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

    BQ25750: Request for guidance for output capacitor (Csys) selection 0 Locked

    111 views
    3 replies
    Latest 6 months ago
    by Ethan Galloway
  • Answered

    BQ25756: Charging when voltage and current is below the programmed values 0 Locked

    197 views
    3 replies
    Latest 6 months ago
    by Ethan Galloway
  • Suggested Answer

    TPS1HC30-Q1: About Fault Table- overcurret item 0 Locked

    121 views
    3 replies
    Latest 6 months ago
    by Patrick Shalton
  • Suggested Answer

    TPS23730: POE++terminal Recommendation 0 Locked

    266 views
    5 replies
    Latest 6 months ago
    by Diang Xing
  • Answered

    BQ79656-Q1: CS ADC and MAIN ADC current sense 0 Locked

    272 views
    7 replies
    Latest 6 months ago
    by Zachary Balov
  • Answered

    BQ34210IQ1EVM-826: Hardware connections 0 Locked

    248 views
    8 replies
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    BQ35100: Schematic review and explanation of sense resistor to ground connection 0 Locked

    271 views
    8 replies
    Latest 6 months ago
    by Alan Frias
  • Answered

    TPS23730: About POE PD application Question TPS23730 0 Locked

    331 views
    4 replies
    Latest 6 months ago
    by Diang Xing
  • Suggested Answer

    UCD9090A: Verilog / VHDL Simulations Available for I2C devices? 0 Locked

    104 views
    2 replies
    Latest 6 months ago
    by Randy Openshaw
  • Suggested Answer

    BQ40Z50: Compatibility of BQ40Z50-R1 Golden Image with BQ40Z50-R2 0 Locked

    118 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    UCC28950: Output voltage regulation in Voltage control mode 0 Locked

    248 views
    7 replies
    Latest 6 months ago
    by Mike O'
  • Suggested Answer

    BQ25798: Having issues with the overall design of a system with 4 solar panels and two battery strings. 0 Locked

    260 views
    2 replies
    Latest 6 months ago
    by Kipton Moravec
  • Not Answered

    UCC28750: Going to some kind of protection while turning on at full load at 230VAC input. 0 Locked

    116 views
    1 reply
    Latest 6 months ago
    by Mike O'
  • Suggested Answer

    TL431: TL431: IMDS request (From SIIX comapny) 0 Locked

    150 views
    1 reply
    Latest 6 months ago
    by Lorena Dudman
  • Suggested Answer

    UCC3946: UCC3946 0 Locked

    68 views
    1 reply
    Latest 6 months ago
    by Lorena Dudman
  • Suggested Answer

    BQ27427EVM: BQ27427 and BQ25600 schematic 0 Locked

    177 views
    3 replies
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    LMR60420: Availability 0 Locked

    95 views
    1 reply
    Latest 6 months ago
    by Frank De Stasi
  • Answered

    TPS1H100-Q1: Is there internal pulldown resistor for pin3 ( Input control for channel activation)? 0 Locked

    159 views
    4 replies
    Latest 6 months ago
    by Q L
  • Suggested Answer

    BQ27742-G1: ISD issue 0 Locked

    650 views
    9 replies
    Latest 6 months ago
    by Alan Frias
  • Not Answered

    BQ40Z50: 2S Battery Pack Design Schematic Review. 0 Locked

    187 views
    1 reply
    Latest 6 months ago
    by Alan Frias
<>