TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Enterprise Automation Integration
    • 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
    • Analog
    • Automotive
    • DLP® technology
    • Embedded processing
    • Industrial
    • Power management
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 91 results View by: Thread Post Sort by
  • TPS40422: CH2 output failure

    JH Shin
    JH Shin
    Part Number: TPS40422 Hello, My customer has a problem that the output of the TPS40422 CH2 below does not operate normally during production. TPS40422.pdf Failure symptom is as follows. 1. A drop in the 5V output voltage of Phase 2 occurred in some parts…
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS40422: CH2 output failure

    JH Shin
    JH Shin
    Resolved
    Part Number: TPS40422 Hello, My customer has a problem that the output of the TPS40422 CH2 below does not operate normally during production. TPS40422_SCH_2022.11.30_2.pdf When they replaced the TPS40422 with another or changed the C22 capacitor value…
    • Resolved
    • 9 months ago
    • Power management
    • Power management forum
  • TPS40422: Disable Temperature Sensing Function

    Allan Fan
    Allan Fan
    TI Thinks Resolved
    Part Number: TPS40422 Hi expert, Customer has a product in production for years used TPS40422 and got some failure returns showing OT fault however it's just room temperature. They found out it was due to the BJT aging cause the Vo become good once a…
    • 10 months ago
    • Power management
    • Power management forum
  • TPS40422: Thermal resistance Rjc & Rjb

    Anand Jitanakatti
    Anand Jitanakatti
    TI Thinks Resolved
    Part Number: TPS40422 Hi All, Can someone help with the details of thermal resistance values (Rjc, Rjb) for TPS40422? I verified the data sheet, this information is missing in it. I would recommend TI to verify and add the thermal info to data sheet. …
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS40422: -

    Pramath HS
    Pramath HS
    Part Number: TPS40422 Hi, I want to understand the current consumption of TPS40422 device. Application details: 1. Driving external MOSFET 2. Vout1 & Vout2, different voltage rails. 3. Output current: ~20A each 5. BP3/BP6 regulators , no external…
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: TPS40422: Design review

    Mahmoud Harmouch
    Mahmoud Harmouch
    Hi JH, Here is my explanation: 1- overshoot/undershoot and ringing caused by parasitic inductances and capacitances from power FETs and PCB layout 2- Overshoot/undershoot and ringing are more severe with fast switching edge 3- Overshoot/Undershoot and…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS40422: TPS40422

    Anurag Jagota
    Anurag Jagota
    TI Thinks Resolved
    Part Number: TPS40422 Hi! I am trying to understand how to drive the Buck Converter using this controller (TPS40422) in Sink mode> Thanks Anurag
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS40422: DCR sense

    user5951090
    user5951090
    TI Thinks Resolved
    Part Number: TPS40422 Other Parts Discussed in Thread: TPS40322 , can you share the TPS40422/TPS40322 DCR sense design workbook with me? I have 12Vin 1.2Vo, 7.5A application, 1uH (4.2mohm DCR), 400khz fsw, want to use 0.1uF and 2.37K for DCR sense, pls…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS40422: Temperature Sense Transistor Selection Guide

    Allan Fan
    Allan Fan
    Resolved
    Part Number: TPS40422 Hi Expert, Customer would like to choose temperature sense transistor 2nd source of MMBT3904 which we used on the EVM. Could you please share what parameters should we consider when select the transistor? Thanks. Allan
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS40422: TPS40422/25/28 SMB_ALERT status

    Neo.Wang
    Neo.Wang
    Resolved
    Part Number: TPS40422 Hi TI Expert, what's the status of SMB_ALERT status on TPS40422/25/28? is it open drain and need external pullp-up? i can't find the description from datasheet. Thanks.
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
>

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

  • Ask a new question
About TI
Company News & events Investor relations Corporate citizenship Careers Contact us
Quick links
TI E2E™ design support forums Customer support center Packaging Quality & reliability TI university program myTI FAQ
Buying
Ordering resources Ordering help & FAQs BOM & cross reference tool Quick add to cart Authorized distributors
Connect with us

Texas Instruments has been making progress possible for decades. We are a global semiconductor company that designs, manufactures, tests and sells analog and embedded processing chips. Our products help our customers efficiently manage power, accurately sense and transmit data and provide the core control or processing in their designs.

Cookie policy Privacy policy Terms of sale Terms of use Trademarks Website feedback

© Copyright 1995-2023 Texas Instruments Incorporated. All rights reserved.