Part Number: TPS3436-Q1 Other Parts Discussed in Thread: TPS3436 , TPS35-Q1 , TPS36-Q1 , TPS35 , TPS36 , TPS3435 We have to add a second watchdog to our safety related µC-system (TUEV-requirement)
It should hold outputs off, from power up (or reset via…
Hi Jayden,
Thank you for your question, I will have to consult our design team about your question. I will update you as soon as I hear from them.
Since your customer is only on the evaluation phase, I would like to recommend our new watchdog device the…
Hello Ella,
The TPS3435 offers pin based timing change for both fixed and capacitor based options. The base timer is fixed based on OPN and capacitor value (for Pinout A & B).
We do plan to release the capacitor based options around April 2023.
…
Hello Renan,
The adjustable delay time is for the voltage supervisor functionality and not for the watchdog. There is no way to change the 610ms watchdog timeout interval. could you use a FET to disconnect WDO from the processor on startup? If RESET1…
Trailokya-san
Thank you for your support. But, TPS3435 released TPS3435CAKAGDDFR only, this looks like not to support customer's requirement. Could you support TPS3431 inquiry?
Thanks,
Koji Ikeda
Hello Steve,
No. 1.8V is the minimum.
However, we have released the next generation device and we can cover 1.8V rails with that:
https://www.ti.com/lit/ds/symlink/tps3435.pdf
Hope that helps.
Masoud
Hi Brian
I'd suggest to go with TPS3813 / TPS3435 (New watch dog in the family with 250nA IQ and wide range of WD time out option).
Let me know if you have further question regarding these parts.
Regards
Trailokya
Hi Patrick,
We analysed TPS3435-Q1 and found that its not suitable for our requirement.We checked all variants.
Kindly let us know what would be the failure rate or guarantee that there wont be any logic incompatibility with TPS3431SDRBR,when interfaced…