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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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  • Answered

    UCC21550: UCC21550 - to Drive High side FET -ON Continuously 0 Locked

    363 views
    3 replies
    Latest over 1 year ago
    by Hiroki Honda
  • Not Answered

    LM74930-Q1: Input peaks up to 100V 0 Locked

    161 views
    1 reply
    Latest over 1 year ago
    by Shiven Dhir
  • Suggested Answer

    TPS51200: Compatible with 3200 MT/s DDR4? 0 Locked

    185 views
    1 reply
    Latest over 1 year ago
    by James Steenbock
  • Suggested Answer

    UCC28950: UCC28950 secondary full bridge gate driver? 0 Locked

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    2 replies
    Latest over 1 year ago
    by Jeremiah Vo
  • Suggested Answer

    BQ2972: BQ29728DSER 0 Locked

    224 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Answered

    TPS650332-Q1: TPS650332-Q1 SM09 explanation 0 Locked

    183 views
    1 reply
    Latest over 1 year ago
    by Gerard Copeland
  • Answered

    BQ25672: Temperature reading 0 Locked

    196 views
    5 replies
    Latest over 1 year ago
    by Jeff F
  • Not Answered

    BQ25120A: Unexpected switching pattern and noise one some units 0 Locked

    478 views
    13 replies
    Latest over 1 year ago
    by Juan Ospina
  • Suggested Answer

    BQ25798EVM: BQ25798 0 Locked

    163 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Answered

    BQ25792: fast charge at 2.5A holds for seconds and reverts to 1A default 0 Locked

    181 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Answered

    TPS62913: component placement on top and bottom layers ? 0 Locked

    373 views
    4 replies
    Latest over 1 year ago
    by Peter Maes
  • Not Answered

    LM3488: Getting Power-Good from a LM3488 0 Locked

    211 views
    3 replies
    Latest over 1 year ago
    by Niklas Schwarz
  • Answered

    TPS65987DDK: TPS65987DDK configuration 0 Locked

    482 views
    13 replies
    Latest over 1 year ago
    by Christopher Lim1
  • Suggested Answer

    TPS650350-Q1: If we don't use Buck3, can we not populate the inductor and cap? 0 Locked

    169 views
    1 reply
    Latest over 1 year ago
    by Gerard Copeland
  • Suggested Answer

    TPS4H160-Q1: Induction spikes causes MCU to reset when unplugging a hot inductive load 0 Locked

    162 views
    1 reply
    Latest over 1 year ago
    by Elizabeth Higgins
  • Suggested Answer

    TPS1HB35-Q1: Calcultion excel sheet 0 Locked

    207 views
    1 reply
    Latest over 1 year ago
    by Elizabeth Higgins
  • Answered

    BQ25172: Failure Mode 0 Locked

    250 views
    1 reply
    Latest over 1 year ago
    by Bill Johns
  • Answered

    TPS54821EVM-049: Modifying EVM for 7.5V Output Voltage 0 Locked

    176 views
    3 replies
    Latest over 1 year ago
    by Nancy Zhang
  • Suggested Answer

    UCC28019A: The IGBT of the switch tube is damaged 0 Locked

    301 views
    5 replies
    Latest over 1 year ago
    by Ulrich Goerke
  • Not Answered

    LP8863-Q1: The central control screen is black, and the LP8863-Q1 BLMODE reads 01 0 Locked

    276 views
    4 replies
    Latest over 1 year ago
    by Zhiqian Wu
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