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  Charles Jeon

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

  TPS3820-Q1: If the MCU keeps the WDI pin high..

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Hi team If the MCU keeps the WDI pin high, is it happen reset? I checked reset status when the WDI pin keeps low. But I didn't see status of reset pin when the WDI pin keeps high. Thank you
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  Qianqian

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

  TPS3820-Q1: TPS3820-50QDBVRQ1 NRND

  • Resolved

  Part Number: TPS3820 - Q1 Hello TI experts, As is described in TI's website， TPS3820 -50QDBVRQ1
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  Abhinav.Sharma

  • 10 months ago
  • Power management
  • Power management forum

  RE: TPS3851: Watchdog recommendation

  Hi Aivaras, Have you taken a look at one our watchdog supervisors such as the TPS3820-Q1 which has one output for both /RESET and WDO? This may be the solution you are looking for. Thanks, Abhinav.
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  Qianqian

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

  RE: TPS3820-Q1: WDI problem

  Hello Marcoo, Thanks for your suggestion~ The problem has been solved~ It is VDD noise that cause it~
• 

  Michael_DeSando

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

  RE: TPS3850-Q1: Vsense : 3.7 - 4.1V, standard watchdog timer

  Shinji, Does Vsense monitor only undervoltage? If so, I think TPS3851-Q1 is the correct device as this is undervoltage monitor with standard watchdog.. This will require external resistor divider on VDD because there is no fixed threshold for TPS3851...
• 

  Derek Xie

  • over 4 years ago
  • Automotive (Read-Only)
  • Automotive Forum (Read-Only)

  TPS3820-50-Q1 Question

  Hi Team: Just double confirm with you, if this part always no WDI signal. And the voltage is right. What the reset pin will be? My understand is that, the reset will be like this. On time is Ttout and off is Td. Right?
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  Johnny Guo

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

  TPS3820-50-Q1: WDI pulled down with a resistor instead of floating

  Part Number: TPS3820-50-Q1 Hi, team, My customer met one question about TPS3820-50-Q1. They use a switch to control the WDI and MCU connection, when in programming the switch is OFF, when in normal work the switch is ON. Thus when in programming...
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  Jurry Zhu

  • over 6 years ago
  • Power management
  • Power management forum

  TPS3820-50-Q1 WDI pin Questions

  • Resolved

  Deal all, My customer has below questions about TPS3820 -50- Q1 . Could you help answer it? Thank you
• 

  Michael_DeSando

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

  RE: TPS3813-Q1: TPS3813 floating WDI pin / / disable watchdog during programming phase

  Nicola, There is no way to disable TPS3813-Q1 unfortunately. TPS3850, TPS3851 or TPS382x family (TPS3820, TPS3823, TPS3828, TPS3824) will work or the devices you mentioned in the app note will work. -Michael
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  Jurry Zhu

  • over 6 years ago
  • Automotive (Read-Only)
  • Automotive Forum (Read-Only)

  TPS3820-33-Q1 Watchdog time out for various operating temperature range

  • Resolved

  Anyone has the data of TPS3820 -33- Q1 Watchdog time out for various operating temperature range

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