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Power

Bulk cap

Larger capacitor (10 µF+) that supplies slower current changes.

How it looks

Real image: CORE3588, rendered by KiCad from our board file
1231 mm
Bulk capacitors on CORE3588, 8.6 x 7.8 mm: about 116 uF together, a thousand times a 100 nF decoupling cap.

How it works

A RESERVOIR FOR SLOW SWINGSsupplywhole boardbulk cap: 10 uF and upcameras switch on: the board's current jumpssmall decoupling caps at each chip

Where it fits

Bulk caps hold up VIN and the main rails; every buck converter needs one at its input.

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