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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

  • gant: They still have a couple of the more expensive (but still considerably cheap) 5S-I-S01 in stock...
  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!