TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 146 results View by: Thread Post Sort by
  • LM74900-Q1: LM74900-Q1: Requesting clarification on Enable Pin Current Limiting

    Hunter Dinan
    Hunter Dinan
    TI Thinks Resolved
    Part Number: LM74900-Q1 Hello, I am using the LM74900-Q1 in one of my designs and would like clarfication on the datasheet. If driving the EN pin low while V(A) is ON (>0V), the datasheet states that the EN pin can only source 1mA maximum. Are…
    • 2 days ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: LM74900 ILIM config

    Bobby Baldwin
    Bobby Baldwin
    Resolved
    Part Number: LM74900-Q1 Other Parts Discussed in Thread: LM74900 Hello. I am using the LM74900 in a product that runs on both 12V and 24V battery systems. You can see from the attached picture that I am using Q4 to change the current limit setting…
    • Resolved
    • 3 days ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: Differences between LM74900-Q1 and LM7480-Q1

    R.Fukunaga
    R.Fukunaga
    Resolved
    Part Number: LM74900-Q1 Other Parts Discussed in Thread: LM7480-Q1 , LM74900 , LM7480 , LM74930 Hi all, 1) Is my understanding below correct? I understand that LM74900-Q1 is newer than LM7480-Q1, and the following functions were added from LM7480-Q1…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • LM74900-Q1: Why is the LM74900-Q1 RTN heat dissipation pad not grounded?

    Vayne Li
    Vayne Li
    TI Thinks Resolved
    Part Number: LM74900-Q1 Hi Teams, Why is the RTN heat dissipation pad not grounded?
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: TPS552872 failure due to LM74900

    Mahmoud Awad
    Mahmoud Awad
    Resolved
    Part Number: LM74900-Q1 Other Parts Discussed in Thread: TPS552872 , LM74900 Hello, I'm using LM74900Q1 followed by TPS552872 Buck Boost DC-DC Converter. If my main input is below 12V the circuit starts just fine, but if the input voltage is Higher…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • LM74900-Q1: LM74900-Q1 overcurrent protection failure and MOSFET damage during short-circuit test

    Marcin R
    Marcin R
    TI Thinks Resolved
    Part Number: LM74900-Q1 Other Parts Discussed in Thread: LM74900 Hi TI team, I recently built a prototype using the LM74900-Q1 based on the reference schematic shown on page 26 of the datasheet. Instead of the recommended 0.001 Ohm sense resistor, I…
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: LM74900-Q1 over current setting

    Florens Liang
    Florens Liang
    Resolved
    Part Number: LM74900-Q1 Hi team, Could you pls help to solve the questions below? thanks. (1) Could you please explain the working principle of the overcurrent protection circuit of device? (2) Could you pls provide the derivation of the following…
    • Resolved
    • 9 months ago
    • Power management
    • Power management forum
  • LM74900-Q1: LM74900-Q1 OC Trip point 1/10 of set point.

    Jake Muggleton
    Jake Muggleton
    Part Number: LM74900-Q1 Hi, I am designing a set of power switches for 12V and 5V1 rails with overcurrent points at 3.4A and short circuit points at 5.6A. Both use the same components across the designs except for the resistor ladder across SW/UV/OV.…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: Questions about LM74900/LM7480: Startup DGATE waveform and VA-VC behavior

    R.Fukunaga
    R.Fukunaga
    Resolved
    Part Number: LM74900-Q1 Other Parts Discussed in Thread: LM74900 , LM7480 , LM74930 Hi all, We are currently conducting a preliminary evaluation using our own evaluation boards for the LM74900/LM7480. We have two questions and would appreciate your…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74900-Q1: schematic review

    Wang Han
    Wang Han
    Resolved
    Part Number: LM74900-Q1 Hi Expert, Could you help us review this part? Thank you very much! LM74900 TI reivew.pdf Thanks, Han
    • Resolved
    • 12 days ago
    • Power management
    • Power management forum
>

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

  • Ask a new question