• TPS3851-Q1: Chip schematic test

  

  Tonyx.wu

  TI Thinks Resolved

  Part Number: TPS3851-Q1 Tool/software: Please help check the schematic diagram to see if there are any problems and give suggestions for modification. Thank you!

  • 1 month ago
  • Power management
  • Power management forum

• TPS3851-Q1: Watchdog WDO pin times out faster than it should

  

  Bokar Khalid

  TI Thinks Resolved

  Part Number: TPS3851-Q1 Tool/software: Hello, We are having an issue with the watchdog TPS3851-Q1. We have 1uF cap connected to the CWD pin. However, the WDO pin(timeout) triggers within ~2s Vs 77s as stated in the datasheet. I have attached a wave capture…

  • 7 months ago
  • Power management
  • Power management forum

• TPS3851-Q1: TPS3851-Q1

  

  Sanjay Gadkari

  TI Thinks Resolved

  Part Number: TPS3851-Q1 Hi, can I use this single device for voltage monitoring and watchdog time reset at a same time. Regards Sanjay

  • 12 months ago
  • Power management
  • Power management forum
Answered

• TPS3851-Q1: confirmation about the reset timeout period (tRST) in WDO pin

  

  johnny fu

  Resolved

  Part Number: TPS3851-Q1 Other Parts Discussed in Thread: TPS3851 Tool/software: Hi TI experts I have a question shown as below. The WDO tRST is only about 100us used in our product as shown in the figure ( blue curve), and the WDO pin is connected to our…

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• TPS3851-Q1: how long the RESET signal will keep when timer is up? whether tRST is configurable?

  

  Daoyan Zhao

  Resolved

  Part Number: TPS3851-Q1 Hi Expert, There is a description in TPS3851-Q1 datasheet: when timer overflow, WDO will pull down and generate a reset signal. May I ask how long the RESET signal will keep? and whether the time tRST is configurable? Thanks a…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• TPS3851-Q1: WDI leakage current

  

  Shinji Tsuji

  TI Thinks Resolved

  Part Number: TPS3851-Q1 Hi team, Could you please advise the input leakage current of WDI pin? regards,

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• TPS3851-Q1: Manual reset input isn't pulled up to VDD

  

  Levente Buzas

  Resolved

  Part Number: TPS3851-Q1 I am creating this post as we have been having issues with the MR manual reset pin on the TPS3851-Q1 (TPS3851G30SQDRBRQ1) in our product. According to the datasheet Table 5-1 this pin is pulled up to VDD internally. However, when…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• TPS3851-Q1: WDO Wave for TPS3851-Q1

  

  Li Chen92

  TI Thinks Resolved

  Part Number: TPS3851-Q1 Hi TI expert If WDI remains high or low after power on (no dog feeding signal input), what is the waveform of WDO signal? Output high level or Output low level? Best regards, Thomas

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• TPS3851-Q1: Searching TI solution

  

  Kygo Cheng

  Resolved

  Part Number: TPS3851-Q1 Other Parts Discussed in Thread: TPS3851 Hi Team, There is a good new that Customer is searching TI solution Do we have a product that can compete with " bd99a41f-e2 " ?

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• TPS3851-Q1: Searching Voltage Detector with Watchdog Timer !

  

  Kygo Cheng

  TI Thinks Resolved

  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

  • over 3 years ago
  • Power management
  • Power management forum

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