SOT-23(SOT-23-3) | 1 |
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