BQ25883: Application question of BQ25883

Nanxiao Zhong

Part Number: BQ25883

Hi Expert

Would like to check below 2 questions:

As datasheet shows we could achieve 5% in fast charge, what is the test condition?
If Q4 could closed by MCU in register setting?

Nanxiao Zhong

0 Wyatt Keller 4 months ago

Hello Nanxiao,

Can you specify which part of the datasheet you are referencing for question 1?

Q4 (BATFET) cannot be directly controlled via I2C.

Sincerely,

Wyatt Keller

0 Nanxiao Zhong 4 months ago in reply to Wyatt Keller

Hi Wyatt

Pls check in this part.

Nanxiao Zhong

+1 Bill Johns 4 months ago in reply to Nanxiao Zhong

Hello Nanxiao

The +/- 5% charge current regulation test condition would be at 25C, charge current 1000mA and VBAT = 6.2V or 7.6V. Also see figure 4 page 13.

Over a temperature range of 0C to 85C it would be +/- 7.5%, same test conditions.

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