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STD Automatic cut off charger (5v to 24v automatic charger)
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Project source: Cloned from Auto cut off charger
Description
A chrger circute with auto cut off.We can set cut of range using 10k varible resistor.
(NB: use realy according to the step down transformer out put current and voltage)
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | C1815 | Q1 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-TR | 1 |
| 2 | transfomer | NO | FLYBACK TRANSFORMER 2.1 | 1 |
| 3 | LED-0603_R | LED2,LED1 | LED0603_RED | 2 |
| 4 | Bridge rectifier | D4 | BRIDGE-MBF | 1 |
| 5 | 10K | R1 | RM063-103 | 1 |
| 6 | RELAY | K1 | RELAY-TH_SRD-S-1XXXXX | 1 |
| 7 | 100 | R2 | R0603 | 1 |
| 8 | 10K | R4 | R0603 | 1 |
| 9 | 1k | R3 | R0603 | 1 |
| 10 | 1N4007 | D1,D2,D3 | SOD-123_L2.8-W1.8-LS3.7-RD | 3 |
| 11 | 1000u | C1 | CASE-A_3216 | 1 |
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