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TPL5111: Schematic checking

Part Number: TPL5111
Other Parts Discussed in Thread: TINA-TI

Hi,

I'm being requested checking schematic used TPL5111 from my customer.

However TINA-TI of TPL5111 model is not provided.

Could you check customer's schematic?

If Okay, please send me message for following address.

kuramochi-t@macnica.co.jp

Best Regards,

Kuramochi

  • Hi Kuramochi,

    We can review the customer schematic. I will send you an email.

    Kind regards,
    Lane

  • Hi Lane,

    unfortunately I'm facing problems with my TPL5111 based circuit: I've followed recommendations from TPL5111 datasheet but I can' bring it  to life and I don't have any more ideas.

    Could you, please, also check my schematics and give me your opinion ?

    Kind regards,

    Peter

    WifiSensor_V2.1_dev.pdf

  • Hi Peter,

    The schematic looks OK, I would expect you to see the output on DRVn with this circuit. Let me recommend some debug steps in case you haven't attempted them already:

    • Verify the supply and ground connections
    • Checked with another TPL5111 part, perhaps it is a defective device
    • Take oscilloscope captures of the DONE, DRVn, and DELAY/M_DRV pins. You could set the potentiometer to 500ohms if you want the shortest time interval for the scope captures

    Kind regards,
    Lane

  • Hi Lane,

    sorry for the late answer. First, I would like to thank you for checking my schematics.

    I found silly reason for my problem: there was bad contact in my battery holder. As it was new I didn't expect such reason.

    But now I've fixed it and the circuit is working like a charm. :)

    Kind regards,

    Peter