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Showing 32 results View by: Thread Post Sort by
  • RE: TPS274C65: CRC calculation in SPI interface

    Arnold Bischof
    Arnold Bischof
    I have implemented a CRC-4 and verified within www.zorc.breitbandkatze.de/crc.html (CRC-4, start value 0xF, generator polynomial X4 + X + 1) I cannot communicate with the TPS274C65 with CRC because the chip calculates the CRC differently. I therefore still…
    • 9 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS274C65: The reason why VDD shall come from the same supply as VS

    Ulf Nilsson
    Ulf Nilsson
    Resolved
    Part Number: TPS274C65 Tool/software: We didn't see the following in the datasheet until after we did our board. When the device is configured to support an external regulator connected to VDD, it is required that the supply input for the external…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS274C65: Ready Output: Push-Pull or why is resistor needed?

    Urs Probst
    Urs Probst
    Resolved
    Part Number: TPS274C65 Hi TI Team The #Ready pin can source current from Vdd it seams. The datasheet states in the pin description: "connect to GND pin of the IC with resistor". This could mean that the pin is _not_ push-pull but rather an open…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • TPS274C65: TPS274C65: Functional Safety Information available?

    Urs Probst
    Urs Probst
    Part Number: TPS274C65 Other Parts Discussed in Thread: TPS272C45 Hi TI Team Are there plans to provide "Functional Safety Information" similar to those available for the TPS272C45 ? This would be very helpful in our decision to deploy this chip…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS274C65: Maximal Pulse Energy

    Jerome Kaufmann
    Jerome Kaufmann
    Resolved
    Part Number: TPS274C65 Hello TI team, I am interested in the maximum pulsed energy the (clamped) high side switch can handle when demagnetizing a inductive load. Chapter 9.3.5.3 of the TPS274C65 datasheet references the electrical charracteristics ("The…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS274C65: Reverse current blocking condition

    David Huang
    David Huang
    TI Thinks Resolved
    Part Number: TPS274C65 Hi Team, Could someone let me know what's the FET on/off condition in the reverse current blocking function? My customer wants to know what will the FET response if they cut off both Vdd and Vs. If possible, could anyone share…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS274C65: On chip regulator for isolator?

    Urs Probst
    Urs Probst
    Resolved
    Part Number: TPS274C65 Other Parts Discussed in Thread: ISO7741 , Hi TI-Team The datasheet does not mention the power consumption of the VDD section of the chip when in operational mode. Is it possible to power an ISO7741 (approx 5mA) using the TPS274C65…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS274C65: SPI baudrate for 12ch control

    David Huang
    David Huang
    TI Thinks Resolved
    Part Number: TPS274C65 Hi Team, What would be the approximate SPI baudrate requirement for controlling/short detection/current measurement 12ch with 0.5ms per cycle? My customer is evaluating with EVM and trying to match the SPI baudrate requirement with…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS274C65: looking for a very fast high side switch

    Stefan Lintner
    Stefan Lintner
    Resolved
    Part Number: TPS274C65 Hi team, my customer is looking for a very fast high side switch. less than 5us - at least 200V - at least 200mA their pulse is 50-300us Ti.com does not allow to filter for switching characteristics so i am reaching out to you. …
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: LP-AM243: Develop driver for TPS274 on AM243xEVM module

    Jamil Shaikh
    Jamil Shaikh
    Hi Mr. Kumar, I have reviewed your guide and example. Just want to clarify, we have been using MCSPI to drive a number of devices successfully on AM243x. But have an issue with TPS274C65 only. As I explained in the TPS274C65 post https://e2e.ti.com/support…
    • 3 months ago
    • Arm-based microcontrollers
    • Arm-based microcontrollers forum
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