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About difference between TPS54318 and TPS54418

Tsukui Yusuke
Guru 21930 points
Other Parts Discussed in Thread: TPS54418, TPS54318

Hi,

Could you tell me about difference between TPS54318 and TPS54418.
Customer is wondering whether to use the device.
Customer want to choose whichever efficient.

I confirmed the data sheet.
However, I could not find only a difference of B.
(Customer thinks that difference is not born in efficiency to there if ON resistance is same.)

Could you tell me your advice?

Best Regards,
Yusuke/Japan Disty





  • 0
    TI__Genius 11095 points

    Hello Yusuke-san,

    I would expect the TPS54318 and TPS54418 to have more or less identical efficiency. These two parts are spins of the same IP. The difference between them would be the current limits, and the error amplifier transconductance.