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TPS61099: Using the TPS610995DRV with a wide ranging load

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Replies: 3

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Part Number: TPS61099

We are considering the TPS610995DRV to provide 3.6V to a cellular cat-m1 module.

The module will ask for 60ma to 250ma during normal operation but may peak to 600mA in small bursts.

Also, when we put the cellular module to sleep, it may consume only 10uA....but we still need voltage to be supplied

We are supplying the Boost converter with 2.5V (can up that if we need to)

We ran some simulations and studied the datasheet but are wondering if this module will be capable of this wide range?

To make it work, is there anything we should consider?

Thanks.

  • Hi Henrique:

    May I check the Vin, Vout, and load condition with you?

    The heaviest situation is Vin=2.5V, Vout=3.6V, Io=0.6A? Could you accept if Vout drops with 600mA load?

    Best Regards

    Minqiu

  • In reply to Minqiu Xie:

    No that’s too much unfortunately. Is there another product that’s more suitable?
  • In reply to Henrique Reis:

    Hi Henrique:

    TPS61099x can supoort your normal load as 3.6V/250mA, but hard to support 600mA with Vin=2.5V.

    I'll suggest TPS61023 to cover the heavry loading. 

    Best Regards

    Minqiu

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