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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] TITLE – BQ24040 and BQ2404X family Vin to Vout vs Charge Current Regulation.

    Bill Johns
    Bill Johns
    Other Parts Discussed in Thread: BQ24090 , BQ21040 , BQ24050 When the battery voltage is low, between 3V and 3.6V the charge current is normal, 800mA. But as battery voltage increase the charge current begins to drop from 800mA to 460mA, battery is…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC27282: Gate driver IC prevents damage from negative voltage spikes due to stray layout inductance and protects against cross conduction with built-in interlock in 100V half-bridge applications

    Richard Herring
    Richard Herring
    Part Number: UCC27282 Advanced power supply designers often face challenges when designing robust, high density, and high efficiency power supplies. To achieve these, they often ask for gate driver ICs that are as small as possible, but at the same…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS659037: TPS6590376ZWSR vs TPS6590378ZWSR

    PRAHLAD Supeda
    PRAHLAD Supeda
    Part Number: TPS659037 Other Parts Discussed in Thread: AM5728 Customer is referring to AM5728 EVM schematic & using TPS6590376ZWSR. TPS6590378ZWSR is available & I see three differences between both devices from user guide: 1. GPIO_2 was added to…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] What type of bridge do I need for my PoE PD application?

    Brett Colteaux
    Brett Colteaux
    What type of bridge do I need for my PoE PD application?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23755: What is the benefit of Primary Side Regulation (PSR)?

    Brett Colteaux
    Brett Colteaux
    Part Number: TPS23755 What is the benefit of Primary Side Regulation (PSR)?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is high efficiency important in PoE applications?

    Brett Colteaux
    Brett Colteaux
    Why is high efficiency important in PoE applications?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23754: Can I use 24V PoE in my PD application?

    Brett Colteaux
    Brett Colteaux
    Part Number: TPS23754 Can I use 24V PoE in my PD application?
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23751: Can APD pin left floating on my PoE PD controller?

    Darwin Fernandez
    Darwin Fernandez
    Part Number: TPS23751 Hi Darwin, For all of TI's PoE PDs, even if there is an internal pull down on APD, it is recommended and good practice to terminate this pin to RTN or ARTN if APD is not used. This is also described in the PoE PD's datasheet.
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2372: What kind of MPS (maintain power signature) feature does my PoE PD application need?

    Darwin Fernandez
    Darwin Fernandez
    Part Number: TPS2372 Other Parts Discussed in Thread: TPS2373 , , TPS23752 Hi Darwin, In general, a PD can meet MPS by supplying at least 0.5W to the PSE (usually meets the MPS spec by the load going into normal operation). We have one family of…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2372: What is the TPH, TPL, BT code when connected to an AT PSE, AF PSE or BT PSE, or a POE++ PSE, or an Adapter?

    Darwin Fernandez
    Darwin Fernandez
    Part Number: TPS2372 The table below shows the TPH-TPL-BT state when connected to an AT PSE (Type 1 or Type 2) or AF PSE (Type 1) , BT PSE (Type 3 or 4), non-standard POE++ PSE, or adapter (when APD goes high). PSE Type Power Sourced from…
    • over 6 years ago
    • Power management
    • Power management forum
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  • Answered

    TPS3851: Tolerance of Minimum MR, SET1 pin pulse duration 0

    34 views
    1 reply
    Latest 6 days ago
    by Masoud Beheshti61
  • Suggested Answer

    BQ25890: the accurate battery level cannot be read during charging. 0

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    BQ40Z50-R1: How do you determine what Maximum Cell Balance Time Values to use? 0

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    BQ25606EVM-772: BQ25606 used to charge a battery 0

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    LMR51635: LMR51635YFDDCR 0

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    24 views
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    TPS23861: Multiple Device failures 0

    56 views
    6 replies
    Latest 6 days ago
    by Anagha Jagannath
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    BQ40Z50: SHA1 encryption protocol has an inconsistency issue between the Digest value returned by the BQ40Z50 and the chip's return value 0

    30 views
    1 reply
    Latest 6 days ago
    by Alan Frias
  • Answered

    UCC28C44-Q1: A Student's Question on a Practical Workflow: Is Modifying Reference Designs a Valid Path? 0

    43 views
    1 reply
    Latest 6 days ago
    by Jonathan Wong
  • Suggested Answer

    BQ25751EVM: Request a BQ25751EVM Altium files 0

    85 views
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    Latest 6 days ago
    by Christian Moyer
  • Answered

    BQ25751EVM: BQ25751EVM : Boost battery voltage to a level larger than VAC 0

    22 views
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    Latest 6 days ago
    by Christian Moyer
  • Suggested Answer

    UCC28070: UCC28070 (A) PSIM Working Model 0

    63 views
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    Latest 6 days ago
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  • Not Answered

    UCD3138: UCD3138: PWM waveform cannot be expanded according to normal feedback logic 0

    24 views
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