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3 Feb 2012

This is a tiny, easy to make USB Lithium-Polymer battery charger. It’s based on the MAX1555 charger IC.

Tiny USB Li-Po battery charger - [Link]

2 Nov 2011

Lithium-polymer battery charger chips @ Dangerous Prototypes – [via]

Lithium-polymer batteries are an excellent choice for portable projects. They are relatively cheap, hold a significant charge, and last for a long time. The drawback with these batteries is that they require rather complicated charging protocols. You have to watch out for overcharging, undercharging, overheating, etc…
We are looking for a standard part to use in our projects, so we decided to do a roundup of open source lithium polymer chargers from SparkFun, Seeed Studio, and Adafruit. With the exception of Seeed, all the chargers are based on Microchip’s MCP738xx family of battery management ICs that come in SSOP and DFN packages. They handle all the charging algorithms and usually only require a single external capacitor.

Lithium-polymer battery charger chips - [Link]

13 Sep 2010

Lithium Polymer Batteries are a very common source of power today. Many electronics gadgets have one inside, and they have some reasonable features. I’ve bought great batteries, with different sizes and capacities for my electronics projects. So long I’m using this batteries, coming the problem: charge them.

USB Single Cell LiPoly Charger - [Link]



 
 
 

 

 

 

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