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Showing 10 results View by: Thread Post Sort by
  • TPS25990EVM: Why use diode between Vout and GND?

    David Kim2
    David Kim2
    TI Thinks Resolved
    Part Number: TPS25990EVM Other Parts Discussed in Thread: TPS25990 Hi In the TPS25990 EVm, the SBR10U45SP5 (SUPER BARRIER RESTIMP) is connected between the VOUT and the gnd. What is the purpose of your use? Thanks
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS25990EVM: UV_FLT after the switch turns off, the output voltage does not immediately return when the input voltage recovers to undervoltage threshold + 0.25V

    Ann Chen
    Ann Chen
    Part Number: TPS25990EVM Other Parts Discussed in Thread: TPS25990 Tool/software: When using the TPS25990 to set UV_FLT , after the switch turns off because the input voltage falls below the undervoltage threshold (UV_FLT), the output voltage…
    • 8 months ago
    • Power management
    • Power management forum
  • TPS25990EVM: Cannot connect to EVM through USB2GPIO

    Connor Denney
    Connor Denney
    Part Number: TPS25990EVM Hello, I am trying to setup this EVM for a customer, but I am unable to connect. I open the GUI, follow the hardware setup instructions but when the GUI starts scanning for devices no addresses are found. I am unsure of the…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS25985: Efuse shut off tSU_TMR after enable efuse using PMBus command

    Joyce Lee
    Joyce Lee
    TI Thinks Resolved
    Part Number: TPS25985 Other Parts Discussed in Thread: TPS25990 , TPS25990EVM We are using TI's TPS25990+TPS25985 and encounter problems during validation. After initial power on, we issued PMBus command to disable, then enable the efuse ( TPS25990…
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: TPS25990: Can't connect to the device through cloud agent. Fusion Designer now stops working after Cloud agent installed

    Avishek Pal
    Avishek Pal
    Hi Jun, We tested TPS40400EVM-351 with TPS25990EVM by connecting the SCL and SDA lines of the respective EVM's together. Using a single USB-TO-GPIO2 USB interface adapter evaluation module, my PC can interact with both GUIs, Fusion GUI and TPS25990…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: TPS25990: Inquiries regarding TPS25990 operation

    Avishek Pal
    Avishek Pal
    Are you using TPS25990EVM? If yes, this EVM consists of TPS25900 and TPS25985 in parallel. GPIO3 must be set to SWEN. GPIO2 or GPIO4 should be used as a comparator output. GPIO_CONFIG_12 (E1h, Read/Write Byte) and GPIO_CONFIG_34 (E2h, Read/Write Byte…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: TPS25990: Hot short circuit problem

    Avishek Pal
    Avishek Pal
    Please see the below waveforms. The UVLO protection was completely disabled in the TPS25990 by two ways: EN/UVLO pin is connected to VIN through a 1 MΩ resistance. A 1 μF ceramic capacitor is connected across the EN/UVLO pin and GND. This helps in…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • [FAQ] TPS25990: How to program the non-volatile memory (NVM) in TPS25990 with a revised configuration file?

    Avishek Pal
    Avishek Pal
    Resolved
    Part Number: TPS25990 How to program the non-volatile memory (NVM) in TPS25990 with a revised configuration file?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: TPS25985: Parallel efuse configuration

    Shubham Pawaskar
    Shubham Pawaskar
    Resolved
    TPS25990+TPS25985 Design Calculation Tool.xlsx 1856.efuse (1) (1).pdf Here is the schematic and TI calculation sheet of design.
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS25990: Startup issue on the TPS25990 design.

    Ariharan S
    Ariharan S
    TI Thinks Resolved
    Part Number: TPS25990 Hi Team, We are facing a startup issue in our TPS25990-based design. Instead of 12V in the E-Fuse output, we are getting only 2V. We have probed the waveforms. Attached are the waveforms, schematics, and TI E-Fuse calculation…
    • over 2 years ago
    • Power management
    • Power management forum

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