BQ24070: Can TS-pin go down to the GND level?

Kurumi Hasegawa

Part Number: BQ24070

Hello team,

I have a quick question related to TS-pin of BQ24070.

Would it be a problem if the voltage of TS-pin goes down to the GND level?

Would it affect the performance?

Regards,

Kurumi Hasegawa

0 Raheem over 4 years ago

Hello,

If TS pin is grounded, the device will not charge the battery. The TS voltage has to be between 0.5V and 2.5V

0 Kurumi Hasegawa over 4 years ago in reply to Raheem

Hi,

Sorry for the lack of background.

Once a temperature outside the thresholds is detected, the device will suspend the charge.

And charge will be resumed when the temp returns to the normal range.

But we’d like to keep the charging suspended after the temp returns to the normal range.

Therefore, we’re considering to place N-FET between TS and GND pin,

and turn ON the N-FET (TS pin would be GND level) once temp outside the threshold is detected.

Would it be trouble?

Regards,

Kurumi Hasegawa

0 Raheem over 4 years ago in reply to Kurumi Hasegawa

This wont be an issue. You can pull TS to GND if you want to stop charge.

Another option is the CE pin to disable charge.

0 Kurumi Hasegawa over 4 years ago in reply to Raheem

I understand,

thank you very much.

Regards,

Kurumi Hasegawa

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