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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

    BQ25756E: Sometimes fails to output a voltage even though it says its in trickle charge mode +1 Locked

    630 views
    17 replies
    Latest 6 months ago
    by Ethan Galloway
  • Suggested Answer

    TPS2661: Alternative for GFCI prevention 0 Locked

    142 views
    1 reply
    Latest 6 months ago
    by Amrit Jit
  • Suggested Answer

    LM5069: 48V 45A spec check 0 Locked

    104 views
    1 reply
    Latest 6 months ago
    by Avishek Pal
  • Answered

    TPS25981: Need Ta 0 Locked

    92 views
    1 reply
    Latest 6 months ago
    by Arush Gupta
  • Suggested Answer

    TPS3808: what the reset pin behavior during VDD<1.7V 0 Locked

    93 views
    1 reply
    Latest 6 months ago
    by Sila Atalar
  • Answered

    BQ27520-G4: Relationship between learning cycle and CE terminal 0 Locked

    116 views
    2 replies
    Latest 6 months ago
    by Masashi Mineda
  • Suggested Answer

    TPS2662: +24 and -24 V sensor supply protection (TPS2662) 0 Locked

    392 views
    11 replies
    Latest 6 months ago
    by Amrit Jit
  • Answered

    BQ24600: Charge current(Icharge) and UCP 0 Locked

    142 views
    4 replies
    Latest 6 months ago
    by Masashi Mineda
  • Answered

    TPS25730: Schematic Review 0 Locked

    129 views
    2 replies
    Latest 6 months ago
    by Phil Shen
  • Not Answered

    BQ79731-Q1: Insulation Resistance Test 0 Locked

    237 views
    3 replies
    Latest 6 months ago
    by Harrison Yang
  • Not Answered

    TPS63020-Q1: Low efficiencies as buck-boost converter for IoT sensor +1 Locked

    153 views
    1 reply
    Latest 6 months ago
    by Tao Zhang
  • Not Answered

    TPS65400: TPS65400 recommended power up sequence 0 Locked

    111 views
    1 reply
    Latest 6 months ago
    by Lucia Gao
  • Not Answered

    TPS65253: Ringing at switching node during light load & PWM duty cycle approaching 100% 0 Locked

    192 views
    1 reply
    Latest 6 months ago
    by Lucia Gao
  • Suggested Answer

    LM5143-Q1: Output Rising Waveform 0 Locked

    210 views
    6 replies
    Latest 6 months ago
    by Timothy Hegarty
  • Answered

    BQ25751: Reverse mode only (no BATFET) 0 Locked

    127 views
    2 replies
    Latest 6 months ago
    by Thomas Aldrian
  • Answered

    LM5149-Q1:LM5149-Q1のPspice 0 Locked

    634 views
    10 replies
    Latest 6 months ago
    by David Baba
  • Suggested Answer

    LP2951-Q1: Need a Undecrypted Pspice model 0 Locked

    272 views
    10 replies
    Latest 6 months ago
    by Ishaan Shetye
  • Suggested Answer

    LM25148-Q1: what does the gm=1200us mean ? 0 Locked

    307 views
    9 replies
    Latest 6 months ago
    by Dino Maslic
  • Suggested Answer

    UCC27282EVM-335: HB pin is shorted to GND 0 Locked

    199 views
    8 replies
    Latest 6 months ago
    by Rubas Khalid
  • Suggested Answer

    TPS25751: FW update through FTDI 0 Locked

    64 views
    1 reply
    Latest 6 months ago
    by Raymond Lin
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