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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

    UCC2897A: Standby mode application in UCC2897A control chip 0 Locked

    224 views
    2 replies
    Latest over 4 years ago
    by Navin Kumar2
  • Not Answered

    TPS61089: IC goes into an unknown status 0 Locked

    321 views
    2 replies
    Latest over 4 years ago
    by Helen chen
  • Suggested Answer

    BQ24770: BQ24770 switching step down efficiency 0 Locked

    470 views
    5 replies
    Latest over 4 years ago
    by Angelo Zhang87
  • Suggested Answer

    TPS565208: TPS565208 issue when loading 0 Locked

    423 views
    6 replies
    Latest over 4 years ago
    by Edwin Zang
  • Not Answered

    TPS54336A: At power down, TPS54336A graceful shut down 0 Locked

    324 views
    2 replies
    Latest over 4 years ago
    by Zhao Ma
  • Answered

    TPS51120: 5V converter not starting when configured for current mode operation. 0 Locked

    225 views
    6 replies
    Latest over 4 years ago
    by Lishuang Zhao
  • Answered

    TPS61390: Phantom Power 0 Locked

    636 views
    8 replies
    Latest over 4 years ago
    by Helen chen
  • Suggested Answer

    LM2587: LM2587T–ADJ 0 Locked

    394 views
    1 reply
    Latest over 4 years ago
    by Zack Liu
  • Suggested Answer

    TPS65400: Intermediate voltage during power up 0 Locked

    219 views
    4 replies
    Latest over 4 years ago
    by Zhao Ma
  • Suggested Answer

    LP5036EVM: Altium Files for EVM 0 Locked

    445 views
    3 replies
    Latest over 4 years ago
    by Monet Xu
  • Not Answered

    TLV757P: Accuracy of TLV7530PDRVR 0 Locked

    175 views
    1 reply
    Latest over 4 years ago
    by Nick Butts
  • Answered

    TPS62056: threshold of Power-Save Mode 0 Locked

    339 views
    2 replies
    Latest over 4 years ago
    by Shinichi Inoue
  • Answered

    LM4040: add capacitors to input/output pin at series connection 0 Locked

    402 views
    2 replies
    Latest over 4 years ago
    by Shinichi Inoue
  • Suggested Answer

    BQ24092: Minimum charge current reduction from 50mA to 10mA 0 Locked

    265 views
    5 replies
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    CCS/TPS61022: The measured voltage is much lower than expected with loads 0 Locked

    546 views
    16 replies
    Latest over 4 years ago
    by Guanghua Guo
  • Suggested Answer

    LM25180: galvanically decoupled dual isolated output? 0 Locked

    893 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Answered

    LP5907UV-3.3EVM: Information for Discontinued 0 Locked

    269 views
    2 replies
    Latest over 4 years ago
    by Wilson Fwu
  • Answered

    TL494: TL494 constant current 0 Locked

    1123 views
    1 reply
    Latest over 4 years ago
    by Hong Huang
  • Suggested Answer

    DC Converter 0 Locked

    525 views
    18 replies
    Latest over 4 years ago
    by Marshall_Beck
  • Answered

    TPS56221: How do you determine or set the TPS6221 switching frequency? 0 Locked

    320 views
    2 replies
    Latest over 4 years ago
    by Chuck Sampson
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