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STD UPS, backup battery (18650) power 5V
UPS, backup battery (18650) power 5V
License
Public Domain
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Update time：
2018-06-30 18:07:04
Creation time：
2018-05-13 04:09:03
Description
Description
UPS, backup battery power on 18650
Used three modules from aliexpress:
1. step down 12V->5V (MP1584EN)
2. lithium battery charger with protection (TP4056)
3. step up (MT3608)
Design Drawing
Design Drawing
schematic diagram
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1
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 20k | R1 | AXIAL-0.4 | 1 |
| 2 | 10k | R2 | AXIAL-0.4 | 1 |
| 3 | TP4056 + Protection | TP | TP4056+18650 MY COPY | 1 |
| 4 | DC-DC | STEPDOWN | SHS_DSUN_PCB | 1 |
| 5 | DC-DC-STEP-UP-MT3608 | STEPUP | DC-DC-STEP-UP-MT3608 | 1 |
| 6 | Header-Male-2.54_1x6 | OUT | HDR-6X1/2.54 | 1 |
| 7 | Header-Male-2.54_1x3 | IN | HDR-3X1/2.54 | 1 |
| 8 | SS34 | D1,D2 | SS34 | 2 |
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