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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

    BQ24075: After supplying input voltage bq24075 is not turning Load on and resuming charging after Li-ion battery is fully discharged (there is no voltage on OUT and BAT pins and CHG and PGOOD LEDs are also off) 0 Locked

    1290 views
    4 replies
    Latest over 8 years ago
    by Deepak Sharma
  • Answered

    TPS51312: A typo in datasheet? 0 Locked

    540 views
    1 reply
    Latest over 8 years ago
    by Yuchang Zhang
  • Not Answered

    TPS562200: high frequency sounds in DC-DC circuit with TPS562200. 0 Locked

    1130 views
    4 replies
    Latest over 8 years ago
    by Kyutae Kim
  • Not Answered

    LM5025A: LM5025A quick questions 0 Locked

    1582 views
    6 replies
    Latest over 8 years ago
    by Wangxin Huang
  • Not Answered

    BQ25703A: bq25703A / Behavior at transition from supplement to battery operation 0 Locked

    947 views
    5 replies
    Latest over 8 years ago
    by S.Satoshi
  • Suggested Answer

    LM4040: lowest FIT 0 Locked

    996 views
    3 replies
    Latest over 8 years ago
    by Marcoo Z
  • Answered

    BQ76PL455A: bq76PL455A / Need keep out area at daisy-chain on same board? 0 Locked

    714 views
    2 replies
    Latest over 8 years ago
    by S.Satoshi
  • Suggested Answer

    TPS61280A: Help need for TPS61280 DSBGA socket purchase 0 Locked

    922 views
    1 reply
    Latest over 8 years ago
    by Jasper Li
  • Answered

    BQ27421-G1: bq27421-G1 / Need to enter ROM mode to program golden image? 0 Locked

    745 views
    1 reply
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Answered

    How to use GPC Packager? 0 Locked

    3616 views
    9 replies
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Answered

    BQ40Z60EVM-578: Setting Full Charge and Full Discharge 0 Locked

    2097 views
    11 replies
    Latest over 8 years ago
    by TEC
  • Suggested Answer

    LM5122-Q1: LM5122 calculations 0 Locked

    614 views
    1 reply
    Latest over 8 years ago
    by Youhao Xi
  • Answered

    BQ40Z50-R1: Recommended Register to Store DF Revision 0 Locked

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

    BQ27426: Failing to set TEMPS 0 Locked

    358 views
    1 reply
    Latest over 8 years ago
    by Dominik Hartl11
  • Answered

    BQ27220: Learning/Accuracy after Dead Battery Scenario 0 Locked

    842 views
    1 reply
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    bq76PL536A: maximum current for cells using this battery monitor 0 Locked

    449 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Suggested Answer

    LM25011: startup problem with (precharged) load capacitor 0 Locked

    2406 views
    10 replies
    Latest over 8 years ago
    by Arief Hernadi
  • Not Answered

    BQ35100: CHEM ID, Timing 0 Locked

    990 views
    1 reply
    Latest over 8 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    TPS650830: Confusion over switching frequency spec for VR3 and VR5. 0 Locked

    1275 views
    5 replies
    Latest over 8 years ago
    by Jayanth Kruttiventi
  • Suggested Answer

    LM2611: The calculation method of component values about LM2611 0 Locked

    654 views
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    Latest over 8 years ago
    by Youhao Xi
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