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Gas Gauge Selection (4s, Li+)

Benjamin Mak
Intellectual 2190 points
Other Parts Discussed in Thread: BQ20Z45, BQ20Z65

Hi Team!

I am looking for a gas gauge to be used for a Li+ battery pack in a 4s configuration for both the system side and the pack side. Each battery has 4.2V on it. It should have 100kHz SMBus or I2C control on it.

Which ones would you suggest?

I was looking at the BQ20z65, which has LED support, and the BQ20z45, which has no LED support.

Thanks,

Ben