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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

    BQ21040: can we adjust the NTC β from 3370 to 3380? 0 Locked

    993 views
    1 reply
    Latest over 5 years ago
    by Nick Brylski
  • Suggested Answer

    PTH12040W: Inquire internal (on the module) feedback resistors 0 Locked

    226 views
    1 reply
    Latest over 5 years ago
    by J Arrigo
  • Answered

    BQ77905: how to detect that BQ77905 is charging or discharging. 0 Locked

    319 views
    3 replies
    Latest over 5 years ago
    by Matt Sunna
  • Answered

    TPS92691: Driving current has drop at PWM on 0 Locked

    214 views
    1 reply
    Latest over 5 years ago
    by Tuan Tran74
  • Answered

    LM26480-Q1: Switching pin's absolute maximum voltage 0 Locked

    425 views
    7 replies
    Latest over 5 years ago
    by Brian Berner
  • Answered

    TPS546D24A: How to estimate the Power dissipation of an Rboot resistor? 0 Locked

    1380 views
    1 reply
    Latest over 5 years ago
    by Peter James Miller
  • Suggested Answer

    REG1117: - 0 Locked

    269 views
    1 reply
    Latest over 5 years ago
    by JCHK
  • Suggested Answer

    BQ24075: BQ24075 0 Locked

    2643 views
    4 replies
    Latest over 5 years ago
    by Anthony P Pham
  • Suggested Answer

    TPS73801: Alternate Solution? 0 Locked

    417 views
    3 replies
    Latest over 5 years ago
    by JCHK
  • Suggested Answer

    BQ25570: Parallel Connection Input Voltage 0 Locked

    166 views
    1 reply
    Latest over 5 years ago
    by Jeff F
  • Answered

    LM5008A: Max voltage on SW pin 0 Locked

    266 views
    2 replies
    Latest over 5 years ago
    by Leo Ruyven
  • Suggested Answer

    TPS63700: TPS63700 - problem with voltages lower than ~-9.0 V 0 Locked

    760 views
    6 replies
    Latest over 5 years ago
    by Milos
  • Suggested Answer

    BQ25703A: BQ25703A I2C timing 0 Locked

    619 views
    7 replies
    Latest over 5 years ago
    by Joel Hernandez II
  • Suggested Answer

    TPS53355: Output voltage drop at high load 0 Locked

    466 views
    5 replies
    Latest over 5 years ago
    by Peter James Miller
  • Answered

    TPS55160-Q1: UVLO threshold for Vin decreasing 0 Locked

    243 views
    1 reply
    Latest over 5 years ago
    by Helen chen
  • Suggested Answer

    USB-TO-GPIO: USB shield connection. 0 Locked

    299 views
    1 reply
    Latest over 5 years ago
    by Matt Schurmann
  • Answered

    UCC28881: negative output voltage 0 Locked

    843 views
    3 replies
    Latest over 5 years ago
    by Hong Huang
  • Suggested Answer

    TPS650864: schematic package and Symbol for TPS65086401RSKT 0 Locked

    213 views
    1 reply
    Latest over 5 years ago
    by Kevin LaRosa
  • Not Answered

    BQ24650: +TPS43061 with sealed lead-acid battery problem 0 Locked

    599 views
    7 replies
    Latest over 5 years ago
    by Kedar Manishankar
  • Answered

    TPS61089: Reverse Current Protection 0 Locked

    188 views
    5 replies
    Latest over 5 years ago
    by Helen chen
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