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BQ33100 Charging

Jake Jung
Expert 1915 points
Other Parts Discussed in Thread: BQ33100

Hi.

I want to use BQ33100 for 5 Super Caps management.

I check BQ33100 using EVM board, and 5 Super Cap voltage is 2.8 * 5 = 14V

But charging voltage is about 10V, so Super Cap can not be fully charged.

How can I get charging voltage is upper 14V?

Please let me know.

Thanks

  • 0
    TI__Guru* 76230 points

    Hi Sung,

    The maximum the charging circuit can go up to is 12.4. V. It is not recommended to charge your caps at the max rated voltage for them otherwise they will degrade quickly. if you want to charge up to 14V you will have to modify the charging circuit. Refer to the schmematic diagram of the EVM on the EVM user guide.

    thanks

    Onyx