TI E2E support forums

  • Menu
  • User
  • Menu
  • Search through millions of questions and answers
  • User
E2E™ support forums
  • Forums
    • Amplifiers
    • 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
    • Analog
    • Automotive
    • DLP® technology
    • Embedded processing
    • Industrial
    • Power management
  • 0
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • More
  • Cancel
  • 简体中文


Search tips
Showing 133 results View by: Thread Post Sort by
  • Julian Straub
    Julian Straub
    • 17 days ago
    • Power management
    • Power management forum

    RE: BQ24640: mosfet driver PWM reaching only 2V

    Great thank you Ricardo!
  • Zzzz
    Zzzz
    • 2 months ago
    • Power management
    • Power management forum

    BQ24640: Questions about BQ24640 peripheral circuit

    TI Thinks Resolved
    Part Number: BQ24640 Hi team, My customer would like to use BQ24640,but they are worried about efficiency. They refer to the circuit on the EVM board As shown below, I want to know if there is any solution that can replace P-MOS. Customers worry...
  • Star Xu
    Star Xu
    • 1 month ago
    • Power management
    • Power management forum

    BQ24640: BQ24640 can not set charging current

    Part Number: BQ24640 Hi I use BQ24640 to charge a super capacitor bank. This is the circuit diagram of the BQ24640 part. VCC_BATTERY is 24V. After connecting the super capacitor, it can be charged. First CC and then CV, but the charging current...
  • Jason Dai
    Jason Dai
    • 3 months ago
    • Power management
    • Power management forum

    BQ24640: What is the possible reason that STAT pin blinks while CE pin is at high level?

    TI Thinks Resolved
    Part Number: BQ24640 Hello E2E, What is the possible reason that STAT pin blinks while CE pin is at high level? ~Jason
  • Brian Wang0928
    Brian Wang0928
    • 4 months ago
    • Power management
    • Power management forum

    BQ24640: 24V Backup power for Motor Drive application

    TI Thinks Resolved
    Part Number: BQ24640 Customer is looking for solution on backup power module in motor application. The backup power rail is 24V which is generated from AC/DC aux. power. When AC/DC power is failure in motor spin operation with certain events, the...
  • Yoshinobu Kagawa
    Yoshinobu Kagawa
    • 4 months ago
    • Power management
    • Power management forum

    BQ24640: support Li-Ion Battery ?

    TI Thinks Resolved
    Part Number: BQ24640 Does the bq24640 also support Li-Ion Battery? If the bq24640 also supports Li-Ion Battery, how to detect the Termination? Best regards, Kagawa
  • Star Xu
    Star Xu
    • 4 months ago
    • Power management
    • Power management forum

    BQ24640: BQ24640 Output voltage incorrect

    Part Number: BQ24640 Hi Use bq24640 to charge the super capacitor, set the voltage to 5.4v, charging current is 8A. The problem is the output voltage only reach about 1.7v after the CE pin is pulled high when power on, and it is no-load state at this...
  • Amelie Zheng
    Amelie Zheng
    • 6 months ago
    • Power management
    • Power management forum

    BQ24640: BQ24640 in TCU application

    TI Thinks Resolved
    Part Number: BQ24640 Hi Team, My customer now consider to use BQ24640 in their telematic control unit. The requirements for super capacitors are as follows, could you please help to check whether BQ24640 is suitable, thank you! 1) The super capacitor...
  • 6034867
    6034867
    • 6 months ago
    • Power management
    • Power management forum

    BQ24640: BQ24640:Problems with ultracapacitors charging below VFB voltage

    Part Number: BQ24640 When the voltage of the ultracapacitor is less than 2.1V, the output current is only 25mA. Is there any solution to make the capacitor charge according to the set current even when the voltage is less than 2.1V
  • Jared Ball
    Jared Ball
    • 7 months ago
    • Power management
    • Power management forum

    BQ24640: Charger Turns off after charging to setpoint.

    Part Number: BQ24640 Trying to determine why the charger will not hold the charge at the set point This is a brand new design. When powered on, the charger would charge to the setpoint of 23.4V and shut off. The load would slowly dissipate under a light...
>

Didn't find what you are looking for? Post a new question.

  • Ask a new question
TI E2E™ support forums
  • Forum list
  • Site support
  • Settings
Other support forums
  • E2E China
  • beagleboard.org
Educational resources
  • TI training
  • TI university program
Other resources
  • WEBENCH® Power Designer
  • Customer support center
  • TI technical articles

All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.

Content on this site may contain or be subject to specific guidelines or limitations on use. All postings and use of the content on this site are subject to the Terms of use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of use of this site. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.

Follow us Texas Instruments on Facebook Texas Instruments on Twitter Texas Instruments on LinkedIn
TI worldwide | Contact us | myTI login | Corporate citizenship

TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs and
embedded processors, along with software, tools and the industry’s largest sales/support staff.

© Copyright 1995-2021 Texas Instruments Incorporated. All rights reserved.
Trademarks | Privacy policy | Terms of use