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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

    BQ76952: SUV gets set during OTP 0 Locked

    81 views
    1 reply
    Latest 6 months ago
    by Marco Degano
  • Suggested Answer

    TPS65930: spec check 0 Locked

    76 views
    1 reply
    Latest 6 months ago
    by Sarah Lao
  • Suggested Answer

    BQ34Z100: How can I scale the current using register +1 Locked

    181 views
    3 replies
    Latest 6 months ago
    by Diego
  • Not Answered

    TUSB546-DCI: Do I need this device, how to know which way to set FLIP 0 Locked

    215 views
    3 replies
    Latest 6 months ago
    by Ryan Kitto
  • Suggested Answer

    TPS62802: Output voltage expected 1.8V, measuring 2.44V 0 Locked

    102 views
    3 replies
    Latest 6 months ago
    by Varun John
  • Suggested Answer

    LM5148: buck with output current limit 0 Locked

    124 views
    1 reply
    Latest 6 months ago
    by David Baba
  • Answered

    BQ34Z100-G1: Current calibration via embedded processor 0 Locked

    219 views
    6 replies
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    BQ27Z561-R2: Assistance Required with Configuring BQ27Z561 for Sleep and Deep Sleep Modes 0 Locked

    153 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    BQ25820EVM: Internal ADC Measurement Error 0 Locked

    82 views
    1 reply
    Latest 6 months ago
    by Christian Moyer
  • Not Answered

    TPS562242: Bad step response in my design 0 Locked

    385 views
    17 replies
    Latest 6 months ago
    by Ivan Beck
  • Suggested Answer

    TPS7A92: The thermal rise evaluation parameter 0 Locked

    86 views
    1 reply
    Latest 6 months ago
    by Hannah Grace
  • Suggested Answer

    BQ76952: Protection architecture on stack up and high current BQ76952 0 Locked

    273 views
    4 replies
    Latest 6 months ago
    by Fairuz Ahmad Naufal
  • Suggested Answer

    TPS25751: Regarding the PPS of the TPS25751 0 Locked

    96 views
    1 reply
    Latest 6 months ago
    by Chris Sterzik
  • Answered

    TPS55340: Css upper limit 0 Locked

    121 views
    2 replies
    Latest 6 months ago
    by Tai Phan
  • Not Answered

    LM5156: Issues with Flyback Converter Design Using LM5156 0 Locked

    211 views
    3 replies
    Latest 6 months ago
    by Niklas Schwarz
  • Not Answered

    TPS61169: TPS61169DCKR - Control pin 0 Locked

    89 views
    1 reply
    Latest 6 months ago
    by Patrick Yao
  • Not Answered

    LP5036: Hysteretic current control IC - Alternative to MP2480 0 Locked

    173 views
    1 reply
    Latest 6 months ago
    by Felix Wang
  • Not Answered

    TPS61022: Output voltage not accurate when current increase 0 Locked

    146 views
    4 replies
    Latest 6 months ago
    by Lei Zhong
  • Suggested Answer

    LM5118: Webench design for 9V is not working when the PCB of same design is fabricated and populated 0 Locked

    275 views
    7 replies
    Latest 6 months ago
    by Stefan Schauer
  • Not Answered

    TPS6594-Q1: TPS6594133ARWERQ1 0 Locked

    71 views
    0 replies
    Started 6 months ago
    by Devin Chou
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