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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

    BQ25790: Using in combination with TPS25751D 0 Locked

    363 views
    9 replies
    Latest over 1 year ago
    by Tomonori Kono
  • Answered

    TPS65987D: Dual power role and BC 1.2 0 Locked

    374 views
    2 replies
    Latest over 1 year ago
    by martin bugge
  • Answered

    LM74930-Q1: Combining LM74930 + INA228 0 Locked

    312 views
    2 replies
    Latest over 1 year ago
    by Stas Shamanin
  • Not Answered

    TPSF12C1: Active Filter for DC output 0 Locked

    269 views
    1 reply
    Latest over 1 year ago
    by Naresh Adepu
  • Answered

    TPS62913EVM-077: layout question for routing VO pin 0 Locked

    374 views
    7 replies
    Latest over 1 year ago
    by Lucia Gao
  • Not Answered

    LP8868X-Q1: LP8868X-Q1 0 Locked

    378 views
    7 replies
    Latest over 1 year ago
    by Zhiqian Wu
  • Answered

    TPS5420: BOOT to PH voltage is outside the Absolute Maximum Rating 0 Locked

    319 views
    3 replies
    Latest over 1 year ago
    by Joachim Jauert
  • Suggested Answer

    LM74701-Q1: Does it pass ISO7637-2 pulse5a? 0 Locked

    248 views
    3 replies
    Latest over 1 year ago
    by Shiven Dhir
  • Answered

    TPSM86638: Duty cycle question 0 Locked

    314 views
    2 replies
    Latest over 1 year ago
    by Gui He
  • Suggested Answer

    TPS536C7EVM-051: TPS536C7 EVM Altium files 0 Locked

    477 views
    8 replies
    Latest over 1 year ago
    by Luo KC
  • Answered

    TPS929240-Q1: fale safe topic 0 Locked

    359 views
    4 replies
    Latest over 1 year ago
    by Kim geng
  • Not Answered

    TPS653860-Q1: Voltage Rails at Power-up 0 Locked

    248 views
    1 reply
    Latest over 1 year ago
    by Florian Gabelle
  • Answered

    LMR43610: How to calculate Iq of this device 0 Locked

    277 views
    4 replies
    Latest over 1 year ago
    by Ben C
  • Not Answered

    UCC28700: 3kV output converter, quasi resonant controller = LM5185 or UCC28700 0 Locked

    274 views
    1 reply
    Latest over 1 year ago
    by Harish Ramakrishnan5
  • Suggested Answer

    TPIC6A596: TPIC6A596 two DOUT tie for 400mA LED 0 Locked

    243 views
    1 reply
    Latest over 1 year ago
    by Hailee Xu
  • Answered

    TPS25730: Power dissipation of 3.3V LDO powered from VBUS +1 Locked

    501 views
    5 replies
    Latest over 1 year ago
    by Kevin Kosta
  • Answered

    TPS3850: Enabling watchdog during operation causing WDO to wrongly assert low in SPICE simulation 0 Locked

    377 views
    1 reply
    Latest over 1 year ago
    by Joshua Garcia
  • Suggested Answer

    TPS5401: Implementing Cap-Drop 0 Locked

    194 views
    1 reply
    Latest over 1 year ago
    by Jimmy Hua
  • Suggested Answer

    LM25149-Q1: Disabling Spread Spectrum (DRSS) 0 Locked

    226 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Suggested Answer

    LM61460-Q1: Specifications for Loop Stability Test Parameter Setting 0 Locked

    615 views
    6 replies
    Latest over 1 year ago
    by Jimmy Hua
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