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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

    TPS25751: TPS25751EVM + Bq25756EVM Power Path for PDO 1 PP1 and PP3 Source Issue 0

    120 views
    14 replies
    Latest 1 day ago
    by Ali AGCABAY
  • Not Answered

    TPS2553: Current Limiting Lower than Expected 0

    44 views
    5 replies
    Latest 1 day ago
    by Eric Hartigan
  • Not Answered

    LP2998: LP2998 – Issue with Supercapacitor cell Charging / Balancing , VC Clamped at ~1.25 V 0

    82 views
    6 replies
    Latest 1 day ago
    by James Steenbock
  • Not Answered

    TPS51200-Q1: TPS51200QDRCRQ1 Part Marking 0

    33 views
    1 reply
    Latest 1 day ago
    by James Steenbock
  • Suggested Answer

    REF3330: Vin Rise time 0

    59 views
    4 replies
    Latest 1 day ago
    by Jackson Wightman
  • Suggested Answer

    UCC14341-Q1: RLIM at Single Output Configuration 0

    22 views
    1 reply
    Latest 1 day ago
    by Carter Pollan
  • Suggested Answer

    REF3330: Inquiries regarding the issue that Vout does not come out when starting REF3330 0

    55 views
    5 replies
    Latest 1 day ago
    by Henry Naguski
  • Suggested Answer

    DCP010505B: Layout "keep out area" on data sheet 0

    42 views
    1 reply
    Latest 1 day ago
    by Carter Pollan
  • Suggested Answer

    LM2940-N: Differences between families 0

    30 views
    3 replies
    Latest 1 day ago
    by Ishaan Shetye
  • Not Answered

    TPS23731: Questions/Ideas related to using UCC24612 or similar device instead of full range CCM flyback using extra transformer winding 0

    206 views
    17 replies
    Latest 1 day ago
    by Diang Xing
  • Suggested Answer

    BQ76952: Pin34 of the BQ76952 chip as VDD50.When initializing the BQ76952, VDD50 drop to 0V for about tens of milliseconds 0

    179 views
    10 replies
    Latest 1 day ago
    by Rohin Nair
  • Not Answered

    TPS23881: TPS23881 SRAM writes firmware 0

    21 views
    1 reply
    Latest 1 day ago
    by Anagha Jagannath
  • Suggested Answer

    BQ76922: loading REG18 0

    20 views
    1 reply
    Latest 1 day ago
    by Alexis_H
  • Not Answered

    LMG1020EVM-006: How to maintain the output amplitude of SN74LVC1G08 in the LMG1020EVM-006? 0

    46 views
    3 replies
    Latest 1 day ago
    by Annabelle Alemand
  • Answered

    BQ25798: Difference between PMID and SYS functionality, when to use either or, or both? 0

    49 views
    4 replies
    Latest 1 day ago
    by Nicolas Montoya
  • Not Answered

    LMR60430-Q1: Texas_Instruments_LMR604305SRAKRQ1 0

    38 views
    2 replies
    Latest 1 day ago
    by Vinyas Shetty
  • Suggested Answer

    LM5146-Q1: Ripple voltage issue during MOSFET switching in DC-DC converter design 0

    48 views
    3 replies
    Latest 1 day ago
    by Timothy Hegarty
  • Answered

    BQ25798: Correct implementation for 2S LiFePo4 charging with cell balancing on custom PCB? 0

    141 views
    9 replies
    Latest 1 day ago
    by Nicolas Montoya
  • Suggested Answer

    BQ40Z50: Option to Manage Unintended Wakeup from Shutdown function explian 0

    43 views
    4 replies
    Latest 1 day ago
    by Miguel Castro Gonzalez
  • Suggested Answer

    BQ40Z50EVM-561: Fuel gauge apparently preventing charger from completing full charge 0

    60 views
    4 replies
    Latest 1 day ago
    by Miguel Castro Gonzalez
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