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
  • Answered

    How to use bq27510-G1 BAT_GD to control the bq24123 charger 0 Locked

    603 views
    1 reply
    Latest over 14 years ago
    by Charles Herder
  • Answered

    TPS65001 Power Pad 0 Locked

    367 views
    1 reply
    Latest over 14 years ago
    by Matthew Day
  • Not Answered

    bq78PL114 battery lockout 0 Locked

    323 views
    1 reply
    Latest over 14 years ago
    by Jim M15252
  • Suggested Answer

    Gag gauge ICs for two battery packs in series. 0 Locked

    720 views
    4 replies
    Latest over 14 years ago
    by Marco Bedani
  • Answered

    Using bq24650 as system supply 0 Locked

    458 views
    3 replies
    Latest over 14 years ago
    by David Petticord
  • Answered

    Battery Chemistry ID 0 Locked

    1109 views
    8 replies
    Latest over 14 years ago
    by Benn
  • Answered

    BQ26220EVM-01 0 Locked

    274 views
    2 replies
    Latest over 14 years ago
    by dMax
  • Not Answered

    TPS5450 Current-limit 0 Locked

    539 views
    3 replies
    Latest over 14 years ago
    by JohnTucker
  • Answered

    BQ32000 -external capacitors 0 Locked

    406 views
    1 reply
    Latest over 14 years ago
    by Wang5577
  • Answered

    BQ32000 RTC 0 Locked

    529 views
    1 reply
    Latest over 14 years ago
    by Wang5577
  • Answered

    bq24610EVKit Questions 0 Locked

    433 views
    5 replies
    Latest over 14 years ago
    by Wang5577
  • Answered

    TPS60100 0 Locked

    300 views
    1 reply
    Latest over 14 years ago
    by Chris Glaser
  • Answered

    TPS61221 0 Locked

    406 views
    1 reply
    Latest over 14 years ago
    by Chris Glaser
  • Answered

    Generate keypress interrupt through software 0 Locked

    233 views
    1 reply
    Latest over 14 years ago
    by Gandhar Dighe
  • Answered

    BQ27541 - Why does QEN stays cleared even after I issue IT enable command (x0021) ? 0 Locked

    494 views
    6 replies
    Latest over 14 years ago
    by CHAD55252
  • Not Answered

    pwm control of fan speed 0 Locked

    4680 views
    3 replies
    Latest over 14 years ago
    by Tony56447
  • Answered

    Problem using TLC5940EVM 0 Locked

    658 views
    4 replies
    Latest over 14 years ago
    by Brigitte
  • Answered

    TPS61200 - parallel two converters? 0 Locked

    482 views
    1 reply
    Latest over 14 years ago
    by Chris Glaser
  • Not Answered

    DISCREPANCY IN FET FAIL CURRENT LEVEL 0 Locked

    201 views
    1 reply
    Latest over 14 years ago
    by Jackie Hui
  • Answered

    How to write IT ENABLE 0 Locked

    257 views
    1 reply
    Latest over 14 years ago
    by Charles Herder
<>