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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

    LM7480-Q1: EN\UVLO pin 0 Locked

    296 views
    2 replies
    Latest over 4 years ago
    by Fabio Sponticcia1
  • Answered

    UCC20225: Supply high side 0 Locked

    881 views
    7 replies
    Latest over 4 years ago
    by Max Av
  • Answered

    TPS61071-Q1: TPS61071 out ripple effect when input ripple 0 Locked

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    by Hanh Nguyen1
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    Paralleling TPS7A39 for higher current and less Zout 0 Locked

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    by Frank Brenner
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    LM5155: Higher / split Input Voltage 0 Locked

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    by Brigitte
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    Installation problem Battery Management Studio V1.3.101 buid-1 0 Locked

    583 views
    4 replies
    Latest over 4 years ago
    by Jeroen Ommering
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    TPS55165-Q1: TPS55165-Q1 0 Locked

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    by Brigitte
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    LM2665: Shutdown mode 0 Locked

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    by Brigitte
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    TPS2595: Should I use eFuse or Load Switch? 0 Locked

    1850 views
    1 reply
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    by Kunal Goel
  • Answered

    TPS568230: No package outline information on the data sheet. 0 Locked

    287 views
    1 reply
    Latest over 4 years ago
    by Andrew Xiong
  • Answered

    BQ34Z100-G1: Multi-voltage application 0 Locked

    158 views
    1 reply
    Latest over 4 years ago
    by Nick Brylski
  • Answered

    TPS92314: About operation of Constant voltage 0 Locked

    406 views
    4 replies
    Latest over 4 years ago
    by Hide
  • Answered

    TPS43061: Efficiency, sub harmonics 0 Locked

    815 views
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    Latest over 4 years ago
    by discrete
  • Suggested Answer

    BQ25895: BQ25895 0 Locked

    719 views
    8 replies
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  • Answered

    TL7705B: Questions about RT and Asserting graph of TL7705B. 0 Locked

    418 views
    5 replies
    Latest over 4 years ago
    by Ben C
  • Suggested Answer

    BQ25606: Trying to pull 2A current from SYS without battery 0 Locked

    419 views
    1 reply
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    by Ning T
  • Answered

    BQ25606: JEITA Guideline Compliance During Charging Mode 0 Locked

    366 views
    1 reply
    Latest over 4 years ago
    by Ning T
  • Answered

    TPS3851: Power management forum 0 Locked

    179 views
    1 reply
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    by Ben C
  • Answered

    BQ25710: REGN current capability 0 Locked

    496 views
    4 replies
    Latest over 4 years ago
    by Kazuto Tatsumi
  • Suggested Answer

    BQ24298: Issue with BQ24298 design 0 Locked

    474 views
    1 reply
    Latest over 4 years ago
    by Ning T
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