lithium polymer battery charging circuitry

[zia]

hi i want to make pic microcontroller based safe lipo battery charger. may u people help me

 

[tpetar]

Hi Zia,

You can use dedicated IC for this purpose, its very small and need only few external parts.

For example : MCP73832/1 Single Cell Li-Ion Li-Po Charger, price around 0,4-0,5eur SOT-23-5.

Here is project with PIC16F88 which can charge and test multi chemistry batteries:

Smart battery tester and charger Li-Ion NiMh LCD PIC16F88
http://www.elektronika.ba/795/pametni-tester-i-punjac-baterija/