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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

    TPS54295: Switching output voltage 0 Locked

    436 views
    6 replies
    Latest over 5 years ago
    by Lishuang Zhao
  • Answered

    BQ24133EVM-715-15V: Charging configuration needed! 0 Locked

    517 views
    2 replies
    Latest over 5 years ago
    by Manish Poojary1
  • Answered

    TPS62290: Response Time of EN Pin 0 Locked

    471 views
    14 replies
    Latest over 5 years ago
    by Sadanori Kato
  • Answered

    TPS7B68-Q1: Using electrode cap as Input capacitor 0 Locked

    320 views
    4 replies
    Latest over 5 years ago
    by NOBUO FUJIHARA
  • Answered

    TPS1663: RTM HTSSOP 0 Locked

    376 views
    4 replies
    Latest over 5 years ago
    by Abhijeet Godbole
  • Suggested Answer

    TPS2662: Looking for Adjustable Current Limit that can be Changed 0 Locked

    514 views
    7 replies
    Latest over 5 years ago
    by Abhijeet Godbole
  • Answered

    TPS61178: negative current after soft-start 0 Locked

    333 views
    5 replies
    Latest over 5 years ago
    by Minqiu Xie
  • Answered

    TPS25921A: Reverse Current alternative options through topology/components 0 Locked

    529 views
    2 replies
    Latest over 5 years ago
    by Assad Bahari
  • Not Answered

    BQ76920: false SCD detection 0 Locked

    497 views
    2 replies
    Latest over 5 years ago
    by Davide Renzetti
  • Answered

    TPS62742: TPS62742: TPS62742 maximum output current 0 Locked

    341 views
    5 replies
    Latest over 5 years ago
    by Britta Ruelander
  • Answered

    BQ27220: RSOC anomaly issue 0 Locked

    428 views
    5 replies
    Latest over 5 years ago
    by Tommy Tzeng
  • Suggested Answer

    TPS65311-Q1: power up sequence 0 Locked

    719 views
    7 replies
    Latest over 5 years ago
    by Krishnamurthy Hegde
  • Answered

    TPS65311-Q1: configured to be shut-down as default configuration 0 Locked

    222 views
    3 replies
    Latest over 5 years ago
    by Krishnamurthy Hegde
  • Suggested Answer

    LM5017: LM5017 used as flybuck 0 Locked

    364 views
    1 reply
    Latest over 5 years ago
    by Andy Chen
  • Suggested Answer

    TPS560430: Do you support RoHS2? 0 Locked

    292 views
    3 replies
    Latest over 5 years ago
    by Andy Chen
  • Suggested Answer

    TPS54531: Output filtering 0 Locked

    375 views
    1 reply
    Latest over 5 years ago
    by Ryan Hu (BSR-MV)
  • Not Answered

    TPS61291: Booster operation 0 Locked

    364 views
    3 replies
    Latest over 5 years ago
    by Minqiu Xie
  • Answered

    BQ24773: BQ24773 is module going to shutdown beyond the 2W load ..? 0 Locked

    325 views
    4 replies
    Latest over 5 years ago
    by Rahul Surawase48
  • Suggested Answer

    LM3630A: PWM duty cycle limitation 0 Locked

    321 views
    3 replies
    Latest over 5 years ago
    by Sean Zhou
  • Suggested Answer

    LM3697: LM3697 in 3*12 application 0 Locked

    354 views
    1 reply
    Latest over 5 years ago
    by Sean Zhou
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