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

    3 phase High voltage ac to low power 5V dc out 0 Locked

    479 views
    8 replies
    Latest over 4 years ago
    by Ulrich Goerke
  • Suggested Answer

    BQ78350-R1: Fault protection delay offset 0 Locked

    173 views
    1 reply
    Latest over 4 years ago
    by Matt Sunna
  • Suggested Answer

    PTH12040W: we want to check whether the PTH12040WAH has passed the IEC 62368 certification 0 Locked

    282 views
    1 reply
    Latest over 4 years ago
    by Kris F
  • Not Answered

    TPS82130: Unpredicable startup issue affecting radio reception 0 Locked

    328 views
    6 replies
    Latest over 4 years ago
    by Jean Picard
  • Answered

    TPS548A28: Test problem 0 Locked

    473 views
    1 reply
    Latest over 4 years ago
    by David_Daniels
  • Suggested Answer

    Which TI IC is compatible with RT2518? 0 Locked

    188 views
    1 reply
    Latest over 4 years ago
    by Wilson Fwu
  • Suggested Answer

    TLV767: TLV76633 0 Locked

    498 views
    1 reply
    Latest over 4 years ago
    by Blake Soileau
  • Suggested Answer

    TPS735: Noise issue with LDO 0 Locked

    455 views
    1 reply
    Latest over 4 years ago
    by Stephen Ziel
  • Suggested Answer

    TPS745: Alternate part for TPS74501 with higher current rating 0 Locked

    367 views
    1 reply
    Latest over 4 years ago
    by Wilson Fwu
  • Not Answered

    LM27402: LM27402 how to disable or remove C+ and C1 if no used 0 Locked

    213 views
    1 reply
    Latest over 4 years ago
    by Amod Vaze
  • Not Answered

    LM5156-Q1: temperature dependence of gate drive and add offset voltage to CS pin 0 Locked

    240 views
    2 replies
    Latest over 4 years ago
    by Yinsong Cai1
  • Suggested Answer

    LM394(matching transistor) spice macro model 0 Locked

    778 views
    1 reply
    Latest over 4 years ago
    by Thomas Kuehl
  • Not Answered

    REF5025: HOW TO REDUCE REF5025 OUTPUT RIPPLE NOISE ? 0 Locked

    331 views
    1 reply
    Latest over 4 years ago
    by Marcoo Z
  • Not Answered

    BQ78350-R1: BQ78350-R1 FET Control 0 Locked

    254 views
    1 reply
    Latest over 4 years ago
    by Matt Sunna
  • Suggested Answer

    WEBENCH® Tools/UC3825A: uc3825A 0 Locked

    438 views
    2 replies
    Latest over 4 years ago
    by rich walters
  • Suggested Answer

    BQ76952: Data Type issue integer type 0 Locked

    286 views
    7 replies
    Latest over 4 years ago
    by Matt Sunna
  • Suggested Answer

    BQ77915EVM-014: BQ779XX CELL BALANCE TESTING 0 Locked

    405 views
    1 reply
    Latest over 4 years ago
    by Shawn Hinkle
  • Suggested Answer

    BQ78Z100: BQ78z100 Change Security Keys 0 Locked

    291 views
    1 reply
    Latest over 4 years ago
    by Kang Kang
  • Suggested Answer

    BQ34110: how to obtain the battery impedance? 0 Locked

    248 views
    1 reply
    Latest over 4 years ago
    by Kang Kang
  • Answered

    TPS65185: Schematic review 0 Locked

    702 views
    5 replies
    Latest over 4 years ago
    by Vincent LINTILHAC
<>