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SN6505A-Q1: Looking for a replacement for the part 750343725

Puneet Jain1
Prodigy 10 points
Part Number: SN6505A-Q1
Other Parts Discussed in Thread: SN6505B, SN6501, SN6505A

We are currently using the following MIDCOM component (750343725) for SN6505A-Q1 (transformer driver) ; is there an alternative to the 750343725? Anything from Texas Instruments itself?

  • 0
    TI__Genius 17100 points

    Hi Puneet,

    Thank you for posting, and welcome to E2E! It is not recommended to use 750343725 with SN6505A or SN6505A-Q1 since the V-t product spec is too low for reliable operation -- this transformer is compatible with SN6501 and SN6505B devices.

    Texas Instruments does not manufacture push-pull isolation transformers, but depending on your required output voltage, either PM2155.027NL or PM2155.015NL from Pulse Electronics may be a compatible replacement for Midcom's 750343725 with SN6505A devices.

    Pulse and other transformer manufacturers are typically willing to design custom devices if needed. It's worth reaching out to your preferred magnetics vendor to check this option, and we (Texas Instruments) can review the component's datasheet to align on spec compatibility with our transformer drivers.


    Respectfully,
    Manuel Chavez