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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

    LM34925: LM34925 0 Locked

    795 views
    2 replies
    Latest over 8 years ago
    by Aravind .R
  • Suggested Answer

    TLV62084A: TLV62084A listed as experimental or prototype on TIStore.com and not available at other suppliers 0 Locked

    631 views
    2 replies
    Latest over 8 years ago
    by Chris Glaser
  • Answered

    BQ24190: CHRG_FAULT( input fault ) detail? 0 Locked

    628 views
    2 replies
    Latest over 8 years ago
    by KANJI SHIBATANI
  • Suggested Answer

    UCC28630: No voltage appears and the secondary side of the transformer and also all the pins of the UCC28630 just except for the HV pin. 0 Locked

    13156 views
    22 replies
    Latest over 8 years ago
    by Wei-Hao Chen (TW-FAE)
  • Suggested Answer

    CCS / BQ500215: bq500215与bq51025 0 Locked

    3223 views
    7 replies
    Latest over 8 years ago
    by user5076220
  • Suggested Answer

    BQ25703A: how to improve the system efficiency? 0 Locked

    600 views
    2 replies
    Latest over 8 years ago
    by HongRen Chang
  • Not Answered

    BQ25890H: Bug or feature? Dropping Vbatt does not lower charge current 0 Locked

    675 views
    4 replies
    Latest over 8 years ago
    by Eric Steimle
  • Answered

    TPS2373: VCIN circuit configuration and Cbulk related inquiries. 0 Locked

    1215 views
    3 replies
    Latest over 8 years ago
    by Charles Jeon
  • Not Answered

    BQ27510-G3: Can Bq27510 support 2-cell battery packs? 0 Locked

    464 views
    1 reply
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Answered

    TPS7A89: Circuit design review 0 Locked

    896 views
    1 reply
    Latest over 8 years ago
    by Jason Song
  • Suggested Answer

    TPS7A91: Circuit design review 0 Locked

    746 views
    1 reply
    Latest over 8 years ago
    by Jason Song
  • Not Answered

    REF2033: altium footprint 0 Locked

    1661 views
    6 replies
    Latest over 8 years ago
    by Marcoo Z
  • Answered

    TPS3851: TPS3850 / TPS3851 - Confusion about WDO functionality 0 Locked

    1164 views
    1 reply
    Latest over 8 years ago
    by Michael_DeSando
  • Answered

    TPS92692-Q1: spread spectrum frequency 0 Locked

    610 views
    1 reply
    Latest over 8 years ago
    by Clinton Jensen
  • Suggested Answer

    LM25117-Q1: RT pin 0 Locked

    8224 views
    28 replies
    Latest over 8 years ago
    by David Baba
  • Answered

    BQ27426: sense resistor 0 Locked

    634 views
    1 reply
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Not Answered

    TPS51100: Please help check the TPS51100 power down test result 0 Locked

    575 views
    1 reply
    Latest over 8 years ago
    by Qian Chen
  • Suggested Answer

    BQ25120: SYS output gets set to 1.1V and we are not sure how. 0 Locked

    2447 views
    8 replies
    Latest over 8 years ago
    by Kelly Hathaway
  • Answered

    LM3281: Powering directly to the output side 0 Locked

    759 views
    1 reply
    Latest over 8 years ago
    by Frank De Stasi
  • Suggested Answer

    Starterware/TPS23861: Tps23861 is not working properly and the power supply is faulty 0 Locked

    788 views
    2 replies
    Latest over 8 years ago
    by Penny Xu
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