BQ40Z50-R2: About temperature adjustment of fuel gauge

user4963868

Part Number: BQ40Z50-R2
Other Parts Discussed in Thread: GPCRB

BQ40Z50-R2

My issue : The FCC (Full Charge Capacity) drops suddenly when used at low temperatures.

so I adjust and check the parameters of BQ40Z50-R2.

My question : Could you answer the following (1) to (3)?

(1)Please tell me what parameters(register) determine the FCC.

(2)Show me the calculation that determines the FCC.

(3)Tell me the meaning of the parameters.

best regards

0 Nick Brylski over 4 years ago

Hi,

FCC dropping at low temperature is expected as impedance of battery increases. You can read more about FCC calculation here:

BR,

0 user4963868 over 4 years ago in reply to Nick Brylski

I saw the attached file.

Where can I find the answer to my question?

please tell me.

0 Nick Brylski over 4 years ago in reply to user4963868

Hi,

We don't share this information.

Best regards,

0 user4963868 over 4 years ago in reply to Nick Brylski

How can I get an answer?

0 Kang Kang over 4 years ago in reply to user4963868

I would look at GPCRB.

Power management forum