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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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  • Not Answered

    TPS63901: TPS63901YCJR output stuck at 1.8 V 0

    48 views
    2 replies
    Latest 2 days ago
    by Lei Zhong
  • Answered

    LM5137F-Q1: Noisy output 0

    32 views
    3 replies
    Latest 2 days ago
    by Timothy Hegarty
  • Answered

    LM5177:Is LM5177 suitable for such design conditions? 0

    87 views
    9 replies
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    BQ77216: BQ7721600PWR schematics review 0

    9 views
    0 replies
    Started 2 days ago
    by Kevin Huang8
  • Suggested Answer

    BQ24650: Recommendation for charger and BMS ICs for 2S1P LiFePO4 and solar 0

    82 views
    9 replies
    Latest 2 days ago
    by Christian Moyer
  • Suggested Answer

    TPS25924: BFET 0

    149 views
    16 replies
    Latest 2 days ago
    by Shuji Ishiwata
  • Not Answered

    TPS552892: output too low 0

    21 views
    1 reply
    Latest 2 days ago
    by Shipeng Cheng
  • Not Answered

    LP8867C-Q1: Is there any risk in providing PWM and EN at the same time at start-up timing 0

    41 views
    2 replies
    Latest 2 days ago
    by Suchen Dong
  • Not Answered

    LP8868Y-Q1: LP8868Y-Q1: 0

    14 views
    1 reply
    Latest 2 days ago
    by Suchen Dong
  • Not Answered

    LP5860EVM: Continuation of 1528332/lp5860evm-is-my-lp5860evm-dead/5897803 0

    63 views
    6 replies
    Latest 2 days ago
    by Felix Wang
  • Not Answered

    TPS25983: What is the MPN used for Excel calculator? 0

    41 views
    2 replies
    Latest 2 days ago
    by Ernest Yong
  • Suggested Answer

    LP5815: Offset Debug 0

    60 views
    4 replies
    Latest 2 days ago
    by Felix Wang
  • Not Answered

    BQ76942: COV Safety Status Bit is set but XCHG does not get set hence the FET does not get disabled 0

    91 views
    7 replies
    Latest 2 days ago
    by Rohin Nair
  • Suggested Answer

    LM63635-Q1: Please confirm the output current of PGOOD pin. 0

    69 views
    7 replies
    Latest 2 days ago
    by Frank De Stasi
  • Not Answered

    TPS2373: Use the TPS2373 in a dual-signature PD system 0

    223 views
    16 replies
    Latest 2 days ago
    by Zhining Zhang
  • Not Answered

    TPS3851: tRST is significantly lower than mentioned in datasheet 0

    62 views
    4 replies
    Latest 2 days ago
    by Sila Atalar
  • Suggested Answer

    TPS92663A-Q1: ADDR0/1 pin 0

    17 views
    1 reply
    Latest 2 days ago
    by Jaron Wilson
  • Answered

    BQ51013C: Guidance for selecting appropriate wireless receiving coil 0

    111 views
    9 replies
    Latest 2 days ago
    by Bill Johns
  • Answered

    BQ2040: When charging supply is plugged, BQ24040 supplies the circuit even there is no battery 0

    38 views
    1 reply
    Latest 2 days ago
    by Michael Emanuel35
  • Suggested Answer

    TUSB546A-DC register configuration 0

    31 views
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    Latest 2 days ago
    by Ryan Kitto
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