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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

    TPS2663: Maximum number of reflow cycles 0

    33 views
    2 replies
    Latest 18 hours ago
    by shirakata.yuto
  • Not Answered

    TPS51275C: Temperature rating list as 125C MAX but not in datasheet. 0

    35 views
    3 replies
    Latest 18 hours ago
    by Gautam Iyer
  • Not Answered

    BQ25820: Input voltage is getting stuck when AC is removed 0

    101 views
    11 replies
    Latest 19 hours ago
    by Christian Moyer
  • Not Answered

    BQ41Z50: It is slow to program the BQ41Z50 0

    21 views
    2 replies
    Latest 19 hours ago
    by Alex Chen
  • Suggested Answer

    LP5812: Offline Support Request 0

    34 views
    2 replies
    Latest 20 hours ago
    by Felix Wang
  • Not Answered

    TLV62130: Request for TLV62130 schematic & PCB review (IC dead phenomenon) 0

    95 views
    9 replies
    Latest 20 hours ago
    by Grady Lee
  • Not Answered

    TPS922054: Tested load output cannot drive 4A 0

    88 views
    7 replies
    Latest 20 hours ago
    by Lucia Gao
  • Not Answered

    TPS7A85: TPS7A85 design mismatches between webench and datasheet 0

    43 views
    3 replies
    Latest 20 hours ago
    by Lu Z
  • Not Answered

    BQ25638: OTG mode automatically exits with the EN_OTG bit being shut off with 1.4A load or less. 0

    28 views
    0 replies
    Started 20 hours ago
    by Woosik Lee
  • Not Answered

    TPS922055: TPS922055 calculation tool Inductor Values 0

    26 views
    2 replies
    Latest 20 hours ago
    by Lucia Gao
  • Not Answered

    BQ27Z746: protector configuration is modified in protector hardware registers after device has already been programming. 0

    24 views
    2 replies
    Latest 21 hours ago
    by Amber Si
  • Answered

    TPSM8D6B24: [TPSM8D6B24] Interconnection for AGND_A and AGND_B 0

    97 views
    3 replies
    Latest 21 hours ago
    by Jerry Shen
  • Suggested Answer

    TLC5916-Q1: Regarding Safety Critical Tell tale drving fro ASILB Instrument cluster applciation 0

    144 views
    12 replies
    Latest 21 hours ago
    by Jane Ye
  • Not Answered

    BQ27520-G4: A learning cycle for creating a golden image 0

    39 views
    2 replies
    Latest 21 hours ago
    by Masashi Mineda
  • Not Answered

    BQ40Z80: CTOS and IN being set during charging 0

    34 views
    2 replies
    Latest 22 hours ago
    by Daniel Librio
  • Not Answered

    TPS62A04B: The switch frequency goes to much higher during 0.5A-1.2A output current 0

    157 views
    12 replies
    Latest 22 hours ago
    by Paul Archer
  • Suggested Answer

    LM74912-Q1: the mechanism why the voltage/current is occured 0

    93 views
    3 replies
    Latest 22 hours ago
    by R.Fukunaga
  • Not Answered

    LM5137F-Q1: Is it possible to synchronize LM5137F with LM5146? 0

    24 views
    0 replies
    Started 1 day ago
    by Nicole Wen
  • Not Answered

    BQ25750: SYS output hiccupping (rises toward 48 V then collapses to ~4 V), no charging from adapter or battery +1

    385 views
    19 replies
    Latest 1 day ago
    by sabith ch
  • Answered

    TPS7H4010-SEP: TPS7H4010MRNPTSEP 0

    103 views
    6 replies
    Latest 1 day ago
    by Roi Kobo
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