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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

    BQ4050: Shutdown 0 Locked

    196 views
    1 reply
    Latest over 1 year ago
    by Anthony
  • Not Answered

    BQ4050: MAX Error 0 Locked

    181 views
    1 reply
    Latest over 1 year ago
    by Anthony
  • Not Answered

    BQ40Z50-R2: BQ40Z50 老化学习 过程 Qmax 和FCC 只有容量一半 0 Locked

    419 views
    1 reply
    Latest over 1 year ago
    by Anthony
  • Not Answered

    BQ40Z50: LED1 / LED2 / LED3 / LED 4 0 Locked

    312 views
    3 replies
    Latest over 1 year ago
    by Anthony
  • Answered

    LMG3411R050: DC or RMS current defined 0 Locked

    187 views
    1 reply
    Latest over 1 year ago
    by John Gomez
  • Suggested Answer

    TPS50601A-SP: part selection for new design 0 Locked

    211 views
    1 reply
    Latest over 1 year ago
    by Andy Fondaw
  • Answered

    TPS7H4001-SP: Simulations for 3 in Parallel 0 Locked

    220 views
    4 replies
    Latest over 1 year ago
    by Sarah Koch
  • Suggested Answer

    BQ25896: Why did ti remove blog posts containing information? 0 Locked

    308 views
    3 replies
    Latest over 1 year ago
    by Wyatt Keller
  • Not Answered

    BQ25172: Question about charging profile and charging termination 0 Locked

    493 views
    9 replies
    Latest over 1 year ago
    by Bill Johns
  • Answered

    BQ76952: DCHG, DDSG pin status in SHUTDOWN mode 0 Locked

    303 views
    6 replies
    Latest over 1 year ago
    by Kyungjae Lee
  • Not Answered

    TPSI3052-Q1: TPSI3052-Q1: EMC Issue advice 0 Locked

    262 views
    1 reply
    Latest over 1 year ago
    by Jack Hemmersmeier
  • Suggested Answer

    LMR14030-Q1: Is it possible to damage LMR14030 when input voltage is below than set voltage? 0 Locked

    181 views
    1 reply
    Latest over 1 year ago
    by Joshua Austria
  • Suggested Answer

    BQ34Z100: The BQ34z100 is getting hot while it's not turning on. 0 Locked

    404 views
    12 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    TPSM63610: Regarding power inductor in TPSM63610 webench designs 0 Locked

    218 views
    1 reply
    Latest over 1 year ago
    by Joshua Austria
  • Answered

    TPS7A87: TPS7A87 0 Locked

    354 views
    8 replies
    Latest over 1 year ago
    by Ishaan Shetye
  • Suggested Answer

    BQ40Z50-R2: Reporting low Full charge capacity 0 Locked

    902 views
    24 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    UCC27517A-Q1: Wrong FIT data? 0 Locked

    168 views
    1 reply
    Latest over 1 year ago
    by Rubas Khalid
  • Not Answered

    BQ76952: Some question about DSG and DSG driver control logic 0 Locked

    153 views
    1 reply
    Latest over 1 year ago
    by Alexis_H
  • Suggested Answer

    TPS6594-Q1: The INT pin is low while all the power supply is normal and the INT signal may lead to SOC burning abnormal 0 Locked

    487 views
    4 replies
    Latest over 1 year ago
    by Jude Stehling
  • Suggested Answer

    TPS65023-Q1: Do we have PMIC solution for FPGA XAZU1EG SBVA484? 0 Locked

    187 views
    2 replies
    Latest over 1 year ago
    by Sarah Lao
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