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Showing 24 results View by: Thread Post Sort by
  • TPS3820-Q1: TPS3820 Delay after MR output

    SAMUEl LACHE
    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
    • 1 month ago
    • Power management
    • Power management forum
  • TPS3820-Q1: TPS3820-Q1 problem

    Luis Carvajal
    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…
    • 4 months ago
    • Power management
    • Power management forum
  • TPS3820-Q1: the watchdog time out spec changed after high temperature test

    Aki Li
    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…
    • 10 months ago
    • Power management
    • Power management forum
  • TPS3820-Q1: TPS3820-33QPDBVRQ1 Output signal

    LIN YU MING
    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 1 year ago
    • Power management
    • Power management forum
  • TPS3820-Q1: WDO pin function

    Kevin Huang8
    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 is LO…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS3820-Q1: DWI = High when /RESET = Low

    Yuta Nishie
    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 1 year ago
    • Power management
    • Power management forum
  • TPS3820-Q1: /RESET series resistor setting

    Kevin Huang8
    Kevin Huang8
    TI Thinks Resolved
    Part Number: TPS3820-Q1 Hi Team, Need suggested /RESET series resistor circuit/resistance value for reference. In addition to the MCU, /RESET also control the Q8 transistor, is the I/O current sufficient for resistor matching? resistor how to adjust ohm…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS3820-Q1: difference between the -50QDBVRQ1 and the -50DBVRQ1G4

    Andreas Brugger
    Andreas Brugger
    Resolved
    Part Number: TPS3820-Q1 Dear TI team, can you please tell me the difference between the TPS3820-50 Q DBVRQ1 and the TPS3820-50DBVRQ1 G4 Thanks in advance, Andreas
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS3820-Q1: Reset pin malfunctions

    Sam Sun
    Sam Sun
    TI Thinks Resolved
    Part Number: TPS3820-Q1 Other Parts Discussed in Thread: TPS3820 Hi, This was used for a mass production design. When applied to new solutions, the feed dog Pulse width change From 10ms to 7ms,But the tw Pulse width at WDI is 100ns in datasheet,7ms>>100ns…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS3820-Q1: TPS382033-Q1: questions about the reset pin

    Iris Shen
    Iris Shen
    Resolved
    Part Number: TPS3820-Q1 Hi team, Since 3820 reset pin is push-pull output, and the MCU my customer use will force the pin into low during debug mode, here are some questions(customer want to know if there is risk): When GPIO forces the reset pin into…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
>

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