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TMS570LC4357: ISO 13849-1 example circuit with TPS65381-Q1 to meet Category 3

Nicholas DiNino
Prodigy 240 points
Part Number: TMS570LC4357

I have the following request from a customer: 

Can TI give an example circuit that meets ISO13849 PLd Category 3 using Hercules and Safety PMIC (TPS65381Q1)?

This customer is planning to use the TMS570LC4357.

Let me know if more information is needed.

  • 0
    TI__Guru**** 186276 points

    Hi Nicholas,

    It is a big topic. We can use the same concept in "TF85875T_release_2014_06_18.pdf". This concept (single lockstep MCU + safety PMIC) was designed for STO (safe torque off) to achiev Pld CAT3. It was assessed with TUV SUD and approved.