Search tips
Showing 59 results View by: Thread Post Sort by

  • TPS92518HV: TPS92518: Bypass internal LDO?

    TI Thinks Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 Hello! The TPS92518 has an internal LDO generating Vcc (~7.5V) from Vin. I am able to efficiently generate 7.5V externally, and I would like to use that if possible. Can I power Vcc…
    • Answered

  • TPS92518HV: TPS92518 destroyed during specific 48V power-up sequence - Hot-plug concern?

    Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 Tool/software: Hi everyone, I've run into a critical issue with a new board design that incorporates two TPS92518 LED drivers. The board and the TPS92518 ICs work perfectly fine under…
    • Resolved

  • TPS92518HV: SPI Protocol Not Per Datasheet

    TI Thinks Resolved
    Part Number: TPS92518HV Tool/software: Hello E2E Experts, Good day. We have a PCB similar to the TPS9518HV evaluation board. A PIC16F1827 MCU supervises 2 TPS9518's for a total of 4 LED channels powered from a 48V supply. Although the PIC can successfully…
    • Answered

  • TPS92518HV: TPS92518 How to set switching frequency

    Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 Tool/software: Hello everyone, I am trying to write a setup for my TPS92518. I can calculate all registers except the register LEDx_PK_DAC. According to the illustration (Datasheet…
    • Resolved
    • Answered

  • TPS92518HV: Off time threshold clarification

    Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 Tool/software: Hi, page 15 of datasheet for TPS92518HVPWPR notes that the IC has a tleb (min on time) that must be considered for every application to avoid a inductor saturation condition…
    • Resolved

  • TPS92518EVM-878: Evaluating TPS92518HV for high power, dimming performance

    Part Number: TPS92518EVM-878 Other Parts Discussed in Thread: TPS92518HV , TPS92518 Hello - I'd like to evaluate the TPS92518HV chip to drive a high power LED while still being able to dim to very low outputs. At maximum, our output is about 58V and 5A…

  • TPS92518HV-Q1: TPS92518 HV dynamic response and driver ability

    Part Number: TPS92518HV-Q1 Other Parts Discussed in Thread: TPS92518 Hello TI expert, I met with a technical problem with TPS92518 HV chip. i use this chip to work with TPS92662 , realize matrix function. when i set up the Tpk =40, Toff=40, the coill…
    • Answered

  • TPS92518HV: TPS92518HV dies in Shunt FET operation mode

    Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 Hi, we have done a design with 2 altmost identical TPS92518HV (i.e. 4 channels). The design is closely related to the EVM schematic, see below. When activating the shunt FET, the TPS…
    • Resolved

  • TPS92518HV: TPS92518HV reduce idle power consumption

    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518EVM-878 , LEDSPIMCUEVM-879 , TPS92518 Hi, I am planning to reduce the idle-consumption of a device. Right now, the VIN pin of the TPS92518HV draws 3-4mA when idling, which is to much for…
    • Answered

  • TPS92518HV: Enable controller to drive max DC voltage for loads smaller than programmed output.

    Resolved
    Part Number: TPS92518HV Other Parts Discussed in Thread: TPS92518 I want to change the behavior of the TPS92518HV to constantly drive output, even when there is no load or a smaller load than the current output is set to. To restate this: I want the…
    • Resolved

Didn't find what you are looking for? Post a new question.