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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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  • Answered

    TPS2596: Floating thermal pad 0 Locked

    296 views
    1 reply
    Latest over 5 years ago
    by Praveen GD
  • Answered

    TPS51631A: The SVID-PMIC for D1559 processor , we are using TI recommended parts TPS51631 for 1.8V rail and TPS53625 for 1.05V and 1.2V rails. 0 Locked

    521 views
    2 replies
    Latest over 5 years ago
    by Arjun K
  • Suggested Answer

    LM22680: Overload status 0 Locked

    271 views
    1 reply
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    by Andy Chen
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    BQ78Z100: transaciton time of BQ78Z100 0 Locked

    322 views
    8 replies
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    by user4754456
  • Answered

    LM5066IEVM-626: PI commander make errors when selecting LM5066 or LM5066I 0 Locked

    703 views
    9 replies
    Latest over 5 years ago
    by samet mat
  • Suggested Answer

    UCC28220: Minimum switching frequency 0 Locked

    581 views
    2 replies
    Latest over 5 years ago
    by Yunsheng Qu
  • Suggested Answer

    TPS54308: 2 Supplies on one VIN, noise/ripple induced 0 Locked

    681 views
    5 replies
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    by Shawn Nie
  • Answered

    BQ24232: Then output voltage will change when load change 0 Locked

    432 views
    2 replies
    Latest over 5 years ago
    by Penn Zhang
  • Suggested Answer

    TPS51395P thermal data 0 Locked

    1043 views
    3 replies
    Latest over 5 years ago
    by Yuchang Zhang
  • Answered

    TPS2662: IEC 62368-1 Certificate 0 Locked

    265 views
    1 reply
    Latest over 5 years ago
    by Lokesh Ghulyani
  • Suggested Answer

    LM3552SDEV: Obsolete alternate request 0 Locked

    698 views
    9 replies
    Latest over 5 years ago
    by Sean Zhou
  • Suggested Answer

    TPS54561: use bias voltage on boot pin 0 Locked

    231 views
    5 replies
    Latest over 5 years ago
    by Marshall_Beck
  • Suggested Answer

    BQ40Z50: bqProduction SBB 0 Locked

    488 views
    5 replies
    Latest over 5 years ago
    by Kang Kang
  • Suggested Answer

    TPS40200: tps40200 0 Locked

    403 views
    5 replies
    Latest over 5 years ago
    by Marshall_Beck
  • Suggested Answer

    LMR16006: LMR16006 voltage output is too low 0 Locked

    522 views
    4 replies
    Latest over 5 years ago
    by Marshall_Beck
  • Suggested Answer

    TPS62175: Boundary between CCM and DCM 0 Locked

    1210 views
    1 reply
    Latest over 5 years ago
    by JohnTucker
  • Suggested Answer

    BQ40Z80: BQ40Z80: Pin configuration Issues (Pin 15) 0 Locked

    362 views
    5 replies
    Latest over 5 years ago
    by Kang Kang
  • Suggested Answer

    TPS61280A: Leakage Issue 0 Locked

    547 views
    5 replies
    Latest over 5 years ago
    by Jasper Li
  • Suggested Answer

    BQ27742-G1: Protector Status Register 0 Locked

    256 views
    2 replies
    Latest over 5 years ago
    by Kang Kang
  • Suggested Answer

    TPS650830: TPS650930 PCH_PWRBTN# behavior 0 Locked

    523 views
    4 replies
    Latest over 5 years ago
    by JimmyChang73
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