BQ24401: Recommended charging IC for NiMH (4-Cell)

Yoshinobu Kagawa

Expert 2030 points

Part Number: BQ24401
Other Parts Discussed in Thread: BQ2000

The customer is looking for a charging IC for NiMH.

Battery specifications are

- Voltage: 4.8V (NiMH 4-Cell)
- Capacity: 1450mAh

Interface: Standalone

What is the recommended charging IC?
If it is bq24401 is there a recommended schematic? (EVM is not found)

Best regards,

Kagawa

0 ezhao over 5 years ago

Hi Kagawa-san,

You can use the BQ2000. The EVM is available https://www.ti.com/tool/BQ2000EVM.

0 Yoshinobu Kagawa over 5 years ago in reply to ezhao

Expert 2030 points

Hi Eric-san,

Is there a standalone switching charger for the NiMH 6-cell ?

Best regards,
Kagawa

0 Kedar Manishankar over 5 years ago in reply to Yoshinobu Kagawa

Hi Kagawa-san,

BQ2000 is a standalone switching charger and can charge NiMH 6-cell. You can refer to the user guide of the EVM here, as it supports 6-cell NiMH: http://www.ti.com/lit/ug/sluu270/sluu270.pdf?ts=1588085384015

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