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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] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Answered

    CSD95490Q5MC: Thermal metric of θJA 0 Locked

    304 views
    3 replies
    Latest over 4 years ago
    by Tiger Yeh
  • Suggested Answer

    TPS2121: Max value for t_FSW 0 Locked

    142 views
    1 reply
    Latest over 4 years ago
    by Shreyas Dmello
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    EV2400: EV2400 0 Locked

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    2 replies
    Latest over 4 years ago
    by Vladimir Yershov76
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    TPS22917: CT pin of TPS22917 0 Locked

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    by Shreyas Dmello
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    TPS65217CEVM: Does TPS65217C support RTC Mode at AM335x? 0 Locked

    472 views
    1 reply
    Latest over 4 years ago
    by Brian Berner
  • Answered

    TPS2121: Is TPS2121 bidirectional? 0 Locked

    248 views
    1 reply
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    by Shreyas Dmello
  • Suggested Answer

    TPS51206: Power-up/down sequence 0 Locked

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    1 reply
    Latest over 4 years ago
    by Weidong Zhu
  • Not Answered

    BQ34Z100-G1: The default CC Gain/CC Delta value is different from TRM and actual EVM value 0 Locked

    220 views
    1 reply
    Latest over 4 years ago
    by Nick Brylski
  • Not Answered

    BQ24600: Status pin blinks at 1/2 Hz 0 Locked

    394 views
    5 replies
    Latest over 4 years ago
    by Kedar Manishankar
  • Answered

    Looking for a DC/DC converter suggestion 0 Locked

    158 views
    2 replies
    Latest over 4 years ago
    by Jay128
  • Suggested Answer

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    264 views
    11 replies
    Latest over 4 years ago
    by Nick Brylski
  • Answered

    REF2033: Problem with the EN pin of REF2033 0 Locked

    528 views
    5 replies
    Latest over 4 years ago
    by Marcoo Z
  • Suggested Answer

    BQ2004: NiMH charger 0 Locked

    314 views
    1 reply
    Latest over 4 years ago
    by Kedar Manishankar
  • Answered

    TPS51200: Max and Min Cap value for Vo and VTTref 0 Locked

    307 views
    4 replies
    Latest over 4 years ago
    by Takashi Onawa
  • Answered

    CSD18531Q5A: Qsw for transistor CSD18531Q5A 0 Locked

    529 views
    2 replies
    Latest over 4 years ago
    by Val Valeriy
  • Answered

    TPS7B7702-Q1: the duration time of the inrush current 0 Locked

    235 views
    3 replies
    Latest over 4 years ago
    by Jason Song
  • Suggested Answer

    BQ25970: BQ25970 I2C interface 0 Locked

    363 views
    4 replies
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    by Angelo Zhang87
  • Suggested Answer

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    367 views
    1 reply
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  • Answered

    TPS737: How to deal with EN pin? 0 Locked

    282 views
    5 replies
    Latest over 4 years ago
    by Stephen Ziel
  • Suggested Answer

    TPS2549: EN and CTRL1/2/3 sequence quesition 0 Locked

    306 views
    1 reply
    Latest over 4 years ago
    by Emma Hoying
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