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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.pdf
    • Answered
    • 4 days 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
    • 6 days 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
    • 6 days 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
    • 6 days 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
    • 7 days 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
    • 8 days 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 overloaded…
    • Answered
    • 8 days 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
    • 11 days 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 overloaded…
    • Answered
    • 11 days 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
    • 11 days ago
    • Power management
    • Power management forum
>

View FAQ threads
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  • Not Answered

    [FAQ] BQ25611D: BQ2561x FAQs 0

    154 views
    0 replies
    Started 1 month ago
    by Ning T
  • Not Answered

    [FAQ] BQ25790/792/798/672: Schematic and layout design tips 0

    170 views
    0 replies
    Started 1 month ago
    by Jeff F
  • Not Answered

    [FAQ] BQ25601: BQ2560x FAQs 0

    388 views
    0 replies
    Started 4 months ago
    by Ning T
  • Not Answered

    [FAQ] BQ24190: BQ2419x/BQ2429x FAQs 0

    1369 views
    1 reply
    Latest over 1 year ago
    by Ning T
  • Not Answered

    TPS650864: The TPS650940 can not normally enter S3/S4/S5 state 0

    4 views
    0 replies
    Started 3 minutes ago
    by Gabriel Wang1
  • Not Answered

    MC34063A: Does MC34063A can replace NCP3063 directly ? 0

    3 views
    0 replies
    Started 8 minutes ago
    by Jimmy WANG
  • Answered

    TPS53355: Datasheet Overcurrent Threshold Calculation Confirmation Question 0

    35 views
    3 replies
    Latest 9 minutes ago
    by Darren (FAE)
  • Not Answered

    UCC29002: load sharing 0

    10 views
    0 replies
    Started 19 minutes ago
    by Carson Hsu
  • Not Answered

    TPS62097-Q1: StepDown DC/DC feedback loop divider: mismatch between datasheet calculation and practical implementation 0

    58 views
    5 replies
    Latest 20 minutes ago
    by Tanvee
  • Answered

    LM5155: Whether it can be used with an Isolated Flyback 0

    54 views
    3 replies
    Latest 20 minutes ago
    by Brigitte
  • Not Answered

    TPS51200-Q1: LPF R4 C9 reference value 0

    9 views
    1 reply
    Latest 24 minutes ago
    by Zhao Gao
  • Suggested Answer

    LM2936Q-Q1: LM2936QHBMA 0

    78 views
    8 replies
    Latest 26 minutes ago
    by Gaurav Ingle
  • Not Answered

    LP8860-Q1: LP8860D-Q1 E2PROM Register Value 0

    21 views
    1 reply
    Latest 30 minutes ago
    by Xiaoguang1
  • Suggested Answer

    PFC & MPPT Query 0

    23 views
    2 replies
    Latest 35 minutes ago
    by Andrew Charnley
  • Answered

    TPS543B20: Stacked-Mode: Enable of slave device 0

    28 views
    2 replies
    Latest 36 minutes ago
    by Tianyi Yuan
  • Suggested Answer

    TPS25947: 350k pullup to 12V input on EN pin ? 0

    54 views
    5 replies
    Latest 41 minutes ago
    by Kunal Goel
  • Suggested Answer

    BQ24650: fast charging current change 0

    31 views
    2 replies
    Latest 43 minutes ago
    by Alberto Burani
  • Suggested Answer

    TPS2066C: TPS2066C 0

    17 views
    1 reply
    Latest 44 minutes ago
    by Ziv Zhang
  • Not Answered

    LMR16006: and LMR16030 fails very often 0

    25 views
    2 replies
    Latest 45 minutes ago
    by Eric Langel
  • Not Answered

    TPS628511: TPS628511 0

    14 views
    1 reply
    Latest 46 minutes ago
    by Varun John
<>
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