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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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  • Not Answered

    TPS23755: POW Reference Design Check 0

    15 views
    1 reply
    Latest 23 hours ago
    by Zhining Zhang
  • Answered

    CSD19536KTT: the part placement separation distance 0

    43 views
    4 replies
    Latest 23 hours ago
    by John Wallace1
  • Suggested Answer

    TPS65987DDK: USB-IF certification TEST.PD.PROT.ALL3.3 & 3.4 0

    36 views
    3 replies
    Latest 23 hours ago
    by Chris Sterzik
  • Not Answered

    LP2951: LP2951-50DR 0

    30 views
    1 reply
    Latest 1 day ago
    by Eduardo Linares
  • Suggested Answer

    UCC28710: Buck Converter Not Starting Up +1

    70 views
    2 replies
    Latest 1 day ago
    by Emma Anderson
  • Not Answered

    BQ76PL102: Thermal Characteristics 0

    5 views
    0 replies
    Started 1 day ago
    by Nicholas Haneline
  • Answered

    TPS2HCS08-Q1: About LPM 0

    24 views
    1 reply
    Latest 1 day ago
    by Patrick Shalton
  • Suggested Answer

    TPS389006-Q1: Full device reset 0

    59 views
    3 replies
    Latest 1 day ago
    by Sila Atalar
  • Suggested Answer

    BQ25630: SOme design questions for BQ25630.. 0

    21 views
    1 reply
    Latest 1 day ago
    by Garrett Kreger
  • Suggested Answer

    BQ24172EVM-706-5V: glitch at start-up 0

    17 views
    1 reply
    Latest 1 day ago
    by Jeff F
  • Suggested Answer

    BQ41Z90: In the BQ41z90, the DSG FET not turning off completely when press pin is turned off 0

    61 views
    8 replies
    Latest 1 day ago
    by Diego
  • Not Answered

    TPS25981: PG Pulldown Spec 0

    24 views
    1 reply
    Latest 1 day ago
    by Sailendra Kumar
  • Not Answered

    TPS23861: The design issue for TPS23861 0

    48 views
    3 replies
    Latest 1 day ago
    by Anagha Jagannath
  • Suggested Answer

    BQ34Z100EVM: BQ34Z100EVM 0

    94 views
    11 replies
    Latest 1 day ago
    by Diego
  • Suggested Answer

    BQ34Z100-G1: BQ34Z100 SoC jump 0

    100 views
    8 replies
    Latest 1 day ago
    by Diego
  • Suggested Answer

    TPSI31XXQ1EVM: VDDH 0

    22 views
    1 reply
    Latest 1 day ago
    by Tilden Chen
  • Not Answered

    TPS7B4255: Output below 2V 0

    21 views
    0 replies
    Started 1 day ago
    by Bryan McLaughlin
  • Not Answered

    TPS6594-Q1: Sporadic error message during power up (with TDA4AP) 0

    69 views
    3 replies
    Latest 1 day ago
    by Michael Gambrill
  • Not Answered

    BQ40Z50: 1S application 0

    20 views
    1 reply
    Latest 1 day ago
    by Alan Frias
  • Not Answered

    BQ78350: BQ78350: Programming for Production Purpose 0

    14 views
    1 reply
    Latest 1 day ago
    by Alan Frias
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