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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] TPS65320-Q1: What's the difference between different version: TPS65320-Q1 and TPS65320A/B/C/D-Q1?

    Phil Yi
    Phil Yi
    Part Number: TPS65320-Q1 This thread applies to TPS65320-Q1. TPS65320x-Q1 Revision History.pdf
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65910: TPS65910A3A1RSLR Replacement

    Phil Yi
    Phil Yi
    Part Number: TPS65910 This thread applies to TPS65910x. All variants based on the device are OTP programmed for specified processor; there is no any drop-in replacement for any specified variant; including the TPS65910A3A1RSLR.
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65320-Q1: The debounce time of the UVLO protection.

    Phil Yi
    Phil Yi
    Part Number: TPS65320-Q1 This thread applies to TPS65320-Q1. There is no debounce time on the UV/OV for this device; it's just a Schmitt trigger after a UV/OV comparator.
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What is the difference between filtered and unfiltered gauging parameters?

    Wyatt Keller
    Wyatt Keller
    For most Impedance Track TI battery gauges, a smoothing engine is used to help minimize jumps in the State of Charge (SoC) reported by the gauge. During normal operation of the gauge Full Charge Capacity (FCC) and Remining Capacity (RC) are calculated…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What information does TI need to help with learning/accuracy/operation related questions?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: GPCCHEM , BQSTUDIO To most efficiently help debug State of Charge accuracy issues, problems encountered during the learning cycle process, or any other function related to the gauge like protection, there is some information…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What considerations are needed to de-rate the battery charge voltage?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: GPCCHEM Some applications require a reduction in the charging voltage, one reason can be to increase the cycle life of the battery. Reducing the charging voltage will often cause some discrepancies with the State of…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] How do I Find a Chemistry ID for my Battery?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: EV2400 When looking for the correct chemistry ID for Impedance Track gauges, the GPCCHEM tool should be used. This tool helps find the best matching chemistry ID for the battery. The chemistry ID contains the baseline…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] How to Calculate State of Charge (SoC) Accuracy

    Wyatt Keller
    Wyatt Keller
    It is common to verify the accuracy of the gauge SoC after learning cycles or battery characterization by doing some math on the discharge logs for capacity and comparing it with the gauge’s predictions. The voltage range used to define 100% and 0%…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Impedance Track FAQs

    Wyatt Keller
    Wyatt Keller
    Impedance Track FAQ Home Page This is the home page for common Impedance Track (IT) questions. Please note that not all FAQs will be applicable for the specific gauge being used, as functions have been added over time. FAQs What information does…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS546D24A: What are the differences between the TPS546D24A and the TPS546B24A? Can I swap my design for less than 20A between the two?

    Peter James Miller
    Peter James Miller
    Part Number: TPS546D24A Other Parts Discussed in Thread: TPS546B24A What are the differences between the TPS546D24A and TPS546B24A? Can I use one in place of the other for applications with less than 20A of load current? If I completed my design…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
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View FAQ threads
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  • Answered

    TPS62740: Using with CC430 and magnetometer 0 Locked

    672 views
    3 replies
    Latest over 8 years ago
    by Chris Glaser
  • Suggested Answer

    LM5140-Q1: Switch node jitter 0 Locked

    692 views
    1 reply
    Latest over 8 years ago
    by Terry Allinder
  • Answered

    bq24616/about relation of charge status outputs to Adapter disconnect 0 Locked

    752 views
    4 replies
    Latest over 8 years ago
    by Ann_Lien
  • Not Answered

    TPS65217CEVM: sys_voltage not coming 0 Locked

    605 views
    3 replies
    Latest over 8 years ago
    by Brian Berner
  • Suggested Answer

    BQ25895: Can BQ25895 support Qualcomm Quick Charge 0 Locked

    2099 views
    3 replies
    Latest over 8 years ago
    by Jeff F
  • Answered

    BQ24040: Battery Detect & NTC check 0 Locked

    769 views
    4 replies
    Latest over 8 years ago
    by Diana Bodenmiller
  • Not Answered

    MC33063A: About Ct threshold on Boost. 0 Locked

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

    PMP9208: Remaking the design for 12V at the output 0 Locked

    840 views
    2 replies
    Latest over 8 years ago
    by Antonio Filho
  • Suggested Answer

    BQ40Z50-R1: What's the battery voltage accuracy of BQ40Z50-R1? 0 Locked

    689 views
    2 replies
    Latest over 8 years ago
    by joy zhou
  • Answered

    WEBENCH® Tools/TPS40210: Workbench simulation startup does not reach the requested output value 0 Locked

    427 views
    2 replies
    Latest over 8 years ago
    by Youhao Xi
  • Answered

    LM5170-Q1: Circuit breaker 0 Locked

    579 views
    1 reply
    Latest over 8 years ago
    by Youhao Xi
  • Not Answered

    BQ40Z50-R1: A Question Regarding UL-2054 Testing for a bq40z50-r1 Circuit Board 0 Locked

    491 views
    3 replies
    Latest over 8 years ago
    by joy zhou
  • Suggested Answer

    Hello, does anyone know whether BqStudio support Bq20Z45 or Bq20Z45R1? I couldn't find them from the target device list. 0 Locked

    1481 views
    9 replies
    Latest over 8 years ago
    by Michael Ebels
  • Answered

    LMZ12002: Can't get 6-7.5V if Vin = 11V 0 Locked

    981 views
    2 replies
    Latest over 8 years ago
    by Aleksei Varkentin
  • Answered

    TPS54526: Inductor value selection for TPS54526 0 Locked

    471 views
    3 replies
    Latest over 8 years ago
    by Nanjunda M
  • Not Answered

    TPS28225: TPS28225 output noise when increasing VDD above 4.5V 0 Locked

    2489 views
    7 replies
    Latest over 8 years ago
    by Timon Fabriek
  • Suggested Answer

    BQ40Z60: Data Flash without interface board and BQSTUDIO 0 Locked

    1780 views
    6 replies
    Latest over 8 years ago
    by user4781405
  • Suggested Answer

    TLV1117: Could you tell me about TLV1117's peripheral parts ? 0 Locked

    695 views
    1 reply
    Latest over 8 years ago
    by JCHK
  • Answered

    TLV431: PWM "constant current" sink application 0 Locked

    3741 views
    2 replies
    Latest over 8 years ago
    by andrea chierici
  • Not Answered

    WEBENCH® Tools/LMR14050: Webench SimExport to Tina-TI -- design fails to perform 0 Locked

    2033 views
    6 replies
    Latest over 8 years ago
    by Andy Chen
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