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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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View FAQ threads
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  • Answered

    TPSI3052-Q1: Active Pre-charge design 0 Locked

    821 views
    4 replies
    Latest over 1 year ago
    by Alan Liu15
  • Suggested Answer

    LMR36006: AGND connection 0 Locked

    180 views
    1 reply
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    TPS53681: Intel Meteor Lake-PS power inquire 0 Locked

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    by Yuchang Zhang
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    TPS61169: Regarding unstable switching 0 Locked

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    5 replies
    Latest over 1 year ago
    by Patrick Yao
  • Not Answered

    UCC28631: Fault during startup 0 Locked

    238 views
    1 reply
    Latest over 1 year ago
    by Harish Ramakrishnan5
  • Answered

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    1 reply
    Latest over 1 year ago
    by Sila Atalar
  • Answered

    TPS28225: Is there a duty limit on TPS28225 0 Locked

    279 views
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    Latest over 1 year ago
    by David Kim2
  • Suggested Answer

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    212 views
    1 reply
    Latest over 1 year ago
    by Elizabeth Higgins
  • Answered

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    271 views
    1 reply
    Latest over 1 year ago
    by Jing Zou
  • Answered

    BQ25622E: Headroom needed to charge at 3A? 0 Locked

    450 views
    3 replies
    Latest over 1 year ago
    by Garrett Kreger
  • Answered

    BQ76952: Regarding SHUT_TS2 0 Locked

    180 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    BQ76952: BQ76952 won't respond to any i2c communication 0 Locked

    1250 views
    6 replies
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    TPS92520-Q1: [LMH] LHM configuration go Wrong 0 Locked

    298 views
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    Latest over 1 year ago
    by fhoude
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    TPS92520-Q1: TPS92520 internal PWM dimming question 0 Locked

    228 views
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    by fhoude
  • Answered

    CSD19538Q2: High power dissipation at low currents while switched 0 Locked

    290 views
    3 replies
    Latest over 1 year ago
    by John Wallace1
  • Answered

    BQ25505: Vin detect accuracy 0 Locked

    196 views
    3 replies
    Latest over 1 year ago
    by Michael Emanuel35
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    TPS92519-Q1: Heat Dissipation PAD (Hatched or Not) 0 Locked

    175 views
    1 reply
    Latest over 1 year ago
    by fhoude
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    LM3481: MOSFET Heating 0 Locked

    970 views
    30 replies
    Latest over 1 year ago
    by Brigitte
  • Suggested Answer

    UC1825: Datasheet and App Note for UC1825BJ 0 Locked

    637 views
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    Latest over 1 year ago
    by Hong Huang
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