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] Where is the latest version of the TI Fusion GUI?

    Sam
    Sam
    Make sure to use the latest version of the TI Fusion Designer GUI ( Fusion Digital Power Designer ) . TI also provides an "Alert Me" feature to notify the registered users when a new GUI version is available to download. For more FAQ please check…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are the fault shutdown slave rails not off immediately? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The faulted rail is configurable to either shutdown immediate or soft off. This is set at the fault…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are the rails off immediately instead of following the sequencing settings (dependencies, TOFF delay) when toggling the CONTROL? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 There is a CONTROL signal turnoff configuration: Soft Off (with Sequencing) or Immediately Off.…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can the logical GPO (LGPO) output be used to turn on and off the power rail? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes, but it is not recommended to do so. A rail EN pin has many features that logic GPO pins do…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the turnon and turnoff sequence or re-sequence hang or take very long to complete? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 If the sequence hangs, check at which step the sequence is stuck, then find the cause. For example…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the time interval between two re-sequences longer than the value set in "time between re-sequences"? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The "time between re-sequences" only starts to count when all rails are below their POWER_GOOD_OFF…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why do rails not re-sequence after restart is exhausted? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Re-sequence cannot start until all re-sequencing rails are below the POWER_GOOD_OFF threshold. Make…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] When is the re-sequencing count reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The re-sequencing count is reset when all re-sequencing rails stay above the POWER_GOOD threshold…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] When is the retry count reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The retry count is reset whenever the rail stays above the POWER_GOOD threshold for a TON_MAX_FAULT_LIMIT…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] How can users re-sequence all rail after they are off due to fault response when the rails’ ON_OFF_CONFIG are set to AUTO mode? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 For rails that are off due to fault response and ON_OFF_CONFIG set to AUTO, the only way to power…
    • over 3 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Answered

    TPS7H4001-SP: Controlling EN with 3.3V LVCMOS push/pull driver 0 Locked

    203 views
    2 replies
    Latest over 1 year ago
    by John Lally
  • Suggested Answer

    TPS23755: Issues with Seamless Switchover Using TPS23755 and TPS2121 0 Locked

    405 views
    5 replies
    Latest over 1 year ago
    by Diang Xing
  • Answered

    TPS62868: TPS62868x - Enabling the regulator without ramp up to start-up output voltage 0 Locked

    241 views
    2 replies
    Latest over 1 year ago
    by Vinithkumar Thyagarajan
  • Suggested Answer

    UCC29002 0 Locked

    270 views
    1 reply
    Latest over 1 year ago
    by Jonathan Wong
  • Suggested Answer

    TPS7A4001-EP: Bypass capacitor selection 0 Locked

    208 views
    1 reply
    Latest over 1 year ago
    by Nick Butts
  • Suggested Answer

    LM25116: SWpin overvoltage protection 0 Locked

    260 views
    2 replies
    Latest over 1 year ago
    by Joshua Austria
  • Suggested Answer

    LMR51440: LM51440SDRRR 0 Locked

    250 views
    4 replies
    Latest over 1 year ago
    by Joshua Austria
  • Suggested Answer

    LM2678: Low output from LM2678 Fixed output converter. 800mA instead of 5A 0 Locked

    231 views
    2 replies
    Latest over 1 year ago
    by Joshua Austria
  • Suggested Answer

    LMR51430: LMR51430XDDCR 0 Locked

    263 views
    2 replies
    Latest over 1 year ago
    by Joshua Austria
  • Answered

    LM53635-Q1: marking of LM53635MQRNLTQ1 0 Locked

    230 views
    3 replies
    Latest over 1 year ago
    by Joshua Austria
  • Not Answered

    BQ40Z50-R2: Voltage Balancing ON condition 0 Locked

    228 views
    4 replies
    Latest over 1 year ago
    by Adrian
  • Answered

    BQ34Z100-R2: Using with Off the Shelf Battery 0 Locked

    188 views
    1 reply
    Latest over 1 year ago
    by Diego
  • Answered

    TPS543C20A: TPS543C20A DESIGN 0 Locked

    173 views
    1 reply
    Latest over 1 year ago
    by Britton Jones
  • Suggested Answer

    BQ40Z50-R2: Custom requirement 0 Locked

    233 views
    4 replies
    Latest over 1 year ago
    by Adrian
  • Suggested Answer

    BQ79616EVM-021: Questions about communication direction of BQAutoEval GUI. 0 Locked

    162 views
    1 reply
    Latest over 1 year ago
    by Benjamin Luty
  • Answered

    TPS3842: Problems related to the VSENSE calculation formula and pin connection. 0 Locked

    234 views
    2 replies
    Latest over 1 year ago
    by Marcoo Z
  • Answered

    BQ27Z746: bq27z746 I2C rise/fall time spec. definition. 0 Locked

    245 views
    4 replies
    Latest over 1 year ago
    by Jonny
  • Suggested Answer

    BQ34Z100-G1: BQ34Z100-G1 Chemical ID's list 0 Locked

    244 views
    2 replies
    Latest over 1 year ago
    by Adrian
  • Suggested Answer

    UCD9248: Updating to .NET 8 breaks our TIDP.SAA.SMBusAdapter API with can't load type System.Runtime.Remoting.Channels 0 Locked

    941 views
    10 replies
    Latest over 1 year ago
    by Anne Ngo77
  • Answered

    BQ24400: Typical application in Automotive 0 Locked

    326 views
    6 replies
    Latest over 1 year ago
    by Juan Ospina
<>