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
  • Suggested Answer

    UC2854A: UC2854ADW 0 Locked

    341 views
    2 replies
    Latest over 6 years ago
    by John Griffin1
  • Suggested Answer

    UCC28070A: Best arrangement for 3 phase (400Vac) power factor correction. 0 Locked

    4378 views
    4 replies
    Latest over 6 years ago
    by John Griffin1
  • Not Answered

    TPS60401: TPS60401 temperature characteristic 0 Locked

    270 views
    2 replies
    Latest over 6 years ago
    by Omar Hegazi
  • Suggested Answer

    TPS54325: Vout and Soft start 0 Locked

    309 views
    1 reply
    Latest over 6 years ago
    by Jason Wang (BSR-MV)
  • Answered

    LMR14030: LMR14030SDDAR 0 Locked

    289 views
    2 replies
    Latest over 6 years ago
    by Shankar Raj
  • Suggested Answer

    LP8863-Q1: LP8863-Q1 0 Locked

    221 views
    1 reply
    Latest over 6 years ago
    by Shirley He
  • Suggested Answer

    TPS562208: TPS562208/TPS563208 Min. Soft Start Time 0 Locked

    376 views
    3 replies
    Latest over 6 years ago
    by Anthony Lang
  • Suggested Answer

    UCC28180: Design calculator for type-2/3 current compensation 0 Locked

    480 views
    3 replies
    Latest over 6 years ago
    by John Griffin1
  • Answered

    LM5025A: Is it possible to use LM5025A in Boost-Flyback topology? 0 Locked

    275 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
  • Suggested Answer

    UCC28070: Whether UCC28070 must be used with the gate driver circuit,such as UCC273XX 0 Locked

    244 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
  • Answered

    UCC256304: UCC256304 0 Locked

    761 views
    24 replies
    Latest over 6 years ago
    by Konstantin Nikiforov
  • Answered

    LP8860-Q1: About End-of-Line Programming 0 Locked

    156 views
    2 replies
    Latest over 6 years ago
    by Koji Hayashi92
  • Answered

    UCC21520: differences bwtween UCC21520 and UCC21521 0 Locked

    727 views
    2 replies
    Latest over 6 years ago
    by K.Hamamoto
  • Answered

    LP5036: Bi-direction LED connection 0 Locked

    255 views
    1 reply
    Latest over 6 years ago
    by Kenneth Du
  • Answered

    TPS563249: TPS563249 Min. soft Start time 0 Locked

    321 views
    4 replies
    Latest over 6 years ago
    by Neal Zhang
  • Suggested Answer

    TPS54331: when a voltage is mistakenly added on the output, Does TPS54331 have risk? 0 Locked

    267 views
    1 reply
    Latest over 6 years ago
    by Shawn Nie
  • Suggested Answer

    TLV758P: TLV758P Load Transient 0 Locked

    693 views
    2 replies
    Latest over 6 years ago
    by Kami Huang60
  • Answered

    BQ25898C: charger current regulate 0 Locked

    383 views
    5 replies
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    TPS54331: what may be the cause of the abnormal operation of the TPS54331 circuit under the -40 degree cold environment test? 0 Locked

    536 views
    1 reply
    Latest over 6 years ago
    by Shawn Nie
  • Answered

    ISO5852S: Global shutdown in non-inverting mode 0 Locked

    214 views
    2 replies
    Latest over 6 years ago
    by Rajasekaran
<>