BD71631QWZ Battery Charger

BD71631QWZ Battery Charger


ROHM’s linear charger for low-voltage batteries achieves low-voltage charging over a wide range by improving the stability of the internal circuit

ROHM has developed a battery charger IC that supports low-voltage charging of not only lithium-ion but also all-solid and semi-solid state rechargeable batteries that use novel materials for the electrode part and batteries that adopt different terminal compositions. The BD71631QWZ achieves low-voltage charging over a wide range from 2.0 V to 4.7 V by improving the stability of the internal circuit.


  • Compatible with all-solid/semi-solid state rechargeable batteries requiring low-voltage charging
  • Package size optimized for applications equipped with thin rechargeable batteries
  • Achieves optimal CCCV charging according to the characteristics of the rechargeable battery

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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