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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 1 year 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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  • Not Answered

    TPS61175: Request for Ultra-Low Quiescent Current Boost Converter Solution for Portable Device 0 Locked

    391 views
    6 replies
    Latest over 1 year ago
    by Lei Zhong
  • Answered

    LMG2100R044: Is there a lower RDSON version of LMG2100 power stage 0 Locked

    326 views
    2 replies
    Latest over 1 year ago
    by Kaiser Ali
  • Suggested Answer

    TPS25751: A command to forcefully stop charging 0 Locked

    290 views
    7 replies
    Latest over 1 year ago
    by Christodulos Tsongas
  • Answered

    TPS38: Output behaves unexpected 0 Locked

    272 views
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    by Alexander Wachter
  • Suggested Answer

    LM5156HEVM-FLY: What is the Overload current of Evolution board 0 Locked

    661 views
    18 replies
    Latest over 1 year ago
    by Niklas Schwarz
  • Answered

    TPS63900: Measuring input current: huge transients 0 Locked

    250 views
    2 replies
    Latest over 1 year ago
    by Daniel Schultz
  • Not Answered

    LM74700-Q1: Short Circuit on Gate PIN 0 Locked

    257 views
    3 replies
    Latest over 1 year ago
    by Shiven Dhir
  • Suggested Answer

    TPS23525: OV/UV protection 0 Locked

    436 views
    11 replies
    Latest over 1 year ago
    by Kunal Goel
  • Answered

    TPS2663: dVdT capacitance maximum value and voltage rating requirement 0 Locked

    216 views
    1 reply
    Latest over 1 year ago
    by Kunal Goel
  • Suggested Answer

    TPS61322: TPS613222ADBVR Overheating 0 Locked

    330 views
    6 replies
    Latest over 1 year ago
    by Nini Zhong
  • Suggested Answer

    LM5122: SPICE Model 0 Locked

    203 views
    1 reply
    Latest over 1 year ago
    by Moritz
  • Not Answered

    BQ76925EVM: Issue with MSP430F2122 Microcontroller and I2C interface in BQ76925EVM Evaluation Module 0 Locked

    279 views
    3 replies
    Latest over 1 year ago
    by Yuhao Zhao
  • Not Answered

    LM66100: Battery pack insertion/removal in unpowered device 0 Locked

    319 views
    3 replies
    Latest over 1 year ago
    by Nicholas Zambetti
  • Not Answered

    LM5158: boost a power from 24 v to 60v 0 Locked

    689 views
    18 replies
    Latest over 1 year ago
    by Moritz
  • Suggested Answer

    LM5168-Q1: Temporary applied voltage on output 0 Locked

    191 views
    1 reply
    Latest over 1 year ago
    by Nityanand Hegde
  • Suggested Answer

    UCC28750: Disabling OPP Feature 0 Locked

    234 views
    2 replies
    Latest over 1 year ago
    by Himanshu bhortakke
  • Suggested Answer

    BQ25629: bq25629 hasn't any Linux driver on git hub 0 Locked

    195 views
    1 reply
    Latest over 1 year ago
    by Ning T
  • Suggested Answer

    BQ25622: What's the absolute maximum current for the HS/LSFET ? 0 Locked

    157 views
    1 reply
    Latest over 1 year ago
    by Ning T
  • Suggested Answer

    TPS23523: Design review 0 Locked

    344 views
    2 replies
    Latest over 1 year ago
    by Rakesh
  • Not Answered

    TPS4811-Q1: Not Getting PU & PD Signal 0 Locked

    220 views
    2 replies
    Latest over 1 year ago
    by Rakesh
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