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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

    BQ24105 fail to charge battery pack when inline regulator is used 0 Locked

    453 views
    2 replies
    Latest over 15 years ago
    by Wang5577
  • Answered

    TPS61087 - Loop Response at no load is very low 0 Locked

    358 views
    1 reply
    Latest over 15 years ago
    by Brigitte
  • Answered

    TPS65073 with OMAP3530 clarifications requested 0 Locked

    733 views
    5 replies
    Latest over 15 years ago
    by Bjorn Wesen
  • Suggested Answer

    TPS65950 with large inductors 0 Locked

    408 views
    2 replies
    Latest over 15 years ago
    by Gandhar Dighe
  • Not Answered

    Somke from DIMM board of BQ78PL114 EVM 0 Locked

    440 views
    7 replies
    Latest over 15 years ago
    by John M
  • Answered

    BQ24450 wrong float voltage 0 Locked

    2346 views
    5 replies
    Latest over 15 years ago
    by Chris Glaser
  • Not Answered

    accessing system data in bq20z65 0 Locked

    669 views
    4 replies
    Latest over 15 years ago
    by dMax
  • Not Answered

    Power Pump Cell balancing of two cells at a same time 0 Locked

    1044 views
    5 replies
    Latest over 15 years ago
    by Jim M15252
  • Answered

    Aged battery detection using bq27510-g1 0 Locked

    1889 views
    10 replies
    Latest over 15 years ago
    by dMax
  • Answered

    ACCESSING DATA FLASH Of BQ27541 0 Locked

    516 views
    3 replies
    Latest over 15 years ago
    by sam fall
  • Answered

    BQ27541 current measurement truly integrating? 0 Locked

    427 views
    3 replies
    Latest over 15 years ago
    by dMax
  • Not Answered

    INT- Does bq24750A must need a host(DSP/MCU) to control charge of Multi Li-Ion battery? 0 Locked

    346 views
    1 reply
    Latest over 15 years ago
    by Bin Chen36084
  • Answered

    TPS40210 0 Locked

    684 views
    1 reply
    Latest over 15 years ago
    by Peter James Miller
  • Not Answered

    TPS61097 Quescient Spike 0 Locked

    296 views
    2 replies
    Latest over 15 years ago
    by lderhn
  • Not Answered

    REG104-A Current limit 0 Locked

    578 views
    3 replies
    Latest over 15 years ago
    by Timothy Friend
  • Suggested Answer

    [TPS65921] THe input voltage range to 32.768 xtal input 0 Locked

    402 views
    1 reply
    Latest over 15 years ago
    by Gandhar Dighe
  • Suggested Answer

    ID Codes for 65930 or 20 0 Locked

    342 views
    4 replies
    Latest over 15 years ago
    by Gandhar Dighe
  • Not Answered

    bqWizard and bq78PL114S12: Idle TImer, Lifetime Delivered Amp Hours, Lifetime Maximum Power values not incrementing 0 Locked

    333 views
    2 replies
    Latest over 15 years ago
    by John M
  • Answered

    TPS62102 output ripple voltage 0 Locked

    879 views
    1 reply
    Latest over 15 years ago
    by Matthew Day
  • Answered

    Enabling / Disabling Watchdog function in TPS3823-33 0 Locked

    1243 views
    1 reply
    Latest over 15 years ago
    by Matthew Day
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