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  • TPS92641EVM: The response is slow in SDIM drive when a resistor for offset cancellation is installed.

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 Thank you for your time. Please let me ask you another question. I'm currently using TPS92416EVM, but with the offset canceling resistor installed, the blinking speed becomes slower…
    • Resolved

  • TPS92641EVM: PCB - layoutfile

    TI Thinks Resolved
    Part Number: TPS92641EVM I want to add a owmbuld circut, like a shield, to the tps92641evm. Is it possible to get some dimension information of the board, like a ECAD/PCB-Layoutfile? kind regards christoph
    • Answered

  • TPS92641EVM: Shunt FET recommended from data sheet for SDIM is to hot at PWM of about 50kHz~100kHz

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 , TPS922052 , TPS922054 , TPS922055 , TPS922053 The TPS92641EVM(32V,1A) is inputted by PWM about 50kHz~100kHz and blinks the LED. However, after several minutes of operation, the shunt…
    • Resolved

  • TPS92641EVM: Input voltage range

    TI Thinks Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 Dear teams, Could I ask why the input voltage range is limited to 43 to 53V for TPS92641EVM, while TPS92641 can support 7 to 85V? Thanks! Dylan
    • Answered

  • TPS92641EVM: Modifying EVM for 24V input

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: CSD18504Q5A , TPS92641 Hi team, Could you please let know how to modify the EVM to operate it with 24V input? What component should be modified to extend VIN range lower? Regards, Itoh
    • Resolved

  • TPS92641EVM: Questions for the OVP and UVP setting in EVM

    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 hi, from TPS92641 EVM below, https://www.ti.com/lit/pdf/slvu823 we get the setting below. Vin= 43 - 53V Vturn_on=40.5V Vhys = 15.5V Vovp=48.9V VLED=40V Question 1:…
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  • TPS92641EVM: IADJ to IOUT ratio not constant

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92640 Dear TI-support, I'm in the process of evaluating the TPS92640 for an application. In the EVM I've changed Rsense to 333 mOhm and R6 to 47 K to make V_IADJ 2.5 V for an nominal output…
    • Resolved

  • TPS92641EVM: TPS92641

    TI Thinks Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 What is the function of this DNP resistance and how to calculate the parameters? Thanks very much
    • Answered

  • TPS92641EVM: Voltage at LEDs higher than 30 V

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 Hello, We have the development board with added Q3 for external Shunt FET PWM Dimming. R1 is decreased to 15 kOhm to get a switching frequency of about 1 MHz. Vin = 48 V With an LED…
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    • Answered

  • TPS92641EVM: Current waveform confirmation

    Resolved
    Part Number: TPS92641EVM Other Parts Discussed in Thread: TPS92641 , LM3409 Hi Team My Customer is facing the issue so please advise below inquiry. When an electronic load was connected to the output of the evaluation board of the TPS92641 and the…
    • Resolved

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