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Original question:

LM5050-2: Choosing correct part

TPS2121: Choosing correct part

Carolina Gomez88
Prodigy 40 points
Part Number: TPS2121


Hey,

We were recommended to use TPS2121 in another E2E post. 

We are looking for a transfer switch in an uninterruptible power supply (UPS). We're using a 120VAC corrected to 12VDC as primary, and we're using a 12VDC car battery as the backup. We're ORing 12VDC primary and a 12VDC battery backup. I believe for our application, a power mux configuration would work best.

However TPS2121 has a very small footprint, is there a bigger option available like a DIP-8 footprint. 

Best Regards, 

Carolina Gomez 

  • 0
    TI__Genius 10855 points

    Hi Carolina,

    Thanks for reaching out on E2E!

    I appreciate the detailed system description, for this application I would recommend using the TPS2121.

    Unfortunately, this is a somewhat unusual request, we usually see requests for a smaller package/device. We don't have a larger power mux device in the same family.

    May I ask what necessitates the requirement for a larger footprint / package?

    Thanks,

    Arthur Huang

    To find the latest information on Power Switches, visit www.ti.com/powerswitch