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

    UCC28910: Transformer specification qeustion 0 Locked

    527 views
    3 replies
    Latest over 7 years ago
    by Kuan Wei Chen (Kevin Chen)
  • Answered

    LMZM23600: Distributed Sensor Network Stability 0 Locked

    632 views
    4 replies
    Latest over 7 years ago
    by lily Pustovyk
  • Answered

    TPS65910: OSC32KIN Pin Floating 0 Locked

    532 views
    1 reply
    Latest over 7 years ago
    by Kevin LaRosa
  • Suggested Answer

    TPS65911: TPS65911A for 66AK2G12 ordering information 0 Locked

    914 views
    4 replies
    Latest over 7 years ago
    by Karl Wallinger
  • Suggested Answer

    TPS62801: TPS62801 Power Save/PWM mode confirmation. 0 Locked

    929 views
    3 replies
    Latest over 7 years ago
    by Chris Glaser
  • Answered

    LM1117: MTTF 0 Locked

    510 views
    2 replies
    Latest over 7 years ago
    by Nicolas Leger
  • Answered

    UCC28C45: Lower start up current & operating current than UC2845 0 Locked

    644 views
    3 replies
    Latest over 7 years ago
    by John Griffin1
  • Answered

    WEBENCH® Tools/WEBENCH-POWER-DESIGNER: Schematic Generated by Webench dosen't show Junction. 0 Locked

    668 views
    7 replies
    Latest over 7 years ago
    by Vishal Kakade
  • Answered

    LM2675: MTTF 0 Locked

    343 views
    1 reply
    Latest over 7 years ago
    by JohnTucker
  • Answered

    TPS53626: TPS53626 pin16 VIN series resistance use 0ohm or 10K ohm 0 Locked

    528 views
    5 replies
    Latest over 7 years ago
    by Nancy Zhang
  • Suggested Answer

    LM2937: Ok to have +12V here? 0 Locked

    2704 views
    2 replies
    Latest over 7 years ago
    by Per Fager
  • Suggested Answer

    UCC28063: Apply 10KΩ to PHB 0 Locked

    439 views
    2 replies
    Latest over 7 years ago
    by John Griffin1
  • Answered

    BQ25504EVM-674: Changing UV, OV,OK of BQ25504EVM 0 Locked

    627 views
    4 replies
    Latest over 7 years ago
    by Aparna Dutta
  • Answered

    UCC28070: Input current spikes at heavy loads 0 Locked

    1221 views
    6 replies
    Latest over 7 years ago
    by John Griffin1
  • Answered

    TPS24742: TPS24742 - does not work 0 Locked

    582 views
    3 replies
    Latest over 7 years ago
    by Nik Rivers
  • Answered

    LM5041A: DC-DC converter 0 Locked

    640 views
    6 replies
    Latest over 7 years ago
    by liu shilin
  • Answered

    UCC28950: How is the thermal dissipation made? 0 Locked

    464 views
    1 reply
    Latest over 7 years ago
    by Colin Gillmor
  • Not Answered

    Soft Start Best ic for Battery Power supply 3.3VDC 0 Locked

    252 views
    0 replies
    Started over 7 years ago
    by Dixant Prajapati
  • Answered

    TINA/Spice/UC3846: Simulation in LTSPICE is not operating as expected 0 Locked

    4974 views
    8 replies
    Latest over 7 years ago
    by Peter Meaney
  • Answered

    UCC28070: How to sync with correct PWM pulse 0 Locked

    778 views
    8 replies
    Latest over 7 years ago
    by John Griffin1
<>