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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

    PTH05050W: Frequent failures observed at negative voltages during ESS 0 Locked

    255 views
    3 replies
    Latest over 4 years ago
    by Chris Glaser
  • Answered

    TPS62260: TPS62260 output getting short 0 Locked

    350 views
    1 reply
    Latest over 4 years ago
    by harshal dave
  • Suggested Answer

    TPS63810: Latch up information for TPS63810YFFR 0 Locked

    287 views
    4 replies
    Latest over 4 years ago
    by Jiayu Ye
  • Suggested Answer

    BQ76952: Inquiries about UL standard certification 0 Locked

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    Latest over 4 years ago
    by David Hien
  • Suggested Answer

    LM51551: Webench simulation issue 0 Locked

    214 views
    2 replies
    Latest over 4 years ago
    by Shaheen Makandar
  • Not Answered

    BQ4050: BQ4050 CVDE 0 Locked

    1061 views
    2 replies
    Latest over 4 years ago
    by switch
  • Not Answered

    BQ34110: MACData() read data order 0 Locked

    320 views
    2 replies
    Latest over 4 years ago
    by Gehad Elkot
  • Suggested Answer

    UCC28070A: UCC28070A 0 Locked

    380 views
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    Latest over 4 years ago
    by David Huang33
  • Suggested Answer

    TLC5944: VUP connection when LEDs aren't being multiplexed 0 Locked

    448 views
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    by Shawn Ding
  • Answered

    LMR16006: Power dissipation calculation 0 Locked

    228 views
    1 reply
    Latest over 4 years ago
    by Andy Chen
  • Not Answered

    TPSM82821: Pspice Simulation issue 0 Locked

    236 views
    1 reply
    Latest over 4 years ago
    by Stefano Panaro
  • Not Answered

    LM53625-Q1: LM536255 Design issue from customer 0 Locked

    217 views
    1 reply
    Latest over 4 years ago
    by Wendy Wang1
  • Answered

    LM3489: USB-C Application Feedback Network Question 0 Locked

    283 views
    2 replies
    Latest over 4 years ago
    by Daniels Kurgs
  • Suggested Answer

    UCC24636: SR timing delay 0 Locked

    393 views
    1 reply
    Latest over 4 years ago
    by Jaden Ning
  • Answered

    TPS2640: Is it possible to use in parallel 0 Locked

    291 views
    2 replies
    Latest over 4 years ago
    by Shinichi Inoue
  • Suggested Answer

    LM185QML: Maximum ratings data 0 Locked

    439 views
    3 replies
    Latest over 4 years ago
    by Marcoo Z
  • Suggested Answer

    UCC29002: UCC29002 Start-up logic part number variants 0 Locked

    344 views
    1 reply
    Latest over 4 years ago
    by Yunsheng Qu
  • Suggested Answer

    TPS562201: Load Regulation 0 Locked

    322 views
    1 reply
    Latest over 4 years ago
    by Jiandong Liu
  • Answered

    TPS563201: Output capacitance. 0 Locked

    277 views
    1 reply
    Latest over 4 years ago
    by Jiandong Liu
  • Suggested Answer

    TPS54302: SW node absolute max & dead time 0 Locked

    268 views
    1 reply
    Latest over 4 years ago
    by Young Zhao
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