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

    TPS2066C: Looking for solution 0 Locked

    167 views
    1 reply
    Latest over 1 year ago
    by Alfie Cheng
  • Not Answered

    Design a charging circuit (input 5V, output 3.6V/1A) 0 Locked

    627 views
    8 replies
    Latest over 1 year ago
    by Tao Zhang
  • Suggested Answer

    BQ40Z80: golden learning 0 Locked

    260 views
    2 replies
    Latest over 1 year ago
    by tech16
  • Answered

    TPS3890: Have I made a mistake here by only bringing MR_N up to 1.8V? 0 Locked

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

    TPS3899-Q1: Negative-going input threshold for adjustable sense threshold version 0 Locked

    198 views
    1 reply
    Latest over 1 year ago
    by Joshua Garcia
  • Answered

    TPS62811-Q1: PG Pull up resistor 0 Locked

    201 views
    3 replies
    Latest over 1 year ago
    by Kurumi Hasegawa
  • Answered

    TPS23731: Can you please also forward me the presentation 0 Locked

    135 views
    1 reply
    Latest over 1 year ago
    by Diang Xing
  • Not Answered

    BQ76200: The delay time when the chg_en and dsg_en of BQ76200 are simultaneously turned on 0 Locked

    163 views
    1 reply
    Latest over 1 year ago
    by Luis H. S.
  • Not Answered

    BQ76930: Power Consumption of Internal LDO 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by Luis H. S.
  • Suggested Answer

    BQ25720: Express Charge Boost 0 Locked

    153 views
    1 reply
    Latest over 1 year ago
    by Tiger Zhou
  • Not Answered

    BQ76952: the CHG FET could not be disabled via FET_CONTROL() command when recover from OCC protection 0 Locked

    266 views
    2 replies
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    BQ76952EVM: questions about the EVM circuit 0 Locked

    125 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Not Answered

    BQ76942: Difficulty programming IC 0 Locked

    177 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Answered

    BQ76942: Questions about BQ76942's Sleep Mode 0 Locked

    234 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    BQ76952: How to program OTP for stacked BQ76952? 0 Locked

    408 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Not Answered

    BQ76942: Applical issue. 0 Locked

    262 views
    7 replies
    Latest over 1 year ago
    by Max Verboncoeur
  • Not Answered

    BQ76952: OT protection triggered repeatedly 0 Locked

    302 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    UCC5870-Q1: Power loss evaluation for LV side 0 Locked

    225 views
    1 reply
    Latest over 1 year ago
    by Daniel Norwood
  • Suggested Answer

    TPS54262-EP: Soft Start details / additional information 0 Locked

    207 views
    3 replies
    Latest over 1 year ago
    by Ridge Lahti
  • Answered

    TPS38700: What causes F_EN error? 0 Locked

    250 views
    8 replies
    Latest over 1 year ago
    by Allan Todd
<>