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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

    TPS65219: Start Up Time of VSYS(5V) 0 Locked

    241 views
    11 replies
    Latest 6 months ago
    by Sathish Vallamkonda
  • Suggested Answer

    TPS650864: PMIC 1.8V is not coming up 0 Locked

    79 views
    1 reply
    Latest 6 months ago
    by Sathish Vallamkonda
  • Suggested Answer

    BQ40Z50-R2: RSOC Always 100%, RC and FCC Always 0mAh on EVM Board (2S2P) 0 Locked

    594 views
    2 replies
    Latest 6 months ago
    by Jonny
  • Suggested Answer

    BQ28Z610-R1: SoC gradually drops while battery is at full charge 0 Locked

    1380 views
    51 replies
    Latest 6 months ago
    by Anthony
  • Suggested Answer

    TPSM831D31: precise current measurement 0 Locked

    66 views
    1 reply
    Latest 6 months ago
    by Troy Johnson
  • Suggested Answer

    TPSM831D31: 8Ch READ_IOUT 0 Locked

    96 views
    1 reply
    Latest 6 months ago
    by Troy Johnson
  • Answered

    BQ76907: Questions about measurement timing and data readiness 0 Locked

    120 views
    1 reply
    Latest 6 months ago
    by Max Verboncoeur
  • Suggested Answer

    LV2862: Stable output at low current 0 Locked

    93 views
    1 reply
    Latest 6 months ago
    by David Baba
  • Not Answered

    BQ40Z50-R2: State Of Health 0 Locked

    100 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Not Answered

    BQ34Z100-R2: Battery chemistry OCV table 0 Locked

    158 views
    4 replies
    Latest 6 months ago
    by Jonny
  • Not Answered

    BQ34Z100-R2: When is the CHG bit set to 1? 0 Locked

    125 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Answered

    BQ27Z561-R2:帮忙评估原理图 0 Locked

    347 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Not Answered

    BQ34Z100-R2: Load Mode "1" and Load Select "6". 0 Locked

    118 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Not Answered

    BQ34Z100-R2: Inaccurate SoC value after power on reset 0 Locked

    181 views
    4 replies
    Latest 6 months ago
    by Alan Frias
  • Answered

    UCC29002: Reference Ground Location +1 Locked

    122 views
    3 replies
    Latest 6 months ago
    by Ulrich Goerke
  • Suggested Answer

    BQ76952: BQ Configuration and Reset Issue 0 Locked

    91 views
    1 reply
    Latest 6 months ago
    by Alexis_H
  • Suggested Answer

    BQ76952: Power supply filter diode causing charge pump voltage drop 0 Locked

    430 views
    7 replies
    Latest 6 months ago
    by Alexis_H
  • Answered

    LMR51420: Maximum Current Rating of Inductor for 5V output application 0 Locked

    213 views
    5 replies
    Latest 6 months ago
    by Frank De Stasi
  • Suggested Answer

    LMR60440-Q1: Can TI provide the simulation model of the LMR60440? 0 Locked

    189 views
    3 replies
    Latest 6 months ago
    by Frank De Stasi
  • Answered

    BQ76952: Hot plug connection 0 Locked

    179 views
    5 replies
    Latest 6 months ago
    by Alexis_H
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