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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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  • Answered

    LP2954: shutdown current 0 Locked

    906 views
    3 replies
    Latest over 8 years ago
    by Jason Song
  • Answered

    TPS3850-Q1: TPS3850-Q1:About WDI input timing when WDT is enabled 0 Locked

    735 views
    1 reply
    Latest over 8 years ago
    by Michael_DeSando
  • Answered

    LP8861-Q1: About R2 resistance value 0 Locked

    1585 views
    7 replies
    Latest over 8 years ago
    by Sung Ho Yoon
  • Answered

    WEBENCH® Tools/LM46002: Webench reporting Error on LM46002 design 0 Locked

    872 views
    4 replies
    Latest over 8 years ago
    by Faizul Bacchus
  • Not Answered

    BQ24133: Recommendation for 12V-12V DC/DC UPS with Li-Ion batteries 0 Locked

    1211 views
    3 replies
    Latest over 8 years ago
    by Steven Bangdiwala
  • Not Answered

    BQ21040: Charging current 0 Locked

    435 views
    1 reply
    Latest over 8 years ago
    by Raheem
  • Answered

    BQ24195: VBUS has a almost 4.5V voltage, after adapter was plugged out 0 Locked

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    8 replies
    Latest over 8 years ago
    by ParkerHolloway
  • Not Answered

    TLC5971: TLC5971 0 Locked

    902 views
    1 reply
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  • Answered

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    2630 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Answered

    BQ76PL455A-Q1: Measure Internal cell resistance 0 Locked

    405 views
    1 reply
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    by David Wiest Jr
  • Suggested Answer

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    793 views
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    by Aleksandras_Kaknevicius
  • Suggested Answer

    TPS22901: Slewrate 0 Locked

    610 views
    1 reply
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    by Aleksandras_Kaknevicius
  • Answered

    BQ25703A: bq25703A / SYSOVP threshold can be adjusted? 0 Locked

    1088 views
    4 replies
    Latest over 8 years ago
    by S.Satoshi
  • Not Answered

    BQ34Z100: Bricked device after "MASS ERASE" in SLUA665 0 Locked

    874 views
    2 replies
    Latest over 8 years ago
    by Sten Iversen
  • Answered

    TPS53647: Tolerance of the setting resistor 0 Locked

    430 views
    1 reply
    Latest over 8 years ago
    by Carmen Parisi
  • Suggested Answer

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    5374 views
    6 replies
    Latest over 8 years ago
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  • Answered

    TPS65132: Low-current Applications (≤ 40 mA) 0 Locked

    1123 views
    4 replies
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    by Ilona
  • Answered

    UCC28070: Pin 11 & 12 0 Locked

    659 views
    2 replies
    Latest over 8 years ago
    by Steven MacDonald
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    LM5161: Topology with 9 isolated outputs 0 Locked

    1144 views
    4 replies
    Latest over 8 years ago
    by Stefano Infante
  • Suggested Answer

    BQ51025: Vrect unstable 0 Locked

    10955 views
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    Latest over 8 years ago
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