App note: Switching battery chargers

App note from Richtek about several aspects of switching chargers for single cell Li-Ion batteries. Link here (PDF) Longer battery life and shorter charging times are some of the challenges in battery management in modern hand-held applications like Smart-Phones, Tablet PCs, POS and other portable equipment. Devices with powerful processors are more power hungry and […]

Automatic 18650 Analyzer

Gregor wrote an instructable detailing the build of his Automatic 18650 Analyzer project: The idea behind this project was to create a cost effective device that could automatically charge and discharge multiple 18650 cells while determining the effective capacity of each individual cell. Individual cells can be binned by capacity, so multiple parallel packs with […]

Open source DIY friendly Li Ion battery charger

Miceuz designed 2 open source single sided boards for Li Ion battery chargers. He used the MAX1555 and MCP73831 ICs as the charging controller, power is provided through USB. We especially like his battery holder rig. For a long time I wanted to enter the 21st century by stopping using NiCad or NiMH batteries and […]

App note: MSP430 based USB Li-Ion battery charger with fuel gauge

An MSP430-based USB Li-Ion battery charger with a fuel gauge: The example cases discussed in this application report provide a basic understanding of what needs to be done at production, as well as on the application level, to achieve the aforementioned goals. The associated software provides library functions to interface and communicate with the bq27410 […]