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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] TPS2373: What is the functionality of the TPH, TPL, and /BT pins for TIs IEEE802.3bt-ready PoE PDs?

    Brett Colteaux
    Brett Colteaux
    Part Number: TPS2373 What is the functionality of the TPH, TPL, and /BT pins for TIs IEEE802.3bt-ready PoE PDs?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] PoE: Understanding Power Demotion

    Daniel Campano
    Daniel Campano
    Part Number: TPS2372 Hello, I'm understand the concept of demotion but I don't understand the Table 3 on the datasheet for TPS2372. On page 16 we can see Table 3. It states that a PSE type 3-4 can just allocate 12.95w on a type 4-8 PD. If a Type…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65916: Blank part and whether we can program OTP in our lab

    Naveen HN
    Naveen HN
    Part Number: TPS65916 Other Parts Discussed in Thread: TPS650861 , TPS65218D0 We want to use TPS65916 part with one of our proprietary processor and wanted to know whether the TPS65916 part is available without pre-programmed OTP? Our required start…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23754: Should APD be tied to Vss for PoE input ORing?

    david chen86
    david chen86
    Part Number: TPS23754 Hi, In our POE PD design we must tie 'APD' to 'Vss' so that DC adaptor input can be in parallel with full-bridge output. Is there any concern? The output of POE PD is fixed to 12V and the input range of adaptor is 18V ~ 48V…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23861 PoE PSE Controller: PSE to PSE Connection Concerns

    Patrick Chen
    Patrick Chen
    Part Number: TPS23861 Hello if customer use TPS23861 that PSE connect to another PSE via cable. Has any damage risk for it? Has any protection integrated on TPS23861? Thank you. BR Patrick
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23754: Is 24V PoE input supported?

    Bonnie Chen
    Bonnie Chen
    Part Number: TPS23754 Hi Team, 1. Can TPS23754 support "passive POE input" down to 24V? 2.also recommend any transformer for 24Vin. Condition: 25W/24Vin-57Vin thanks a lot!
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65381A-Q1: Is there a Hercules / TMS570 software library for the TPS65381A-Q1?

    Scott Monroe
    Scott Monroe
    Part Number: TPS65381A-Q1 Is there a Hercules / TMS570 software library for the TPS65381A-Q1?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS659037: package and pin assign information

    ACGUY
    ACGUY
    Part Number: TPS659037 Hello E2E, Our customer is designing next new product for using the TPS6590376. I suggested to customer for change the PMIC from TPS6590376 to TPS6590378. However, I did not to finde the explain document for difference point…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] PoE PD Controllers: What is the purpose of the isolation capacitor (Cio) between RTN and isolated output ground?

    Earl Smith97
    Earl Smith97
    Part Number: TPS23751 Other Parts Discussed in Thread: TPS23755EVM-894 What is the purpose of Cio in figure 32 of the TPS23751 datasheet? I have a noise problem at a specific frequency and it appears to be related to my layout of the POE circuit.…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ]How to design PSE port polarity to be IEEE802.3bt compliant

    Paul Kottas
    Paul Kottas
    Part Number: TPS23880 Hi! I'm testing this new EVM with several different PDs on it's 2-pair and 4-pair outputs. Single signature on 4-pair works and turns on signal and spare pairs. However dual-signature on 4-pair only spare pair turns on, and…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
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  • Answered

    BQ76930: REGSRC source follower configuration 0 Locked

    301 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Not Answered

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    307 views
    7 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    BQ35100: Difference between Control(), AltManufacturerAccess() and ManufacturerAccess() and how to use them 0 Locked

    245 views
    5 replies
    Latest over 1 year ago
    by Diego
  • Answered

    BQ28Z610-R1: Operation Status bits 14:13 - XCHG/XDSG or SEC1/SEC0? 0 Locked

    226 views
    2 replies
    Latest over 1 year ago
    by Jim McGarvey
  • Answered

    BQ51003: Tool to monitor communication in Qi system 0 Locked

    446 views
    5 replies
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    by Bill Johns
  • Suggested Answer

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    332 views
    5 replies
    Latest over 1 year ago
    by Ulrich Goerke
  • Answered

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    1019 views
    34 replies
    Latest over 1 year ago
    by Emanuel Marinescu
  • Answered

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    85 replies
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

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    471 views
    4 replies
    Latest over 1 year ago
    by Raymond Lin
  • Answered

    BQ25792: Board design review 0 Locked

    370 views
    3 replies
    Latest over 1 year ago
    by Nir Alon
  • Answered

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    989 views
    29 replies
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

    TPS3435-Q1: TPS3435-Q1 0 Locked

    338 views
    1 reply
    Latest over 1 year ago
    by Shridhar%20More
  • Suggested Answer

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    203 views
    5 replies
    Latest over 1 year ago
    by Jonny
  • Suggested Answer

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    721 views
    7 replies
    Latest over 1 year ago
    by Jonny
  • Not Answered

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    520 views
    3 replies
    Latest over 1 year ago
    by Jimmy Hua
  • Suggested Answer

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    284 views
    5 replies
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  • Suggested Answer

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    292 views
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    Latest over 1 year ago
    by Jimmy Hua
  • Answered

    UCC21520: Output signal observed incomplete and not fully formed for some period of time. +1 Locked

    988 views
    24 replies
    Latest over 1 year ago
    by Hiroki Honda
  • Not Answered

    LM25180-Q1: EMI (CE Voltage) Improvement Questions 0 Locked

    258 views
    3 replies
    Latest over 1 year ago
    by David Baba
  • Not Answered

    TPS650864: May TPS6508641 outputs be unstable even without load connections if the AGND, PGNDSNSx, or FBGND2 are accidentally to be connected to the thermal pad on the top layer? 0 Locked

    357 views
    5 replies
    Latest over 1 year ago
    by James Steenbock
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