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  • TPS92641: Questions about TPS92641 error amp behavior.

    Resolved
    Part Number: TPS92641 Tool/software: Hello guys, One of my customers is evaluating TPS92641 for their next products. At this moment, they have the following questions. Could you give me your reply for them? Q1. Is TPS92641 error amp (EA) output…
    • Resolved

  • TPS92641: TPS92641: How to set the feedback resistor?

    TI Thinks Resolved
    Part Number: TPS92641 Tool/software: Dear Sir, which is lower then 3.05V,(an internal reference), it can't work! So can you give me some suggestion or other choice?

  • TPS92641: Constant current control issue

    TI Thinks Resolved
    Part Number: TPS92641 Dear Team, My customer is evaluating the TPS92641 application by modifying the TPS92641EVM. They increase V_IADJ from 0V to 2V (for V_CS=0.2V, ILED=5A). When ILED exceeds around 1A, on time becomes random or oscillalting. After…
    • Answered

  • TPS92641: Question about SW pin negative voltage.

    Resolved
    Part Number: TPS92641 Hello guys, One of my customers is evaluating TPS92641 using their own designed PCB for their new products. At this moment, they have the following question. Could you please give me your reply? Q. SW pin negative side absolute…
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    • Answered

  • TPS92641: TPS92641 : Cause of Overshoot at the rising edge of the current waveform

    Resolved
    Part Number: TPS92641 Tool/software: Hi, I am using your TPS92641 to drive a laser. When I use the SDIM pin to dimming the light with PWM, there is an overshoot at the rise of the current waveform as shown in the figure below. I think this is caused by…
    • Resolved
    • Answered

  • TPS92641：TPS92641:模拟调光驱动波形异常。

    Resolved
    Part Number: TPS92641 Other Parts Discussed in Thread: CSD18563Q5A Tool/software: 原理图： 参数设置开关频率300K VOUT 3.3V 模拟调光25A 异常波形电流10A以上 MOS驱动波形变化了。 通道2为电流。 正常时测的波形。 调试过程中 ： CS串接电阻 0R-1K MOS串接电阻0R-10R 电感：1uH 2.2 uH 3.3 uH 4.7 10uh 都有调整…
    • Resolved

  • TPS92641: How much current can TPS92641 drive as the maximum?

    TI Thinks Resolved
    Part Number: TPS92641 Other Parts Discussed in Thread: TPS92640 Tool/software: Hello guys, One of my customers is considering using TPS92641 for their next products. At this moment, they have the following questions. Could you please give me your…

  • TPS92641: How to use TPS92641 to drive a high power LED ,which VF is about 2V?

    Part Number: TPS92641 Tool/software: Dear Sir, Because I want to use SDIM to turn on/off LED immediately, so TPS92641 is good fo this purpose, but LED VF is about 2.0V （current about 5A）， which is lower then 3.05V,(an internal reference), it can't work…

  • TPS92641: about the frequency

    Part Number: TPS92641 Tool/software: Hi teams, TPS92641 wants to achieve strobe function with a frequency of 10K, but using UDIM pin PWM control can only achieve 3K. How to achieve higher frequencies? Is it through SDIM pins?

  • TPS92641 SDIM pull up resistor bias

    Part Number: TPS92641 Tool/software: Hi, the SDIM pin on the TPS92641 is pulled up on the block diagram internally at the SDIM pin but the voltage is not spcified. According to https://e2e.ti.com/support/power-management-group/power-management…

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