Home Blog  






4 Dec 2012

circuitsdiy.com writes:

This is a simple li-ion charger without a dedicated li-ion charger IC. This circuit can be used to efficiently and intelligently charge any single cell Li-ion battery pack like mobile battery, digicam battery, etc.

Features:

  • Charging via mini-USB connector which is very common.
  • Charging status display by LED
  • Simple circuit by using opamp, resistor, and not by any complex dedicated IC or micro-controller.
  • Charges completely drained (0V) battery packs.
  • Max charging current 500mA (limited by USB supply), depending on battery.

Simple USB DIY Li-ion battery charger – [Link]

Leave a Reply

You must be logged in to post a comment.



 
 
 

 

 

 

Search Site | Advertising | Contact Us
Elektrotekno.com | Free Schematics Search Engine | Electronic Kits