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TPS25740B: What's the different between TPS25740A &TPS25740B

Chen Alex1
Expert 2855 points
Part Number: TPS25740B
Other Parts Discussed in Thread: TPS25740A, , TPS25750

HI Sir

Due to TPS25740A out of stock, I need to choose another solution

Could  you share the different table between A & B?

Thanks

  • 0
    TI__Mastermind 26586 points

    Hi Alex,

    The main difference between these two PD controllers is the B variant is USB PD 2.0 certified (TID# 1030004) and USB PD 3.0 Compliant Power while the A variant is only USB PD 2.0 Certified Provider and USB Type-C Rev. 1.2 Compliant Source. 

    The TPS25740B can advertise 5V/9/V/12V/15V/20V with 8 options for pin-selectable peak power settings ranging from 18W to 100W while the TPS25740A can advertise 5V/9V/15V with 11 options for pin-selectable peak power settings ranging from 15W-81W.  Both have very similar high voltage and safety integration, the B variant has 3-pin external power supply control while the A variant only has 2-pin. 

    Please do note for both variants, it is listed as a NRND (not recommended for new designs) device. If you're looking for more up-to-date PD controllers similar to this model, I would recommend looking at the TPS25750 as we can provide more support for it.

    Regards,

    Raymond Lin