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] Why does GUI show 0 V while the real measuring result is 2.1 V? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Each monitor rail has its Vout Exponent, which limits the maximum voltage the device shall return…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Can less than three GPIs be used for PIN SELECTED RAIL STATE (PSRS)? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes, PSRS supports up to three GPIs. When the number of GPIs used for PSRS is less that the configured…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the fast GPIs and how to enable them? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx family has eight interruptible GPIs (GPIO1 through 4, 12, 16, 17, and 18) that can…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the GUI not show the correct name of the rails, GPIs, or GPOs when the board is connected to a new computer? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The names of rails, GPIs, and logic GPOs are stored in the local PC instead of the respective devices…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] What happens when the fault log is full? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A There are three configurable behaviors when the fault log is full: 1. Stop logging new faults…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is a fault logged even if the fault is ignored by a glitch filter? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 A glitch filter only applies to a fault response. The fault itself is still logged. For more…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag not cleared? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The Invalid Logs flag is cleared only on the next boot up if the device does not see any corrupted…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A An invalid log bit is set when the device detects corrupted log in the flash. The log is stored…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is POWER_GOOD flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 It means that at least one monitored rail does not reach its POWER_GOOD_ON threshold. Check the…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are the settings not saved after device reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 You must click Write to Hardware first followed by Store RAM to Flash to store all settings into…
    • over 4 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    CB Certification for TPS2062D and/or TPS2068 0 Locked

    535 views
    1 reply
    Latest over 11 years ago
    by Darwin Fernandez
  • Not Answered

    LM2576 - noise reduction for clear work with 35Mhz/2,4GHz Rx 0 Locked

    11681 views
    3 replies
    Latest over 11 years ago
    by Marc Davis-Marsh
  • Answered

    TPS62130A overshoot of output voltage at powerup 0 Locked

    1077 views
    20 replies
    Latest over 11 years ago
    by K.Hamamoto
  • Answered

    BQ500212A LED ports 0 Locked

    413 views
    1 reply
    Latest over 11 years ago
    by Michael Brantley
  • Not Answered

    I2C/SMBus commands for bq40z50 0 Locked

    4926 views
    1 reply
    Latest over 11 years ago
    by Dirk Lohse
  • Not Answered

    May you pls help suggest >200w AC to DC TI part? 0 Locked

    115 views
    0 replies
    Started over 11 years ago
    by Chen Bogey8
  • Not Answered

    MAX Dimming Frequency applied to DIM on LM3404 0 Locked

    434 views
    1 reply
    Latest over 11 years ago
    by Oleksiy Pazyuk
  • Answered

    LP8556SQ i2c 0 Locked

    518 views
    2 replies
    Latest over 11 years ago
    by Terry Wu
  • Answered

    LP38511, LP38512, LP38851, LP38852 short circuit current 0 Locked

    674 views
    2 replies
    Latest over 11 years ago
    by Hidetoshi Matsunami
  • Not Answered

    Are the I2C signals SDA/SCL powered by the 1.8V LDO on the BQ27621? 0 Locked

    886 views
    1 reply
    Latest over 11 years ago
    by Jason Gin
  • Not Answered

    Status of LM25101 0 Locked

    270 views
    0 replies
    Started over 11 years ago
    by takao miyazaki
  • Not Answered

    TL431C voltage tolerance 0 Locked

    699 views
    3 replies
    Latest over 11 years ago
    by Ron Michallick
  • Answered

    LM3880 / Absolute maximum rating of EN pin 0 Locked

    455 views
    1 reply
    Latest over 11 years ago
    by Tim Reyes
  • Answered

    LM22672 getting stuck in a weird regulation cycle 0 Locked

    812 views
    10 replies
    Latest over 11 years ago
    by Frank De Stasi
  • Not Answered

    Battery Gauging - Basic proceeding - chem ID 0 Locked

    787 views
    5 replies
    Latest over 11 years ago
    by Kang Kang
  • Answered

    bq2022A / filtering capacitor on SDQ pin 0 Locked

    336 views
    1 reply
    Latest over 11 years ago
    by Ryan May
  • Not Answered

    How to set BQ33100 design capacitance? 0 Locked

    481 views
    4 replies
    Latest over 11 years ago
    by Onyx Ahiakwo
  • Answered

    BQ24032A 0 Locked

    557 views
    2 replies
    Latest over 11 years ago
    by Roberto Rodriguez
  • Not Answered

    LM2841x design shown negative phase margin at minimum voltage 0 Locked

    531 views
    9 replies
    Latest over 11 years ago
    by Kevin Ip
  • Answered

    LM2596 with soft start 0 Locked

    2513 views
    4 replies
    Latest over 11 years ago
    by Srdjan Colic
<>