Posts Tagged ‘MCP73831’

3.7V Li-Ion battery charger circuit

Monday, March 2nd, 2015

From the comments on our earlier standalone Linear Li-Ion battery charger with thermal regulation in ThinSOT app note post, Jan writes: Nice chip, indeed. Unfortunately not easy to find stocked – here I can get it only from Farnell (5 euro + VAT a pop) or Digikey ($3/pc + VAT +...

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Posted in power supply | 6 Comments »

Open source DIY friendly Li Ion battery charger

Monday, February 4th, 2013

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...

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Posted in DIY, Lithium Ion | 2 Comments »

LiPo USB charger using the MCP73831

Tuesday, January 31st, 2012

Paul Asselin has written a description of his design of a USB Lithium Polymer battery charger. I wanted to build a cheap USB LiPo charger and didn't like the unavailability nor the price of the Maxim's MAX1555. Searching for something better, I stumbled upon the Microchip MCP73831. It is still...

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Posted in how-to, project logs, USB | 15 Comments »

Recent Comments

  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...
  • jose: Part removal described here is pure butchery, the cheapest hot air station will do a fast and clean job removing the QFP, heat air to...
  • Cody: Yes please
  • Marko: armature -> amateur
  • Crawford: Dibs,