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TPS2546: About Current-Limit Settings

cyan zhou
Expert 1500 points
Part Number: TPS2546

Hi TI Expert,

we are now using BC1.2 TPS2546, and have a question here.

About Current-Limit Settings, ILIM_HI setting is easy to understand.

Could you help to give an easy-to-understand explanation, what is meaning of ILIM_LO setting? What does this value do? What are the conditions for setting value.

Thanks and wait for your reply.

Cyan

  • 0
    TI__Mastermind 30000 points

    Hello,

    There is a pin called ILIM_SEL which gives the user the ability to determine which current limit resistor (ILIM_HI or ILIM_LO) is referenced. If you look at Table 3 in the datasheet, it shows that the CTL pins change the charging mode that the TPS2546 is advertising, and the ILIM_SEL pin allows control of what the current limit is set to