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TPS3851-Q1: Searching Voltage Detector with Watchdog Timer !

Part Number: TPS3851-Q1
Other Parts Discussed in Thread: TPS3813, TPS3850, TPS3851

Hi Team,

Now customer use BD87A41FVM-TR !

There is a good new that we have a chance to DIN 

Do we have a solution to compete with BD87A41FVM-TR ?  I need a P2P solution ,THX

  • The TPS3851H50SQDRBRQ1 would be the closest but it is not pin to pin and there are several differences in parameters. We can try to see if a different orderable or one of the other TI WDT supervisors like the TPS3850, TSP3852 or TPS3813 or one from the TPS382x family may be a good fit. Can you share the customer needs? If needed you can post on the internal forum or send internal email

  • Hi Padgaonkar Ajay ,

    Could you help share the comparison table? THX

     I want to use this information to discuss with clients!

  • Hi Kygo,

    See below for comparison table. I am not sure if you are aware, but we also happen to have this information publicly available, so you can conveniently gather this information yourself! For future reference, will give you a great offering of our whole portfolio. It also has a very convenient parametric search so you can find the perfect part for your customer!

    Part Number NICHE Function Manufacturer Rating Bucket Temp Min(°C) Temp Max (°C) Iq (Typ) (uA) Iq (Max) (uA) VCC (Min) (V) VCC (Max) (V) # of SuActive-Low Push-Pullies Monitored Reset Threshold Accuracy Typ. (%) Hysterisis Typ (%) VPOR Output Driver Type Reset Output Time Delay Typ (ms) Watchdog Timer WDI (sec) Package Size Min (mm2) Package Size Max (mm2) Package Group Approx. Price for 1KU (US$) Special Features Manual Reset
    TPS3851 PRECISION PRECISION & WD TI Catalog Watchdog -40 125 10 1.6 6.5 1 0.8 0.5 Active-low Active-Low Open-Drain 200 Programmable 9 SON 0.65 Active Low Enable, Manual Reset, Watchdog Disable, Watchdog Timer Yes
    BD87A41FVM #N/A #N/A Rohm Standard Watchdog -40 105 5 14 1 10 1 2.5 3.5 Active-low Active-Low Open-Drain Programmable Programmable 11.6 MSOP8 (8) 1.31 Watchdog Timer No