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TPS61322: Webench not supported with TPS61326A

Joakim
Intellectual 1500 points
Part Number: TPS61322
Other Parts Discussed in Thread: TPS61021A

Webench won't generate a design with TPS613226A - why not ?

Webench recommends TPS61021/22/23 but I would like to use the TPS613226A as it is perfect for my design

My specs are Single AA battery (Vin: 1.2 - 1.5V)

Vout: 3.6V

Iout: 0.5A

Please comment

Thanks

  • 0
    TI__Genius 9046 points

    Hi Kenka,

    Thanks for reaching out. The current limit for TPS613226A is too low to be used in your application. See below spec in EC table. As you could see, the minimum peak current limit is 750mA. Considering 200mA typical inductor current ripple, this means minimum current limit is 750-200/2=650mA. For your 1.2Vin to 3.6Vout, the maximum output current it can output is only about 150mA.

    I would not recommend you use TPS613226A for this application. You can consider TPS61021A in your design.

    -Wenhao