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LM57-Q1: LM57-Q1:Change Trip point dynamically

Masaaki Sugiyama
Intellectual 530 points
Part Number: LM57-Q1
Other Parts Discussed in Thread: LM57

Dear support team:

Our customer requests 15 degree in hysteresis.

As one method, they change Trip point dynamically.

Their requirment is 85 degree and 70 degree.(hysteresis is 15 degree)

At first, Trip point sets 85 degree.

So when temperature is 85 degree, Trip point changes 80 degree.

Can they use this case?

Best Regards

 M.Sugiyama

  • 0
    TI__Mastermind 31650 points
    Hi Sugiyama,

    Let me review this, and get back to you soon.

    Aaron
  • 0 in reply to Aaron Heng
    TI__Mastermind 31650 points
    Hi Sugiyama-san,

    As far as I know, LM57 released two type of hysteresis 5°C and 10°C for automotive. Based on your description, it looks like customer had the 5°C hysteresis. Could you please provide me more information on customer's application via email? I can be reached at aaron.heng@ti.com.

    Also, please provide me a full part number so that I can decode the hysteresis trip point. Thank you.

    I am looking forward to working with you.

    Aaron