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Showing 34 results View by: Thread Post Sort by
    Answered
  • LP8867C-Q1: Selection of 6CH Application similiar LP8867C-Q1

    haitao.zhang
    haitao.zhang
    Resolved
    Part Number: LP8867C-Q1 Other Parts Discussed in Thread: LP8872-Q1 A low-cost 6-channel backlight driver chip for PWM-controlled backlight, similar to LP8867C-Q1
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • LP8867C-Q1: mismatch of information in reference document

    Jitendra Singh
    Jitendra Singh
    Part Number: LP8867C-Q1 Other Parts Discussed in Thread: LP8867Q1EVM i am working a desig based on LP8867C-Q1 i am referring LP8867Q1EVM Schematic. since no reference is available for LP8867CQ1. in EVB caps on pin1 and 2 are connected to GND and in…
    • 4 months ago
    • Power management
    • Power management forum
  • LP8867C-Q1: Replacement of TPS61165DBVR with LP8867CQPWPRQ1

    Keigo Shimada
    Keigo Shimada
    Part Number: LP8867C-Q1 Other Parts Discussed in Thread: TPS61165 Hello Team, Customer is currently considering replacing the LED driver TPS61165DBVR with LP8867CQPWPRQ1. They are using TPS61165DBVR for 5V input, and the voltage between VLED+ and VLED…
    • 4 months ago
    • Power management
    • Power management forum
  • LP8867C-Q1: LED Short -fault detection and definition of VLOW_COMP, VMID_COMP & VHIGH_COMP

    Vishwajit V
    Vishwajit V
    TI Thinks Resolved
    Part Number: LP8867C-Q1 Hi Team, we are trying to perform WCCA for using this LP8867 IC in our program. We are unable to understand the correlation between LED Short fault detection and VLOW_COMP, VMID_COMP & VHIGH_COMP. Can you please provide us…
    • 7 months ago
    • Power management
    • Power management forum
  • LP8867C-Q1: Output Capacitances

    Ethan Snyder
    Ethan Snyder
    Part Number: LP8867C-Q1 Tool/software: In our current design, we are using the recommended output capacitances of 2 × 10 µF, 50-V ceramic + 33 µF, 50-V electrolytic. New design parameters came in and we are forced to use a 39uF cap @ 25V. The LED voltage…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP8867C-Q1: Is there any risk in providing PWM and EN at the same time at start-up timing

    Alan Xia
    Alan Xia
    Part Number: LP8867C-Q1 Tool/software: Hi team, From a timing perspective, PWM is required to be provided after a certain period of time after EN. Is there any risk if the customer's system EN and PWM are provided together?
    • 10 months ago
    • Power management
    • Power management forum
  • RE: LP8867C-Q1: Rush current and related problem confirmation

    Suchen Dong
    Suchen Dong
    Hi Alan, Alan Xia said: Q1: 8867 No comp, customer can't adjust response rate, how is the rush of our EVM? We have a similar inductor waveform during startup. The current reaches the current limit. And it's true that we don't have much flexibility…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP8867C-Q1: If LP8867C-Q1 has the OCP function

    Hale Tan
    Hale Tan
    Part Number: LP8867C-Q1 Hi team, Does we have OCP function in LP8867C-Q1? In the block diagram, we can see this function but in the description we didn't see anything about this function. If have, which register can be used to check whether there occurs…
    • over 2 years ago
    • Power management
    • Power management forum
  • LP8867C-Q1: High frequency buzzing sound coming from the boost section.

    Manu Thomas
    Manu Thomas
    TI Thinks Resolved
    Part Number: LP8867C-Q1 Tool/software: In the our system we are using this IC as a boost converter for the Display section to step up from 12V to 34 V. It was observed that once the display backlight is on there is a very high frequency buzzing sound…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LP8867C-Q1: LP8867C-Q1 calculator excel tool

    Lawrence He
    Lawrence He
    Resolved
    Part Number: LP8867C-Q1 Hi, Support Team Could share LP8867C-Q1 calculator excel tool? if any, Please advise me. Thanks, Best regards, Lawrence
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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