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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

    TPS65023 power consumption on VBACKUP pin when product is OFF 0 Locked

    558 views
    5 replies
    Latest over 14 years ago
    by Daniel Acevedo
  • Not Answered

    EV2200 and RS-232 on bq26100EVM 0 Locked

    421 views
    1 reply
    Latest over 14 years ago
    by dave51497
  • Answered

    TPS65023 multilayer inductor reference check for VDCDC 1 - 2 - 3 0 Locked

    272 views
    1 reply
    Latest over 14 years ago
    by Daniel Acevedo
  • Answered

    TPS65023 junction temperature 0 Locked

    248 views
    1 reply
    Latest over 14 years ago
    by Matthew Day
  • Answered

    Reading measurements from the UCD9240 using PMBus commands 0 Locked

    2299 views
    8 replies
    Latest over 14 years ago
    by Guenter Roeck
  • Answered

    TPS65130 TINA TI Model 0 Locked

    436 views
    1 reply
    Latest over 14 years ago
    by Brigitte
  • Not Answered

    How to change bq27541 to sleep mode 0 Locked

    239 views
    0 replies
    Started over 14 years ago
    by Alan Huang65480
  • Not Answered

    TPS74901 Worst Case Characteristics 0 Locked

    250 views
    1 reply
    Latest over 14 years ago
    by Bill Stokes
  • Not Answered

    Chemistry selection in bq27541 BQEAsy for Panasonic NCR18650 0 Locked

    750 views
    1 reply
    Latest over 14 years ago
    by Chase7071949597
  • Not Answered

    TPS2480 θjc & Power Dissipation 0 Locked

    285 views
    1 reply
    Latest over 14 years ago
    by Eric Wright
  • Not Answered

    BQwizard 0 Locked

    393 views
    2 replies
    Latest over 14 years ago
    by Barry Wilkinson
  • Answered

    TPS71818 TPS2114 lead finish 0 Locked

    288 views
    1 reply
    Latest over 14 years ago
    by Jack Bourke
  • Answered

    TPS62650 EVM, TPS62651 EVM 0 Locked

    509 views
    1 reply
    Latest over 14 years ago
    by Matthew Day
  • Not Answered

    TPS79133 issue when disabled 0 Locked

    326 views
    6 replies
    Latest over 14 years ago
    by MikeW9894
  • Answered

    TPS65023 DEFDCDC1/2/3 pin higl level voltage 0 Locked

    343 views
    2 replies
    Latest over 14 years ago
    by Daniel Acevedo
  • Answered

    TPS65023 PCB ground layout 0 Locked

    396 views
    1 reply
    Latest over 14 years ago
    by Daniel Acevedo
  • Answered

    TPS65023 power down question 0 Locked

    231 views
    1 reply
    Latest over 14 years ago
    by Daniel Acevedo
  • Answered

    TPS61165 EVM Gerber Files 0 Locked

    433 views
    2 replies
    Latest over 14 years ago
    by Jeff F
  • Not Answered

    TPS3808 - Can SENSE be powered without Vdd? 0 Locked

    446 views
    4 replies
    Latest over 14 years ago
    by Bill Stokes
  • Answered

    Initial charge on batteries for bq27541 = ? 0 Locked

    289 views
    1 reply
    Latest over 14 years ago
    by dMax
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