BQ24092: BQ24092 charge query

Star Xu

Part Number: BQ24092

The CHG pin controls the red light and the PG pin controls the green light. When the battery is not full, the green light stays on while charging, and the red light sometimes does not light up.

When the switch is turn on, the system is connected, its charging indicator will work normally, the CHG pin light is turned on. But the system remove the charging indicator is incorrect. The CHG pin light is not turned on.

How to improve this problem？

Thanks

Star

over 3 years ago

0 Anthony P Pham over 3 years ago

TI__Mastermind 22220 points

Hi Star,

Is there a schematic with this issue? I'm unsure what the switch is referring to and I think a schematic would be helpful here.

0 Star Xu over 3 years ago in reply to Anthony P Pham

TI__Genius 9645 points

Hi Anthony Pham

Thanks for your reply.

Attached the schematic for your reference.

The R51, R52 not soldered.

Thanks

Star

0 Anthony P Pham over 3 years ago in reply to Star Xu

TI__Mastermind 22220 points

Hi Star,

When the system is removed, does cycling the input power correct the /CHG pin to be correct? Can you provide a waveform for when the system is removed?

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BQ24092: BQ24092 charge query