Build your own powerbank! On-board charge IC, boost IC, Atmega328P, fuel gauge IC and WS2812B RGB led. Full dynamic power path management.

A breakout board for TPS25810, turn any 5V 3A power supply into a type-C power delivery port.

Improved on the BQ25895 breakout PCB. For a full list of changes read full article.

Just ordered a breakout for LTC2942 single cell lithium battery gas gauge, an I2C controlled coulomb counter. Interesting companion to BQ25895?

TI  recently released an IC combining a single cell 5A lithium charger and 3.1A 5V booster: the BQ25895. Below a working test circuit. Writeup soon.