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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] How to optimize layout of the PoE PD system?

    Brett Colteaux
    Brett Colteaux
    How to optimize layout of the PoE PD system?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] What is the use of T2P in PoE applications?

    Brett Colteaux
    Brett Colteaux
    What is the use of T2P in PoE applications?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] I want to add an adapter to my PoE PD design. What are the different adapter ORing options I can implement? What are considerations for each option?

    Brett Colteaux
    Brett Colteaux
    I want to add an adapter to my PoE PD design. What are the different adapter ORing options I can implement? What are considerations for each option?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does my PoE PD EVM continuously power cycle after connecting to an IEEE802.3at compliant PSE?

    Brett Colteaux
    Brett Colteaux
    Why does my PoE PD EVM continuously power cycle after connecting to an IEEE802.3at compliant PSE?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is soft-start so important with PoE devices?

    Brett Colteaux
    Brett Colteaux
    Why is soft-start so important with PoE devices?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] How is the PoE handshake done between PSE and PD (detection, classification and inrush)?

    Brett Colteaux
    Brett Colteaux
    How is the PoE handshake done between PSE and PD (detection, classification and inrush)?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the anticipated changes between the IEEE802.3at and IEEE802.3bt PoE standards?

    Brett Colteaux
    Brett Colteaux
    What are the anticipated changes between the IEEE802.3at and IEEE802.3bt PoE standards?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] How does the data signal and power operate in the same Ethernet cable?

    Brett Colteaux
    Brett Colteaux
    How does the data signal and power operate in the same Ethernet cable?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ76930: or bq76940: Zero volts reported after boot

    WM5295
    WM5295
    Part Number: BQ76930 Other Parts Discussed in Thread: BQ76940 , Why do some cell voltages read 0 after boot with the bq76930 or bq76940?
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] How to calculate Junction Temperature for PoE PD + PWM Controller

    Chen Bogey8
    Chen Bogey8
    Part Number: TPS23751 Hi Sir May we know how to calculation TPS23751 power dissipation? As i know, the Tj = Pd * Rjc+ Tc, am i right? Bogey
    • over 7 years ago
    • Power management
    • Power management forum
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View FAQ threads
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  • Answered

    BQ25120A: PFM to PWM transition issues 0 Locked

    746 views
    7 replies
    Latest over 6 years ago
    by Damien Genouille
  • Answered

    TPS23751: Capacitor connecting GND references on the isolated design example in the data sheet 0 Locked

    217 views
    1 reply
    Latest over 6 years ago
    by Thomas Amlee
  • Answered

    [FAQ] PoE PD Controllers: What is the purpose of the isolation capacitor (Cio) between RTN and isolated output ground? 0 Locked

    1190 views
    1 reply
    Latest over 6 years ago
    by Thomas Amlee
  • Suggested Answer

    UCC28063: UCC28063 OCP Behavior 0 Locked

    292 views
    1 reply
    Latest over 6 years ago
    by Mike O'
  • Suggested Answer

    BQ20Z90: I have a problem, please your hend !! 0 Locked

    270 views
    4 replies
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    BQ20Z90: Soc doesn't correct 0 Locked

    225 views
    3 replies
    Latest over 6 years ago
    by Batt
  • Answered

    TPS23751: If there want to change from class 3 to class4, we just need change Rls from 63.4Ω to 90.9Ω. am i right? 0 Locked

    262 views
    3 replies
    Latest over 6 years ago
    by Thomas Amlee
  • Suggested Answer

    NA 0 Locked

    136 views
    1 reply
    Latest over 6 years ago
    by Jeff F
  • Answered

    BQ78350-R1: How to set Fixed EDV0/1/2 ? 0 Locked

    2698 views
    2 replies
    Latest over 6 years ago
    by Bruce li
  • Suggested Answer

    BQ40Z50: Chemical Fuse suppliers as used in the EVM 0 Locked

    455 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Answered

    TPS23753: no Gate drive output for the dc/dc converter switching MOSFET 0 Locked

    2556 views
    18 replies
    Latest over 6 years ago
    by Bart
  • Answered

    TPS563208: Enable threshold 0 Locked

    476 views
    3 replies
    Latest over 6 years ago
    by Martin Vit
  • Answered

    TPS53319: TPS53319DQPR 0 Locked

    254 views
    2 replies
    Latest over 6 years ago
    by Lionel Grada50
  • Answered

    BQ24650: Converter Operation 12kHz-17kHz or 17-25kHz? 0 Locked

    328 views
    2 replies
    Latest over 6 years ago
    by Beau Rogers
  • Answered

    TPS23751: the customer use TPS23751 in AT-type2, is it also can be backward compatible AT-type1 ? 0 Locked

    223 views
    2 replies
    Latest over 6 years ago
    by Thomas Lewis
  • Answered

    TPS2373: About PoE specification IEEE 802.3bt. 0 Locked

    487 views
    2 replies
    Latest over 6 years ago
    by Thomas Lewis
  • Answered

    UCC28050: Low voltage PFC 0 Locked

    417 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
  • Suggested Answer

    WEBENCH® Tools/TPS40140: Cannot use WEBENCH 0 Locked

    234 views
    1 reply
    Latest over 6 years ago
    by Qian Chen
  • Answered

    UCC2897A: UCC2897A Input voltage range application 0 Locked

    292 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
  • Not Answered

    BQ24210: Calculating of RVDPM? 0 Locked

    255 views
    2 replies
    Latest over 6 years ago
    by Oliver Schett
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