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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

    WEBENCH® Tools/LP38798: Webench still connects VIN to the EN pin directly, even if VIN is above 5.5V 0 Locked

    542 views
    1 reply
    Latest over 8 years ago
    by Srikanth Pam
  • Not Answered

    TPS22902: ON/OFF Transient Waveform 0 Locked

    1877 views
    7 replies
    Latest over 8 years ago
    by Shinichi Inoue
  • Not Answered

    UCC29002: CS- pin connection if power supply doesn't have sense pins 0 Locked

    1845 views
    4 replies
    Latest over 8 years ago
    by Brian Zhao
  • Not Answered

    BQ25700A: Part selection and recommendation 0 Locked

    664 views
    1 reply
    Latest over 8 years ago
    by Wang5577
  • Answered

    TPS51285B: Inductor high frequency noise issue 0 Locked

    1667 views
    2 replies
    Latest over 8 years ago
    by Edwin Zang
  • Answered

    LM3549: How to get the LM3549 LED current less than 20mA ? 0 Locked

    1083 views
    2 replies
    Latest over 8 years ago
    by Terry Tseng
  • Suggested Answer

    LP8863EVM: What is the EVM D3 connected for? 0 Locked

    669 views
    1 reply
    Latest over 8 years ago
    by Sung Ho Yoon
  • Not Answered

    UCC28950: Can UCC28950 be used for 3kW DC/DC? 0 Locked

    896 views
    1 reply
    Latest over 8 years ago
    by Peter Meaney
  • Answered

    TPS55332-Q1: convert 1.6V to 5V with using external bias 0 Locked

    817 views
    1 reply
    Latest over 8 years ago
    by Youhao Xi
  • Suggested Answer

    LMR14030-Q1: LMR14030-Q1 Min on time 0 Locked

    571 views
    2 replies
    Latest over 8 years ago
    by Tomohiro Nagasawa58
  • Not Answered

    TPS74201: Requirement of input supply current details of TPS74201RGWR and LP3878MR-ADJ/NOPB 0 Locked

    546 views
    1 reply
    Latest over 8 years ago
    by Mark Sellers
  • Suggested Answer

    TPS659037: How can I active TPS659037 when I plug in? 0 Locked

    1269 views
    4 replies
    Latest over 8 years ago
    by Walter Lee(Kor)
  • Not Answered

    TPS43061: Output voltage decreases with load: TPS43061 0 Locked

    5613 views
    13 replies
    Latest over 8 years ago
    by Emmanuel Santiago Iglesias
  • Suggested Answer

    BQ40Z50-R1: PRES pin cannot pull high 0 Locked

    1155 views
    2 replies
    Latest over 8 years ago
    by Swaminathan Ramanathan75031
  • Not Answered

    BQ27530EVM: bqEVSW startup issues 0 Locked

    1471 views
    3 replies
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Answered

    BQ28Z610: Issue: while flashing connections goes disturbed and after we are unable to connect with this gauge. 0 Locked

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

    BQ28Z610: Gauge cannot able to execute /recover after programming gets failed 0 Locked

    3719 views
    11 replies
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    BQ25606: BQ25606 re-charge demand when VBAT is above recharge threshold 0 Locked

    1841 views
    7 replies
    Latest over 8 years ago
    by Joel Hernandez II
  • Suggested Answer

    BQ24070EVM: Charging deeply discharged battery 0 Locked

    1096 views
    2 replies
    Latest over 8 years ago
    by Yusi Ou42
  • Not Answered

    UCC28881: Question on DCM or CCM operation 0 Locked

    2955 views
    9 replies
    Latest over 8 years ago
    by Ulrich Goerke
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