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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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    LM5116: The output voltage is abnormal 0 Locked

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