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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

    LM74700-Q1: Simulation Model 0 Locked

    66 views
    1 reply
    Latest 1 month ago
    by Shiven Dhir
  • Suggested Answer

    TPS22811: Load Switch with Current Monitoring 0 Locked

    72 views
    1 reply
    Latest 1 month ago
    by Arush Gupta
  • Suggested Answer

    TPS25981: max current limit 0 Locked

    39 views
    1 reply
    Latest 1 month ago
    by Arush Gupta
  • Not Answered

    TPS61288: power limitation issue (2.5V to 11V step-up) 0 Locked

    185 views
    5 replies
    Latest 1 month ago
    by Nathan Ding
  • Answered

    BQ25611D: Power and path IC design confirmation 0 Locked

    183 views
    11 replies
    Latest 1 month ago
    by Gurditta Singh
  • Answered

    BQ25751: If we can use the battery charge enable function to finish the battery absent detection 0 Locked

    88 views
    5 replies
    Latest 1 month ago
    by Christian Moyer
  • Suggested Answer

    TPS61287: The schematic diagram reivew for TPS61287 0 Locked

    146 views
    11 replies
    Latest 1 month ago
    by Nathan Ding
  • Suggested Answer

    BQ76952: External Balancing Not Reducing Battery Voltage 0 Locked

    229 views
    8 replies
    Latest 1 month ago
    by Rohin Nair
  • Not Answered

    LM5022-Q1: Boost converter controller selection - regarding 0 Locked

    53 views
    3 replies
    Latest 1 month ago
    by Alicia Hao
  • Suggested Answer

    LM5171-Q1: Output LC filter design 0 Locked

    89 views
    3 replies
    Latest 1 month ago
    by Feng Ji
  • Answered

    UCC28060: test mode 0 Locked

    162 views
    7 replies
    Latest 1 month ago
    by user5800825
  • Answered

    TPSM63606: The TPSM63606 chipset gets very hot when not under load. 0 Locked

    154 views
    9 replies
    Latest 1 month ago
    by Rice,Lee
  • Not Answered

    TPS51116: TPS51116 0 Locked

    25 views
    1 reply
    Latest 1 month ago
    by James Steenbock
  • Suggested Answer

    TPS25751: BQ25792 registers configuration 0 Locked

    94 views
    3 replies
    Latest 1 month ago
    by Raymond Lin
  • Suggested Answer

    TPS25750: Inquiry About Generating TPS25750D .bin File for BQ25798 3-Cell Configuration 0 Locked

    112 views
    5 replies
    Latest 1 month ago
    by Aya Khedr
  • Answered

    TPS25751: How to disable Sink Output if USB-PD Power Requirements are not met 0 Locked

    128 views
    4 replies
    Latest 1 month ago
    by Justin Wheatley
  • Answered

    TPS23751: output abnormal 0 Locked

    66 views
    3 replies
    Latest 1 month ago
    by Diang Xing
  • Suggested Answer

    TPS2H160-Q1: Output Pullup 0 Locked

    147 views
    9 replies
    Latest 1 month ago
    by Nicholas Petersilge
  • Suggested Answer

    TPS25854-Q1: Question about Apple Carplay 0 Locked

    130 views
    3 replies
    Latest 1 month ago
    by Eric Hartigan
  • Answered

    LM5190: Unexplained component failures 0 Locked

    222 views
    12 replies
    Latest 1 month ago
    by EricLee
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