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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

    BQ25606: Termination Current Accuracy at low Ichg 0 Locked

    267 views
    4 replies
    Latest over 4 years ago
    by Sepeedah Zadeh
  • Answered

    TPSM53602: TPSM53602: Voltage drop issue when transition from PWM mode to PFM mode at light load condition 0 Locked

    610 views
    10 replies
    Latest over 4 years ago
    by Harrison Overturf
  • Suggested Answer

    UCD3138: Non-monotonic Notes when running UCD3138 IBIS model 0 Locked

    670 views
    5 replies
    Latest over 4 years ago
    by Ian Bower
  • Suggested Answer

    LM53602-Q1: LM536023QPWPTQ1 Issue 0 Locked

    265 views
    2 replies
    Latest over 4 years ago
    by J Arrigo
  • Suggested Answer

    Compiler/BQ27Z561: why bq27z561 reports wrong charging state when charger is not attached to it ? 0 Locked

    273 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Answered

    TPS731: Alternative Solution to S-1312D33H-M5T1U3 0 Locked

    305 views
    3 replies
    Latest over 4 years ago
    by Wilson Fwu
  • Not Answered

    BQ40Z50-R3-DEVICE-FW: DSG Pin Pull High every 25ms after SCD 0 Locked

    236 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    WEBENCH® Tools/TPS92518EVM-878: TPS92518EVM-878: Access to TPS92518 EVM Demonstration Kit Software 0 Locked

    429 views
    5 replies
    Latest over 4 years ago
    by Irwin Nederbragt
  • Suggested Answer

    BQ34110: How to exit ROM mode 0 Locked

    541 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Answered

    TPS61087-Q1: Boost failing output and controlling feedback voltage 0 Locked

    808 views
    14 replies
    Latest over 4 years ago
    by Duane Smith
  • Suggested Answer

    BQ34Z100-G1: BQ34Z100-G1: Successfully programmed chemistry. The target bqz container is old and needs to be updated. 0 Locked

    645 views
    3 replies
    Latest over 4 years ago
    by Nick Brylski
  • Answered

    BQ24072: charging 3.7V battery 0 Locked

    359 views
    1 reply
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    TPS56121: Startup time is too slow. 0 Locked

    372 views
    2 replies
    Latest over 4 years ago
    by Kevin Bradford
  • Suggested Answer

    TPS53317A: Operating temperature range of TPS53317A 0 Locked

    257 views
    1 reply
    Latest over 4 years ago
    by Ray DiCecco
  • Not Answered

    TPS61322: High-Frequency Switching Noise (Radiated EMI) is degrading receivers sensitivity. 0 Locked

    525 views
    7 replies
    Latest over 4 years ago
    by Mehdi Noroozi
  • Suggested Answer

    BQ24157: Driver code for BQ24157 0 Locked

    386 views
    1 reply
    Latest over 4 years ago
    by Jeff F
  • Answered

    UCC28704: Schematic Review 0 Locked

    166 views
    2 replies
    Latest over 4 years ago
    by Dajon McGill
  • Suggested Answer

    BQ40Z80: programmed wrong firmware 0 Locked

    280 views
    3 replies
    Latest over 4 years ago
    by Nick Brylski
  • Suggested Answer

    TPS40305: Device failed in the 200MHz-1GHz FCC EMI Testing 0 Locked

    1031 views
    3 replies
    Latest over 4 years ago
    by Peter James Miller
  • Not Answered

    BQ500414Q: Looking for a demo board BQ500414QEVM-629 0 Locked

    200 views
    1 reply
    Latest over 4 years ago
    by Bill Johns
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