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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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    TPS7H4001-SP: SYNC1 VIH Threshold, Recommended Pull-Down Resistor? 0 Locked

    249 views
    4 replies
    Latest over 4 years ago
    by Joshua Escobar
  • Suggested Answer

    BQ40Z50-R2: The SOC deviation is too large to calculate LFP 0 Locked

    387 views
    1 reply
    Latest over 4 years ago
    by Albert Anwar
  • Answered

    TPS3840: Response to Manual Reset 0 Locked

    645 views
    3 replies
    Latest over 4 years ago
    by Ben C
  • Suggested Answer

    BQ24703: Oscillation of PWM signal. 0 Locked

    863 views
    1 reply
    Latest over 4 years ago
    by Kedar Manishankar
  • Suggested Answer

    LM25088: Optimize light load behavior 0 Locked

    178 views
    1 reply
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    TPS2085: do I need to mount these capacitor near the USB connector or very close to the out pin of TPS8085? 0 Locked

    204 views
    1 reply
    Latest over 4 years ago
    by Elizabeth Higgins
  • Not Answered

    TPS79333-EP: Need the Functional Safety FIT Rate, FMD and Pin FMEA 0 Locked

    305 views
    6 replies
    Latest over 4 years ago
    by Juliette
  • Answered

    LM5117: Voltage Undershoot for Load Step Response based on Compensation Network 0 Locked

    484 views
    7 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    BQ2970: BQ2970 battery reverse connection protection 0 Locked

    453 views
    3 replies
    Latest over 4 years ago
    by WM5295
  • Answered

    BQ24610: Cannot charge when the solar panel is used as input 0 Locked

    271 views
    1 reply
    Latest over 4 years ago
    by Michael Emanuel35
  • Suggested Answer

    BQ25883: About charging limit current 0 Locked

    205 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Not Answered

    BQ40Z80: can not communicate 0 Locked

    456 views
    7 replies
    Latest over 4 years ago
    by Albert Anwar
  • Suggested Answer

    BQ25792: Trickle charge won't go above ~2V 0 Locked

    715 views
    14 replies
    Latest over 4 years ago
    by Jim McGarvey
  • Suggested Answer

    BQ24640: Pspice model 0 Locked

    199 views
    1 reply
    Latest over 4 years ago
    by Michael Emanuel35
  • Suggested Answer

    BQ27Z561: monitor the coulomb counter 0 Locked

    194 views
    1 reply
    Latest over 4 years ago
    by Albert Anwar
  • Answered

    TPS2051B: Position of current detection in internal circuit 0 Locked

    144 views
    1 reply
    Latest over 4 years ago
    by Bob Ma
  • Suggested Answer

    LM5036: why was the OCP point affected by the oscilloscope probes? 0 Locked

    190 views
    1 reply
    Latest over 4 years ago
    by Steven Mappus1
  • Answered

    LM25149-Q1EVM-2100: Output voltage ripple in PFM mode 0 Locked

    438 views
    4 replies
    Latest over 4 years ago
    by Orlando Murray
  • Answered

    TPS274160: Conformity to IEC 61131-2 0 Locked

    218 views
    4 replies
    Latest over 4 years ago
    by Asaf Abraham
  • Answered

    TPS54360B: Chattering occurs in the input voltage at startup 0 Locked

    206 views
    3 replies
    Latest over 4 years ago
    by Daniel Li14
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