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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

    UCC21750: About desat function with bootstrap circuit 0 Locked

    310 views
    3 replies
    Latest over 1 year ago
    by Pratik Adibatla
  • Answered

    UCC5870-Q1: Can UCC5870-Q1 work in default mode without SPI? 0 Locked

    188 views
    1 reply
    Latest over 1 year ago
    by Akshat Murali
  • Answered

    LP8764-Q1: Scalable PMIC GUI 3.0 does not list any serial ports 0 Locked

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    7 replies
    Latest over 1 year ago
    by Stephen Wells
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    Flyback Controller recommendation 0 Locked

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    Latest over 1 year ago
    by Steven Mappus1
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    UCC14240-Q1: Application Note Equation and Calculation Tool match 0 Locked

    364 views
    3 replies
    Latest over 1 year ago
    by Steven Mappus1
  • Suggested Answer

    LM5041A: Can LM5041B be used as alternative 0 Locked

    287 views
    3 replies
    Latest over 1 year ago
    by Hong Huang
  • Suggested Answer

    TPS25750: Enable output through GPIO 0 Locked

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    9 replies
    Latest over 1 year ago
    by Raymond Lin
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    TPS25750: Do I need to care about PP5V capacitor if I'm designing sink-only solution? 0 Locked

    276 views
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    by Chuck Branch
  • Answered

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    281 views
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    Latest over 1 year ago
    by Daniel Hartung
  • Suggested Answer

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    501 views
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    UCC28C56EVM-066: UCC28C56EVM-066 0 Locked

    168 views
    1 reply
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    by Hong Huang
  • Answered

    UCC2813-0: About frequency 0 Locked

    171 views
    1 reply
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    by Hong Huang
  • Not Answered

    BQ79600EVM: Doubt in BQ79600_UART_Sample_code 0 Locked

    294 views
    3 replies
    Latest over 1 year ago
    by Abhaya Raj Mishra
  • Answered

    LM74720-Q1: termination of unused OV pin 0 Locked

    171 views
    1 reply
    Latest over 1 year ago
    by Praveen GD
  • Answered

    UCC28910: Wave soldering capability 0 Locked

    188 views
    1 reply
    Latest over 1 year ago
    by JCHK
  • Answered

    TPS62811-Q1: hysteresis in EN pin 0 Locked

    198 views
    3 replies
    Latest over 1 year ago
    by Shinji Tsuji
  • Answered

    LM5152-Q1: Is there any "charge pump disabled comdition" during "CP" pin is higher than 2V? 0 Locked

    411 views
    12 replies
    Latest over 1 year ago
    by Haroon Wardak
  • Not Answered

    TPS25854-Q1: Power down mode, shutdown, sleep mode, and standby, and active mode condition? 0 Locked

    211 views
    1 reply
    Latest over 1 year ago
    by Kuno Wu
  • Suggested Answer

    BQ79616-Q1: Facing EMI issues 0 Locked

    1214 views
    12 replies
    Latest over 1 year ago
    by santhosh gowda
  • Answered

    LM3478: Doubts on the selection of Mosfet based on Webench reference design 0 Locked

    312 views
    8 replies
    Latest over 1 year ago
    by Ishan Panchal
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