• State TI Thinks Resolved
  • Locked Locked
  • Replies 1 reply
  • Answers 1 answer
  • Subscribers 63 subscribers
  • Views 182 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ25890: How to set 9V2A fast charging

user5329678
Prodigy 30 points
Part Number: BQ25890

Dear TI Experts,

Please help support the question about BQ25890~

Problem: Fast charging is not available now; the display does not recognize the adapter

Here are the register values ​​of bq25890 on my machine:

BQ25890 Chip   OK!

[reg_00]: 0x48

[reg_01]: 0x06

[reg_02]: 0x1D

[reg_03]: 0x1A

[reg_04]: 0x20

[reg_05]: 0x13

[reg_06]: 0x5E

[reg_07]: 0x9D

[reg_08]: 0x03

[reg_09]: 0x44

[reg_0A]: 0x73

[reg_0B]: 0xBE

[reg_0C]: 0x80

[reg_0D]: 0x12

[reg_0E]: 0x00

[reg_0F]: 0x00

[reg_10]: 0x00

[reg_11]: 0x98

[reg_12]: 0x00

[reg_13]: 0x08

[reg_14]: 0x1D

  • 0
    TI__Guru 57721 points

    Hi,

    Referring to Table 3. bq25890 Result on the d/s, for unknown adaptor, the input current limit is set to 500mA.

    REG0B[4:3]=11 shows charge terminated. That's normally for fully charged battery.

    Thanks,

    Ning.