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Raspberry Pi UPS

1 year ago 1354
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Description

This simple UPS for the Raspberry Pi utilizes supercaps to provide enough backup power for the Pi to shut down safely or to weather brownouts. A digital output pin is supplied to issue a power out condition to the Pi.

Documents

Pi UPS Sch

Pi UPS PCB

BOM

ID Name Designator Footprint Quantity
1 1k R1,R2 0805 2
2 100R R4,R5 0805 2
3 5.3v Input P1 HDR-2X1/2.54 1
4 5v Out P2 HDR-2X1/2.54 1
5 To GPIO pin P3 HDR-1X1/2.54 1
6 To SuperCaps P4 HDR-3X1/2.54 1
7 10R, 1/2W R3 1206 1
8 SCHOTTKY-DIODEDFLS130L-7 D1 POWERDI-123 1
9 MAX40200 U1 SOT-23-5 1

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