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Original question:

TPL5110: Does mosfet and working voltage matter that much?

TPL5110: Need a similar part with UB2305

Aosker Liu
Prodigy 520 points
Part Number: TPL5110

Hi Team

Good day

My customer want some help:

I'm looking for a timer product with a function to turn off automatically after 90 minutes.
i want to know if TI has any part with function like IC BU2305 (RoHM).

Can IC xxx be functioned like IC BU2305?
Or is there a reference to another TI part?

I check on TI sites, I find Timer IC TPL5110.
Is it possible to make this IC as 90minutes Timer ?
Can we get Part sample or evaluation board for our study ?

Best regards

Aosker

  • 0
    TI__Mastermind 28960 points

    Hello Aosker,

    Yes, TPL5110 can be used as a 90 minute (4800 second) timer - TPL5110 can delay up to 7200 seconds, or two hours, and offers a one-shot mode. The penultimate entry in datasheet table 3 shows the resistance values that can be used to program the device as a 90 minute timer: 165kΩ || 1.58MΩ. This resistance should be connected between the DELAY/M_DRV pin and GND at POR.

    The TPL5110EVM is available from TI.com for purchase. 

    Regards,