• TPS3820-Q1: More information about TPS3820-Q1

  

  user5008616

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Hello TI engineers: How can I get the information about TPS3820's internal auto-reset oscillator, e.g. duty, cycle time ... BestRegards

  • 2 months ago
  • Interface
  • Interface forum

• TPS3820-Q1: TPS3820-50QPDBVRQ1 Reset Pin Usage and Schematic Review

  

  user

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Hello, I have several questions regarding the TPS3820-50QPDBVRQ1 device. Could you please answer each question separately? The schematic I am using is shown below; you may refer to it while answering the questions. Q1) When…

  • 8 days ago
  • Power management
  • Power management forum

• TPS3820-Q1: How to mask reset signal during test mode

  

  Manu Chang

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Hi team, If the MCU is in debug mode and no IO pin to periodically feed the watchdog as the WDI input. Any methods to mask the RESET signal output of TPS3820-Q1 during test mode to vorbid the trigger of reset? BR, Manu

  • 11 days ago
  • Power management
  • Power management forum

• TPS3820-Q1: TPS3820 Delay after MR output

  

  SAMUEl LACHE

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Tool/software: Hi, Datasheet of TPS3820-33 specifys that /RESET asserts "td" (time delay) after rising of VDD Is "td" also applied between rising of /MR and rising of /RESET? Thank you

  • 8 months ago
  • Power management
  • Power management forum

• TPS3820-Q1: TPS3820-Q1 problem

  

  Luis Carvajal

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Tool/software: Dear experts, I'm trying to work with the watchdog TPS3820-Q1 and a NXP microcontroller. The circuit is shown in the figure below: The signal WDI_UC is a GPIO from the…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• TPS3820-Q1: RESETn transition time

  

  Lenio Cacula

  Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 , SN74AUP2G34 , TPS35 Tool/software: It was not clear to me whether the transition time of the RESETn output is specified in the datasheet. I need to understand the slew rate of the RESETn…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• TPS3820-Q1: TPS3820-33QPDBVRQ1 Output signal

  

  LIN YU MING

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Hi , When the PWM signal input the WDI pin, TPS3820-33QPDBVRQ1's WDO pin keep low. That is correct?

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

• TPS3820-Q1: the watchdog time out spec changed after high temperature test

  

  Aki Li

  Part Number: TPS3820-Q1 Tool/software: My customer reported an urgent issue that they found TPS3820-Q1's t tout (Watchdog time out) changed permanently after they implemented the high temperature test (100 degree). In the below waveform, reset was triggered…

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

• TPS3820-Q1: WDO pin function

  

  Kevin Huang8

  TI Thinks Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Hi Team, The figure below shows the circuit and measurement waveform of TPS3820, and the questions are as follows: 1. When the WDI pin has PWM input, the output voltage of the WDO pin…

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

• TPS3820-Q1: DWI = High when /RESET = Low

  

  Yuta Nishie

  Resolved

  Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Hi, My question is about TPS3820(non-Q1). If DWI is fixed at High when/RESET=Low(Active), is there a problem with the device? I think there is no problem, is this correct? Best Regards…

  • Resolved

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

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