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PMP21735: Automotive flyback controller for Vin 12VDC system and Vout 650VDC

Marvin Cantos
Expert 5715 points
Part Number: PMP21735
Other Parts Discussed in Thread: LM5022

Hi Experts, 

Good day. Please help with below inquiry. Your help is much appreciated.

"Please could you give suggestions on Automotive flyback controller for Vout about 650DC Volts, Ouput power : 25- 75W; Switching frequency: minimum 200Khz; input voltage: Automotive 12V system."

I checked the reference design and I found this: https://www.ti.com/tool/PMP21735#tech-docs unfortunately it does not satisfy all of the requirements.

Thank you.

Kind regards, 

Marvin

  • 0
    TI__Mastermind 41185 points

    Hi Marvin, PMP21735  would be the best starting point as we don't currently have a solution in our portfolio that meets these specific power requirements. LM5022 controller can still be used for your application. I recommend using power stage designer to help define the new transformer/power stage in addition to designing the loop. This would be the best approach. Please see below link. Thanks!

    https://www.ti.com/tool/POWERSTAGE-DESIGNER