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TPS61098: TPS610985 design issue

Hoi Wa Ip
Intellectual 720 points
Part Number: TPS61098

Dear TI experts,

We are designing  a voltage booster using TPS610985 for smart lock application. The system needs to boost input voltage from 2V to 3V output and deliver 100mA current. We put together the design based on the reference circuit outlined in the data sheet. However, we tested the prototype and noticed the the implementation is not able to deliver 100mA while outputting 3V. The maximum load current the design is able to deliver is 3.1v@1mA. Would you please help to revise our circuit and advise if there is any issue with the design? Thank very much.

Best regards,

Peter