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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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  • Not Answered

    bq34z110 power disconnected during impedance track process 0 Locked

    331 views
    3 replies
    Latest over 10 years ago
    by ThomasCosby
  • Answered

    BQ51050b: keep charger in constant voltage mode 0 Locked

    666 views
    2 replies
    Latest over 10 years ago
    by Sammy Peiren
  • Discussion

    full bridge moseft driver Locked

    759 views
    4 replies
    Latest over 10 years ago
    by charkaoui abdelmouneim
  • Answered

    [UCC2720x]How to achieve the 100% duty in possible without external additional circuitry 0 Locked

    1938 views
    5 replies
    Latest over 10 years ago
    by Colin Gillmor
  • Answered

    TPS54561 - Swinging - compensation 0 Locked

    877 views
    7 replies
    Latest over 10 years ago
    by JohnTucker
  • Answered

    SWITCHING BETWEEN 2 INPUT SOURCES AND LM2596 0 Locked

    438 views
    3 replies
    Latest over 10 years ago
    by JohnTucker
  • Not Answered

    Led Driver of 4w 700mA for RGB LED 0 Locked

    350 views
    0 replies
    Started over 10 years ago
    by Amit Ghadigaonkar
  • Not Answered

    BQ25504 Battery Charging and Schematics 0 Locked

    509 views
    1 reply
    Latest over 10 years ago
    by Jing Zou
  • Discussion

    No temperature dependent thresholds for "CUV Threshold" and "FD/TDA Set Volt Threshold" Locked

    474 views
    2 replies
    Latest over 10 years ago
    by Patrick Rayero
  • Not Answered

    bq40z50 min capacity 0 Locked

    477 views
    5 replies
    Latest over 10 years ago
    by Borja Iurre
  • Answered

    TPS61230 inductor selection 0 Locked

    457 views
    2 replies
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    by arjun menon
  • Answered

    TPS92512 Designing Concept Help 0 Locked

    615 views
    2 replies
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    by Nikos Chatzis
  • Answered

    LOOKING FOR A DC DC LED DRIVER WHICH CAN DELIVER 7W output with 12V DC Supply 0 Locked

    683 views
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    Latest over 10 years ago
    by Victor Chen_HK
  • Not Answered

    Using UCD9081 EVM DLLs 0 Locked

    1030 views
    3 replies
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    bq24618 vs bq24616 0 Locked

    472 views
    1 reply
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    by Smriti B
  • Not Answered

    How long does initialization take for bq27421? 0 Locked

    439 views
    1 reply
    Latest over 10 years ago
    by Onyx Ahiakwo
  • Not Answered

    TPS3809-EP Reset Issue 0 Locked

    520 views
    1 reply
    Latest over 10 years ago
    by John Benner
  • Answered

    bq40z60 SMBus GND reference 0 Locked

    420 views
    1 reply
    Latest over 10 years ago
    by ThomasCosby
  • Not Answered

    Hi Current Charger, 10A or more (bq24610) 0 Locked

    827 views
    3 replies
    Latest over 10 years ago
    by Smriti B
  • Answered

    TPS767D30 - Sink capacity at reset pin 0 Locked

    846 views
    7 replies
    Latest over 10 years ago
    by David Hopkins
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