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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

    How to get two separate power supplies from one source?(plus what is a back to back diode?) 0 Locked

    2565 views
    1 reply
    Latest over 9 years ago
    by Donald Jones
  • Not Answered

    Need a user guide for bq25898 - we are getting datasheet not helpful 0 Locked

    412 views
    1 reply
    Latest over 9 years ago
    by Ning T
  • Not Answered

    TPS53626 transient fail 0 Locked

    762 views
    1 reply
    Latest over 9 years ago
    by JohnTucker
  • Answered

    High Cell bqProduction 0 Locked

    1015 views
    2 replies
    Latest over 9 years ago
    by user4720791
  • Answered

    TPS65145RGF(TPS65145) - abnormal condition(Vout short) 0 Locked

    937 views
    2 replies
    Latest over 9 years ago
    by Hirotaka Matsumoto
  • Not Answered

    TPS54386PWPR Inductors getting hot 0 Locked

    1019 views
    3 replies
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    by JohnTucker
  • Not Answered

    May we know how to get PMP7970? 0 Locked

    750 views
    1 reply
    Latest over 9 years ago
    by JohnTucker
  • Not Answered

    Can TI guarantee TPS63010YFFR to work at 100 Deg C ambient temp? 0 Locked

    725 views
    3 replies
    Latest over 9 years ago
    by Michael Helmlinger
  • Not Answered

    BQ24105 charge complete question 0 Locked

    598 views
    0 replies
    Started over 9 years ago
    by Kai Hsiao
  • Not Answered

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    1176 views
    8 replies
    Latest over 9 years ago
    by Likhitha Eugene James P
  • Discussion

    BQ34Z100-G1 write/checksum problem Locked

    2250 views
    7 replies
    Latest over 9 years ago
    by Sebastian M
  • Not Answered

    LM3290-91-1EVM problem 0 Locked

    463 views
    0 replies
    Started over 9 years ago
    by Chien Wu
  • Answered

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    724 views
    3 replies
    Latest over 9 years ago
    by Venkata Nandam
  • Not Answered

    BQ78PL116-Chemistry ID for battery 0 Locked

    1202 views
    4 replies
    Latest over 9 years ago
    by Slim123
  • Not Answered

    TPS61163A dimming control and OVP issue 0 Locked

    355 views
    0 replies
    Started over 9 years ago
    by jaehwan Kim
  • Not Answered

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    481 views
    0 replies
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    by Ryuji
  • Answered

    Analogue Fan control using TPS61085 0 Locked

    1098 views
    5 replies
    Latest over 9 years ago
    by Helen chen
  • Not Answered

    Need design files & transformer winding details for PMP5687 0 Locked

    1086 views
    9 replies
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    by Roberto S.
  • Answered

    Regs to read Battery information in BQ34Z100-g 0 Locked

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    Latest over 9 years ago
    by Mohamed Sarjoondeen K M
  • Not Answered

    BQ40Z60EVM - Get continuous power supply 0 Locked

    856 views
    2 replies
    Latest over 9 years ago
    by ThomasCosby
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