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LP3985: Can LP3985 replacement for TPS92612

Li Chen92
Expert 3040 points

Part Number: LP3985
Other Parts Discussed in Thread: TPS7A24

Hi TI expert

We are using TPS92612QDBVRQ1, can you help to check if LP3985 can replacement for TPS92612QDBVRQ1

Best regards,

Thomas

  • 0
    TI__Expert 4320 points

    Hi Thomas,

    It depends on what your operating requirements are. TPS92612QDBVRQ1 is a LED driver vs LP3985 is an LDO.

    regards,

    Wilson

  • 0 in reply to Wilson Fwu
    TI__Expert 3040 points

    Hi Wilson

    Yes, i understand that. Again would you please access with the below requirements. 

    I have 2 design which is to find a replacement for a long lead time LED Driver. Currently I’m using TPS92612QDBVRQ1 Texas Instruments LED Lighting Drivers Automotive single-channel LED driver with 150mA output, short protection 5-SOT-23-5.

    1. Input voltage is 6V and output requirement is 5.8V, 20mA à6V supplied from monitor
    1. Input voltage is 12V and output requirement is 5.8V, 20mA à12V supplied from monitor
    As long as i can achieve an output closest to 5.8-6v im fine with that. Please comment. 
    Best regards,
    Thomas
  • 0 in reply to Li Chen92
    TI__Expert 4320 points

    Hi Thomas,

    Sure thing. I would recommend something that has an adjustable-output and in a similar SOT-23 package - TPS7A24 would do fine here for both rails.

    regards,

    Wilson