TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Power management

Power management

Power management forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    BQ20Z655 R1 - RSOC and Capacity Bug - Is there any resolution? 0 Locked

    200 views
    1 reply
    Latest over 1 year ago
    by Wyatt Keller
  • Not Answered

    TPS65994AD: schematic check 0 Locked

    268 views
    1 reply
    Latest over 1 year ago
    by Field Tolson
  • Answered

    TPS3430-Q1: Spec inquiries for sleep 0 Locked

    165 views
    1 reply
    Latest over 1 year ago
    by Joshua Garcia
  • Suggested Answer

    TPS54340: Simulation issues 0 Locked

    201 views
    1 reply
    Latest over 1 year ago
    by Ridge Lahti
  • Answered

    BQ27Z746: How to evaluate the RSOC accuracy of fuel gauge in theory 0 Locked

    420 views
    3 replies
    Latest over 1 year ago
    by Wyatt Keller
  • Answered

    TPS274160: External TVS selection and GND network requirements 0 Locked

    445 views
    5 replies
    Latest over 1 year ago
    by Elizabeth Higgins
  • Suggested Answer

    TL431LI-Q1: Application Question 0 Locked

    402 views
    5 replies
    Latest over 1 year ago
    by Joshua Garcia
  • Suggested Answer

    LM3754: Output capacitor calculus 0 Locked

    195 views
    3 replies
    Latest over 1 year ago
    by David_Daniels
  • Not Answered

    BQ27542EVM: SOC rises during relaxation. 0 Locked

    299 views
    9 replies
    Latest over 1 year ago
    by Jose Couso
  • Answered

    TPS1641: IEC62368 certification 0 Locked

    274 views
    3 replies
    Latest over 1 year ago
    by Kunal Goel
  • Not Answered

    BQ40Z80: Improper RSOC and ASOC value 0 Locked

    194 views
    3 replies
    Latest over 1 year ago
    by Jose Couso
  • Suggested Answer

    LM7480: revrse voltage 0 Locked

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

    TLVM13610: Use Case: Vin= 6V Vout=5V @8A possible? 0 Locked

    213 views
    1 reply
    Latest over 1 year ago
    by Jimmy Hua
  • Not Answered

    TPS92641: how to know the voltage of HG or LG , Vgs for external NMOS in TPS92641? 0 Locked

    348 views
    3 replies
    Latest over 1 year ago
    by Steven Li
  • Suggested Answer

    REF102: I want to use REF102 as a voltage source for the sensor. What is the maximum current output which is supported by REF102 as a power supply component 0 Locked

    353 views
    6 replies
    Latest over 1 year ago
    by Trailokya Rai
  • Suggested Answer

    TPS544C26: TPS544C26 Intermittent I2C READ/WRITE NACK issue under SVID mode 0 Locked

    611 views
    13 replies
    Latest over 1 year ago
    by Peter James Miller
  • Answered

    BQ27421EVM-G1A: GPOUT no interrupt 0 Locked

    313 views
    3 replies
    Latest over 1 year ago
    by Dominik Hartl11
  • Answered

    TPS65987D: Charging through Docking Station 0 Locked

    839 views
    19 replies
    Latest over 1 year ago
    by Christodulos Tsongas
  • Suggested Answer

    TPS23753A: Power dissipation 0 Locked

    411 views
    7 replies
    Latest over 1 year ago
    by Diang Xing
  • Answered

    BQ27531-G1: Design capacity value 0 Locked

    257 views
    4 replies
    Latest over 1 year ago
    by Anthony
<>