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  • TPS3431: function chck

    TI Thinks Resolved
    Part Number: TPS3431 Hi, I have some questions would like to confirm with you. 1. Does the deice issue WD signal out (WDO_N) to MCU through GPIO pin? 2. Additionally, could you help explain ENOUT function ? The spec shows that ENOUT could connect with…

  • TPS3431-Q1: TPS3431-Q1 vs TPS3431 vs TPS3430-Q1

    TI Thinks Resolved
    Part Number: TPS3431-Q1 Other Parts Discussed in Thread: TPS3431 , TPS3430-Q1 , Hi Team, There is a good new that we could DIN TI product! The customer wants to find the watchdog with the same specifications as TPS3431 but conforms to the Automotive! Should…

  • TPS3431-Q1: TPS3431SQDRBRQ1 VS. TPS3431SDRBR QUALIFICATION

    TI Thinks Resolved
    Part Number: TPS3431-Q1 Hello team, Per FAQ on Qualification available on TI e2e, The Q100 product is qualified based on the temperature grade. The stressing for Q100 product is pre and post tested at room and hot temperature per the grade pre and post…

  • TPS3431-Q1: watchdog with I2C interface

    TI Thinks Resolved
    Part Number: TPS3431-Q1 Hi Expert, I just want to know, do we have watchdog timer with I2C interface? BR, Elec Cheng
    • Answered

  • TPS3431: State after timeout

    Resolved
    Part Number: TPS3431 Hi. I think WDO will be asserted for Trst after the timeout. Does entering WDI during Trst return to normal operation? Does entering WDI after Trst return to normal operation? Regards.
    • Resolved

  • TPS3431-Q1: TPS3431-Q1 EN and SET1 pin questions

    TI Thinks Resolved
    Part Number: TPS3431-Q1 Hi team, i would like to know, when EN is pulled low, the watchdog timer is stopped or reset to 0? when SET1 is pulled low, the watchdog timer is stopped or reset to 0? when SET1 is pulled low, WDO will change to high impedance or…

  • TPS3431: WDO asserted even after giving WDI before timeout and also while SET1=0

    TI Thinks Resolved
    Part Number: TPS3431 WDO is asserted (logic low) even after giving WDI pulses within timeout (1.6 sec) using GPIO pins of STM32. It is also asserted while SET1 pin is forced low. Please find attached schematic for my custom board and oscilloscope screenshot…
    • Answered

  • TPS3431-Q1: Did ti have more simple watchdog part than TPS3431-Q1?

    Resolved
    Part Number: TPS3431-Q1 Hi Sir, I just need the tune CWD cap to achieve the tWD 30s. I need the watchdog timer always on. I don't need the ON/OFF function. I don't need the ENOUT too. Can you suggest more suitable part or TPS3431-Q1 is good enough…
    • Resolved
    • Answered

  • TPS3431: P2P device for TPS3431SDRBR

    Resolved
    Part Number: TPS3431 Hi team, My customer is using TPS3431SDRBR, and they are finding the second source. Do we have the P2P device for TPS3431SDRBR? Many thanks! Jayden Li
    • Resolved
    • Answered

  • TPS3431-Q1: Can we keep EN pin floating to get logic low?

    Resolved
    Part Number: TPS3431-Q1 Hi, There are some cases in my application that the driving circuit for EN pin will become floating when I expect the EN should be logic low. From the datasheet, EN pin is internally pulled up to VDD. Besides, I have to minimum the…
    • Resolved

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