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 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
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
<>

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

    BQ24640: RC snubber calculation 0 Locked

    293 views
    1 reply
    Latest over 4 years ago
    by Kedar Manishankar
  • Suggested Answer

    BQ76952: Why does the Vgs of the MOSFET have a spike voltage during OCD1 protection? 0 Locked

    829 views
    1 reply
    Latest over 4 years ago
    by WM5295
  • Suggested Answer

    TPS23861EVM-612: TPS23861EVM-612 0 Locked

    286 views
    1 reply
    Latest over 4 years ago
    by Darwin Fernandez
  • Suggested Answer

    BQ25619: environment files 0 Locked

    185 views
    1 reply
    Latest over 4 years ago
    by Ricardo
  • Answered

    TPS23881: Powering Alt A and Alt B of a Port 0 Locked

    346 views
    1 reply
    Latest over 4 years ago
    by Darwin Fernandez
  • Suggested Answer

    BQ76920: Boot and Reboot 0 Locked

    281 views
    1 reply
    Latest over 4 years ago
    by WM5295
  • Answered

    TPS23730: POE Class 3 24V flyback 0 Locked

    985 views
    1 reply
    Latest over 4 years ago
    by Michael Pahl
  • Answered

    LMQ62440-Q1: Will the spread spectrum turn off when do 27V to 5V conversion at 2.1MHz switching freqency? 0 Locked

    229 views
    1 reply
    Latest over 4 years ago
    by Jimmy Hua
  • Answered

    BQ77905: Protections of BQ7790512 0 Locked

    352 views
    1 reply
    Latest over 4 years ago
    by WM5295
  • Not Answered

    TPS720: Asking for the design recommendation to support Bary trail J1900? 0 Locked

    241 views
    1 reply
    Latest over 4 years ago
    by Stephen Ziel
  • Not Answered

    TPS727: Alternate part with same foot print but no minimum load current requirements 0 Locked

    287 views
    1 reply
    Latest over 4 years ago
    by Stephen Ziel
  • Answered

    BQ25120AEVM: Test setup diagram 0 Locked

    808 views
    2 replies
    Latest over 4 years ago
    by Ashwati Krishnan
  • Not Answered

    BQ35100: BQ35100 EOS mode can not read current 0 Locked

    212 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    BQ25120A: voltage on input when no source is connected 0 Locked

    152 views
    1 reply
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    BQ25606: TS thermistor sensing circuit questions 0 Locked

    266 views
    1 reply
    Latest over 4 years ago
    by Ning T
  • Suggested Answer

    BQ76952: Usage of sub-commands in BQ76952 0 Locked

    662 views
    1 reply
    Latest over 4 years ago
    by Matt Sunna
  • Answered

    does not work in CCM Mode 0 Locked

    354 views
    3 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Answered

    BQ76952: 0x14 and 0x15, Why there are two commands for reading of cell1 voltage? 0 Locked

    360 views
    1 reply
    Latest over 4 years ago
    by Matt Sunna
  • Not Answered

    BQ78350: BQ78350 - Encountered several situations 0 Locked

    328 views
    5 replies
    Latest over 4 years ago
    by Matt Sunna
  • Answered

    LM7480-Q1: Pspice for TI model issues 0 Locked

    1417 views
    6 replies
    Latest over 4 years ago
    by Praveen GD
<>