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 1 year 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

    LM27403: LM27403 top side temperature coefficient 0 Locked

    271 views
    3 replies
    Latest over 4 years ago
    by Peter James Miller
  • Not Answered

    TLV707: TLV70733/TLV74733 Overshoot Test. 0 Locked

    313 views
    3 replies
    Latest over 4 years ago
    by Nick Butts
  • Suggested Answer

    sealed lead acid charger IC 0 Locked

    245 views
    3 replies
    Latest over 4 years ago
    by Jeff F
  • Not Answered

    LM5022: Efficiency way off, much lower than expected based on webench design. 0 Locked

    241 views
    6 replies
    Latest over 4 years ago
    by Garrett Roecker
  • Suggested Answer

    LP5907: Pin to Pin of LP5907UVX-2.8/NOPB 0 Locked

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

    BQ4050: Input not connected => PRES/SHDN and DISP 0 Locked

    291 views
    2 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Not Answered

    BQ76PL455A-Q1: Cell 1 Voltage levels are incorrect. 0 Locked

    306 views
    3 replies
    Latest over 4 years ago
    by Leslie Marquez
  • Suggested Answer

    BQ76942EVM: Different version of IC on the EVM that doesn't support overvoltage calibration feature 0 Locked

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

    BQ27441EVM-G1A: Gauging VARTA EasyPack PLUS with BQ27441-G1A 0 Locked

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

    EV2400: Trouble downloading / running bqsbb.exe 0 Locked

    819 views
    2 replies
    Latest over 4 years ago
    by David Durgin
  • Answered

    TPS53659: APWM pwm signal sink and source current 0 Locked

    298 views
    3 replies
    Latest over 4 years ago
    by Chasel Chen
  • Suggested Answer

    LM27762: Output Positive Rail is fine while negative is not. 0 Locked

    1279 views
    2 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    BQ51050B: Tool to read QI charging communication 0 Locked

    528 views
    1 reply
    Latest over 4 years ago
    by Bill Johns
  • Suggested Answer

    TPS7H2201-SP: Low current limit levels with TPS7H2201 0 Locked

    339 views
    1 reply
    Latest over 4 years ago
    by Sarah Koch
  • Answered

    Looking for a 4-ch. buffer with high voltage, high current drive 0 Locked

    114 views
    1 reply
    Latest over 4 years ago
    by Mamadou Diallo
  • Suggested Answer

    LMG1205: PSPICE, TINA, ERROR 0 Locked

    395 views
    1 reply
    Latest over 4 years ago
    by Mamadou Diallo
  • Suggested Answer

    TPS2543: Current Limiting Function 0 Locked

    253 views
    3 replies
    Latest over 4 years ago
    by Emma Hoying
  • Answered

    LM317: Confirming details about power dissipation 0 Locked

    471 views
    1 reply
    Latest over 4 years ago
    by Kyle Van Renterghem
  • Suggested Answer

    UCC28704: SMPS design not working as expected 0 Locked

    1037 views
    2 replies
    Latest over 4 years ago
    by Mike O'
  • Suggested Answer

    Please suggest me which EVM I can choose to design a protection for Li-Ion battery pack as per my requirement 0 Locked

    208 views
    1 reply
    Latest over 4 years ago
    by Shawn Hinkle
<>