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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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  • Answered

    TPS2663: Release date 0 Locked

    203 views
    1 reply
    Latest over 6 years ago
    by Lokesh Ghulyani
  • Answered

    TPS1H100-Q1: Loss of Power Supply Protection 0 Locked

    299 views
    3 replies
    Latest over 6 years ago
    by Tomoaki Yoshida91
  • Answered

    WEBENCH® Tools/LM22678: LM22678: LM22678TJ-5.0/NOPB Mejor component selection inductor selection query? 0 Locked

    1368 views
    4 replies
    Latest over 6 years ago
    by hardik jani
  • Answered

    BQ24095: Battery IC start heating and don't stop battery charging when battery in reverse polarity 0 Locked

    1627 views
    3 replies
    Latest over 6 years ago
    by Denish Limbachiya
  • Answered

    TPS62120: Function of PMOS 0 Locked

    425 views
    1 reply
    Latest over 6 years ago
    by Chris Glaser
  • Answered

    TPS54335A: synchronizing to an external clock 0 Locked

    283 views
    2 replies
    Latest over 6 years ago
    by Shawn Nie
  • Answered

    LM5018: Absolute Maximum Ratings (SW to RTN) 0 Locked

    802 views
    4 replies
    Latest over 6 years ago
    by K.Yaita
  • Answered

    TPS659037: Startup with internal RC oscillator 0 Locked

    688 views
    7 replies
    Latest over 6 years ago
    by Hiroshi Sato98
  • Suggested Answer

    TPS542941: PGND hook up and output ground via spacing 0 Locked

    619 views
    3 replies
    Latest over 6 years ago
    by Sam(MPAA) Zhang
  • Suggested Answer

    TLV1117LV: Please verifiy the IC markings 0 Locked

    299 views
    1 reply
    Latest over 6 years ago
    by Eric.Preiss
  • Answered

    BQ40Z50-R2: Impedance track golden pack: do Learning Cycle or Temperature Optimisation first? 0 Locked

    503 views
    2 replies
    Latest over 6 years ago
    by Jonathan Bradshaw98
  • Answered

    TPS63050: TPS63050 FB Question. 0 Locked

    659 views
    4 replies
    Latest over 6 years ago
    by Milos
  • Suggested Answer

    BQ76PL455A: BQ76PL455 acquisition problem 0 Locked

    600 views
    2 replies
    Latest over 6 years ago
    by Sherry Liang
  • Answered

    TPS54240: Vref Accuracy 0 Locked

    312 views
    1 reply
    Latest over 6 years ago
    by JohnTucker
  • Suggested Answer

    LM5060: In-rush current 0 Locked

    1032 views
    2 replies
    Latest over 6 years ago
    by Rakesh
  • Suggested Answer

    TPS2492: Timing of recovery from Overvoltage 0 Locked

    363 views
    2 replies
    Latest over 6 years ago
    by Rakesh
  • Suggested Answer

    BQ78350-R1: The fuel gauge is obviously inaccurate during inductive load?(BQ78350-R1 + bq76930) 0 Locked

    667 views
    2 replies
    Latest over 6 years ago
    by Sherry Liang
  • Answered

    TPS82085: plating information: What is the gold thickness 0 Locked

    456 views
    2 replies
    Latest over 6 years ago
    by Shai Berman
  • Suggested Answer

    BQ40Z50: I2C communication 0 Locked

    2916 views
    2 replies
    Latest over 6 years ago
    by Swaminathan Ramanathan75031
  • Suggested Answer

    BQ40Z50-R2: down gradning to bq40z50 0 Locked

    303 views
    1 reply
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    by Swaminathan Ramanathan75031
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