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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] BQ24610, BQ24616, BQ24617, BQ24618, & BQ24630: Layout guidelines and example

    Michael Emanuel35
    Michael Emanuel35
    Part Number: BQ24610 Other Parts Discussed in Thread: BQ24617 , BQ24616 , , BQ24618 , BQ24630 Please see the below document for the layout guidelines and example for the BQ24610, BQ24616, BQ24617, BQ24618, and BQ24630. Layout Guidelines and Example…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS3840: PFET based disconnect on overvoltage

    Ajay Padgaonkar
    Ajay Padgaonkar
    Part Number: TPS3840 In case of an overvoltage situation, how can the downstream power tree be disconnected to protect it from such overvoltage? Can reset ICs not only sense the overvoltage but also drive a PFET switch to turn it off?
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS62903: Reasons for Vout variations away from the expected value?

    Joseph Conrad
    Joseph Conrad
    Part Number: TPS62903 Other Parts Discussed in Thread: TPS62901 , TPS629210-Q1 What are some of the causes of output voltage variations in the TPS62901/2/3 buck converters?
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS62130A: How to use the Power Good (PG) pin?

    Joseph Conrad
    Joseph Conrad
    Part Number: TPS62130A Other Parts Discussed in Thread: TPS62130 , What is the PG pin used for and what are the differences between the TPS62130 and TPS62130A?
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25171-Q1: Configuration Pins and Design Questions

    Bill Johns
    Bill Johns
    Part Number: BQ25171-Q1 The device can be configured to charge Li-Ion, NiMH and LiFePO using external pins. Can the configuration be changed during operation? Any other things I should note?
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25890: Why does ICHG reduce when reaching the maximum duty cycle for the BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, BQ24190, BQ24192, BQ24195, BQ24195L, BQ24196, BQ24295, BQ24296, BQ24296M, BQ24259?

    Wyatt Keller
    Wyatt Keller
    Part Number: BQ25890 The charger is basically a step-down DC-DC (buck) converter. It requires the input voltage to be higher than the output voltage with some headroom for normal operations. The maximum duty cycle specification is one of the factors…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25890: Why does ICHG reduce during input voltage DPM (Dynamic Power Management) or the input current DPM for the chargers BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, BQ24190, BQ24192, BQ24195, BQ24195L, BQ24196,...

    Wyatt Keller
    Wyatt Keller
    Part Number: BQ25890 When the input source is over-loaded, it is either from the current exceeding the IINDPM (Input Current Limit) or from the voltage dropping below VINDPM (Input Voltage Limit). For the current to cause the input source to be…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25618: [FAQ] Why does ICHG reduce when reaching the maximum duty cycle for the BQ25618, BQ25618E, BQ25619, BQ25611D, BQ25616, BQ25600, BQ25600D, BQ25601, BQ25601D, BQ25606?

    Wyatt Keller
    Wyatt Keller
    Part Number: BQ25618 The charger is basically a step-down DC-DC (buck) converter. It requires the input voltage to be higher than the output voltage with some headroom for normal operations. The maximum duty cycle specification is one of the factors…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25618: Why does ICHG reduce during the input current DPM (Dynamic Power Management) or the input voltage DPM for the chargers BQ25618, BQ25618E, BQ25619, BQ25611D, BQ25616, BQ25600, BQ25600D, BQ25601, BQ25601D, BQ25606?

    Wyatt Keller
    Wyatt Keller
    Part Number: BQ25618 When the input source is over-loaded, it is either from the current reaching the IINDPM (Input Current Limit) or from the voltage dropping to the VINDPM (Input Voltage Limit). For the current to cause the input source to be…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS53353: [FAQ] VFB at Light Load Current vs Heavier Load Current

    Alec Biesterfeld
    Alec Biesterfeld
    Part Number: TPS53353 If using skip mode, a higher VOUT is expected at a light load when compared to a heavier load when the device is operating in CCM. This is not an artifact of the reference voltage (or feedback voltage) changing as a function of load…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
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  • Answered

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