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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] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25620: How is VSYS regulated for BQ25620/22 and BQ25628/29? What conditions determine how it’s regulated? When is SYSMIN threshold valid?

    Alec Lehman
    Alec Lehman
    Part Number: BQ25620 The BQ2562x family of chargers use the Narrow VDC (NVDC) architecture where system and battery are separated by BATFET. The way VSYS is regulated depends on two key conditions: whether charging is enabled or disabled and whether…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Which Battery Applications should I use Non-isolated Gate Drivers For?

    Carson Gamble
    Carson Gamble
    Other Parts Discussed in Thread: TIDA-010216 , UCC27524 , BQ76952 , UCC27517 , UCC27624 , PMP10110 , UCC27714 , PMP21529 , UCC27211A Non-isolated gate drivers are used in battery applications. This will go over multiple different applications, the benefits…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] How Do I Choose the Best Non-isolated Gate Driver for Electric Vehicle (EV) Charging Station Topologies?

    Carson Gamble
    Carson Gamble
    Electric vehicle (EV) charging systems are of two types: AC and DC. The AC charging system has to interface with the EV's internal on-board charger (OBC) before reaching the battery. The DC charging system interfaces with an external Electric Vehicle…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the sequence of ACFET/RBFET and BATFET when the adapter is plugged in? What is it when the adapter is unplugged? Can these FETs be on at the same time? What happens if a battery is removed or inserted while an adapter is present...

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 ACFET/RBFET and BATFET can never be on at the same time, otherwise there would be a short from the adapter input to the battery. The process always starts from ACDET, which cannot be ignored by the controller, although it can be directly…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: I am using sense resistor values other than 10mΩ to extend the input current range, but the GUI does not display this extended range.

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 The GUI display is written based on 10mΩ sense resistors, so the IIN_HOST register (0x3F) displays the same setting values regardless of the input sense resistor used. Therefore, the user needs to convert/scale the setting values…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: Where is the full datasheet for BQ24800?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 The full datasheet for BQ24800 currently has to be requested. On the product page ( here ), scroll to "Request more information".
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z746 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z746 BQ27Z746 FAQ Home Page This is the home page for common questions in relation to the BQ27Z746 . FAQs Related FAQ home pages: Impedance Track FAQ home Page What information does TI need to help with…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ78Z100 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ78Z100 BQ78Z100 FAQ Home Page This is the home page for common questions in relation to the BQ78Z100 . FAQs Related FAQ home pages: Impedance Track FAQ home Page What information does TI need to help with…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ28Z610 FAQs

    Wyatt Keller
    Wyatt Keller
    BQ28Z610 FAQ Home Page This is the home page for common questions in relation to the BQ28Z610 and BQ28Z610-R1 . FAQs Related FAQ home pages: Impedance Track FAQ home Page What information does TI need to help with learning/accuracy/operation…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Not Answered

    TPS2490: Reverse current 0

    9 views
    0 replies
    Started 3 days ago
    by John De Clercq
  • Not Answered

    TPS546D24S: Output Voltage Setting error 0

    11 views
    0 replies
    Started 3 days ago
    by Nagendra K
  • Suggested Answer

    BQ79731-Q1: BQ79731-Q1 0

    38 views
    2 replies
    Latest 3 days ago
    by Etienne Vanzieleghem
  • Answered

    LMR38020-Q1: Adding snubber circuit to prevent EMI 0

    23 views
    1 reply
    Latest 3 days ago
    by Niranjan Nair
  • Not Answered

    BQ4050EVM-561: BQ4050EVM-561_EVM board 0

    27 views
    2 replies
    Latest 3 days ago
    by Parul Nawaria
  • Suggested Answer

    TPS2490: Short Circuit Current Limit 0

    118 views
    7 replies
    Latest 3 days ago
    by Stanislav Dittmar
  • Suggested Answer

    TPS65135: VPOS output voltage tolerance 0

    99 views
    8 replies
    Latest 3 days ago
    by Colin Chen
  • Suggested Answer

    BQ28Z610-DEVICE-FW: Re: Learning Cycle Support – .log, Schematic, and Cell Datasheet Attached 0

    40 views
    5 replies
    Latest 3 days ago
    by Tarek Sharbo
  • Not Answered

    TPS53319: REACH - Affected 0

    28 views
    1 reply
    Latest 3 days ago
    by Gautam Iyer
  • Not Answered

    TPSM63610: Feedback control is unstable 0

    39 views
    2 replies
    Latest 3 days ago
    by Kaji@PAN
  • Not Answered

    UCC28056: UCC28056: Circuit power consumption evaluation. And UCC28056 power consumption test method 0

    54 views
    3 replies
    Latest 3 days ago
    by SIRIPURAM YAMINI
  • Not Answered

    TPS65131: Improve load transient repsonse 0

    71 views
    7 replies
    Latest 3 days ago
    by Patrick Yao
  • Not Answered

    LM5143: LM5143 Output oscillation at independent dual output operation 0

    52 views
    1 reply
    Latest 3 days ago
    by Onkar Bhakare
  • Not Answered

    LP8867-Q1: Schematic review and debug 0

    46 views
    2 replies
    Latest 3 days ago
    by Zhiqian Wu
  • Not Answered

    UCD90160A: How to change a Device part number for an existing project file in Fusion Digital Power Designer tool 0

    44 views
    1 reply
    Latest 3 days ago
    by yihe
  • Suggested Answer

    TPS25946: Revers current limit 0

    37 views
    2 replies
    Latest 3 days ago
    by Takuya Terada
  • Suggested Answer

    BQ40Z50: BQ40Z50-R3 FCC decline 0

    135 views
    4 replies
    Latest 3 days ago
    by jang hwigyeong
  • Not Answered

    LM5185-Q1: Flyback can not work as designed 0

    233 views
    19 replies
    Latest 3 days ago
    by wenjie Yang
  • Not Answered

    TPS61289: what's the response delay of transition from Buck to Boost mode 0

    29 views
    1 reply
    Latest 3 days ago
    by Travis Wang
  • Suggested Answer

    TPS92380: Question about SW terminal behavior just after powered on. 0

    121 views
    12 replies
    Latest 3 days ago
    by Colin Chen
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