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Power management

Power management

Power management forum

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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TPS6594-Q1: Gui Composer Firmware update fails.

    Chris Sterzik
    Chris Sterzik
    Part Number: TPS6594-Q1 When performing a GUI Composer Firmware update the following message appears: Without disconnecting the EVM from the PC, update the DFU driver with the driver found in this package: http://www.ti.com/lit/zip/sbac253 As…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24105: Why does the battery charger's output voltage and current show several pulses before charge termination?

    Jeff F
    Jeff F
    Part Number: BQ24105 Other Parts Discussed in Thread: BQ24115 , BQ24171 , , BQ24125 , BQ24172 A block diagram of the BQ24171, BQ24172, BQ24105, BQ24115, BQ24125 connection to the battery is shown below: The charge current flowing across the resistances…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LM2105: Half-Bridge Gate Driver Minimum Current Calculator

    Alex Weaver
    Alex Weaver
    Part Number: LM2105 Hello, I wanted to attach a file to help calculate the minimum drive current needed for Half-Bridge gate drivers: Half Bridge Minimum Drive Current Calculator.xlsx This file will allow users to input their circuit parameters…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS546D24S: I have been using the TPS546D24A, now I see the TPS546D24S. What are the differences?

    Peter James Miller
    Peter James Miller
    Part Number: TPS546D24S Other Parts Discussed in Thread: TPS546D24A , , TPS546D24 , TPS546B24A , TPS546B24S , TPS546A24S , TPS546A24A I am have been using the TPS546D24A and now I see the TPS546D24S on-line, this brings up several questions? Is…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LM2105: How do I choose the best half-bridge gate driver for DC motor drive applications?

    Olivia Brandel
    Olivia Brandel
    Part Number: LM2105 Other Parts Discussed in Thread: UCC27710 How do I choose the best half-bridge gate driver for DC motor drive applications? *Update: Read more detail in the application note: How to Choose a Gate Driver for DC Motor Drives * …
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS7H5001-SP: Duty Cycle Limits for a TPS7H500X-SP Controller

    Daniel Hartung
    Daniel Hartung
    Part Number: TPS7H5001-SP The TPS7H500X-SP family of controllers have both minimum and maximum duty cycle limits that have to be taken into account when using the controller Maximum Duty Cycle The maximum duty cycle is easier to take into account…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25620: BQ2562x Calculator Tool

    Michael Emanuel35
    Michael Emanuel35
    Part Number: BQ25620 Hello! Please find the attached calculator for the BQ2562x Family. BQ2562x Calculator.xlsx Regards, Mike Emanuel
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Does TI offer engineering model (/EM) versions of the rad-hard -SP & rad-tolerant -SEP space-grade devices?

    Wade Vonbergen
    Wade Vonbergen
    {ANS} For a number of our most popular QML Class-V radiation-hardened ceramic packaged devices (denoted with the -SP at the end of the part number) TI does offer engineering model ”/EM” versions and if these /EM parts are available you can find these…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ40Z50-R2: BQ40Z50-R5 programming error

    Star Xu
    Star Xu
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 , BQSTUDIO Hi The customer use BQ40Z50, they update the firmware to BQ40Z50-R5, and appear the window as below. Does it normal? Waiting for your reply. Thanks Star
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LP5813: Is there a public LP5813EVM GUI?

    Hardy Wu
    Hardy Wu
    Other Parts Discussed in Thread: LP5813 Dear users, Here is the draft version GUI of 3 x 4 matrix RGB LED driver LP5813 evaluation module, that you can use it to evaluate all features for LP5813 quickly. The install file is in below reply.
    • over 2 years ago
    • Power management
    • Power management forum
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  • Not Answered

    UCC256403: UCC256403 feasibility for 3.3KW power supply 0

    39 views
    1 reply
    Latest 3 days ago
    by SIRIPURAM YAMINI
  • Suggested Answer

    BQ40Z50: Device not getting detected in bqStudio 0

    145 views
    10 replies
    Latest 3 days ago
    by Sumedh Saptarshi
  • Not Answered

    UCC256403: Using constant auxiliary voltage on BW-Pin 0

    93 views
    9 replies
    Latest 3 days ago
    by SIRIPURAM YAMINI
  • Not Answered

    TPSM86637: High current with no load when input voltage is close to output voltage 0

    28 views
    2 replies
    Latest 3 days ago
    by Manish Gautam
  • Suggested Answer

    TPS53353: TPS53353 VBST-LL exceed the standard 0

    63 views
    4 replies
    Latest 3 days ago
    by Hitesh Chandwani
  • Not Answered

    LP2985: LP2985IM5-3.3/NOPB is it new chip or legacy chip 0

    10 views
    0 replies
    Started 3 days ago
    by Michal Lubotzki
  • Not Answered

    BQ79616: STM32 cant wake up BQ79616 and communicate 0

    72 views
    5 replies
    Latest 3 days ago
    by Chai Jeffrey
  • Suggested Answer

    LM51772: How Can I design a power Board with LM51772 multiphase work in parallel 0

    49 views
    3 replies
    Latest 3 days ago
    by Brigitte
  • Not Answered

    TPS55289-Q1: Need isolated DC-DC with digital (I2C) programmability for 10-20V input and 30V output 3A 0

    42 views
    2 replies
    Latest 3 days ago
    by Brigitte
  • Not Answered

    LP8556: i2c timing check 0

    32 views
    3 replies
    Latest 3 days ago
    by Colin Chen
  • Suggested Answer

    TPS552892-Q1: SIMPLIS or SPICE model for TPS552892QWRYQRQ1 0

    18 views
    1 reply
    Latest 3 days ago
    by Shipeng Cheng
  • Not Answered

    TPS562200: Based on previous used part(TPS562200). I need some recommendation for new design 0

    36 views
    3 replies
    Latest 3 days ago
    by Hitesh Chandwani
  • Not Answered

    TPS2490: Reverse current 0

    9 views
    0 replies
    Started 3 days ago
    by John De Clercq
  • Not Answered

    TPS546D24S: Output Voltage Setting error 0

    11 views
    0 replies
    Started 3 days ago
    by Nagendra K
  • Suggested Answer

    BQ79731-Q1: BQ79731-Q1 0

    38 views
    2 replies
    Latest 3 days ago
    by Etienne Vanzieleghem
  • Answered

    LMR38020-Q1: Adding snubber circuit to prevent EMI 0

    23 views
    1 reply
    Latest 3 days ago
    by Niranjan Nair
  • Not Answered

    BQ4050EVM-561: BQ4050EVM-561_EVM board 0

    27 views
    2 replies
    Latest 3 days ago
    by Parul Nawaria
  • Suggested Answer

    TPS2490: Short Circuit Current Limit 0

    118 views
    7 replies
    Latest 3 days ago
    by Stanislav Dittmar
  • Suggested Answer

    TPS65135: VPOS output voltage tolerance 0

    99 views
    8 replies
    Latest 3 days ago
    by Colin Chen
  • Suggested Answer

    BQ28Z610-DEVICE-FW: Re: Learning Cycle Support – .log, Schematic, and Cell Datasheet Attached 0

    41 views
    5 replies
    Latest 3 days ago
    by Tarek Sharbo
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