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

    TPS73201 Enable voltage limit. 0 Locked

    432 views
    1 reply
    Latest over 15 years ago
    by Bill Stokes
  • Suggested Answer

    TPS65950 PCHGAC and PCHGUSB function and RC compensation network 0 Locked

    373 views
    2 replies
    Latest over 15 years ago
    by Perry Robbins
  • Suggested Answer

    TPS65950: NiMH cells 0 Locked

    229 views
    1 reply
    Latest over 15 years ago
    by Gandhar Dighe
  • Suggested Answer

    TPS65950 Analog Microphone 0 Locked

    450 views
    3 replies
    Latest over 15 years ago
    by Gandhar Dighe
  • Answered

    TPS62050: I in > 100mA @ V in 7V and no load 0 Locked

    585 views
    10 replies
    Latest over 15 years ago
    by Max47377
  • Answered

    TPS43000 gate drive 0 Locked

    490 views
    1 reply
    Latest over 15 years ago
    by Peter James Miller
  • Answered

    bq78PL114S12: Can EFCI_C and EFCI_D pins be pulled up by LDO1? 0 Locked

    358 views
    2 replies
    Latest over 15 years ago
    by John M
  • Answered

    TPS61026 boot up problem 0 Locked

    2170 views
    7 replies
    Latest over 15 years ago
    by Jeff F
  • Suggested Answer

    TPS54260 efficiency 0 Locked

    255 views
    1 reply
    Latest over 15 years ago
    by JohnTucker
  • Not Answered

    BQSTROLLER Calculation tool v1.3 for BQ24630 design calculation. 0 Locked

    586 views
    1 reply
    Latest over 15 years ago
    by Bin Chen36084
  • Answered

    backup battery 0 Locked

    655 views
    3 replies
    Latest over 15 years ago
    by Chris Glaser
  • Answered

    TPS61026 start up; voltage droop 0 Locked

    495 views
    5 replies
    Latest over 15 years ago
    by Matthew Day
  • Suggested Answer

    TPS65920 regulators running not clock outputs 0 Locked

    312 views
    1 reply
    Latest over 15 years ago
    by Ryan Henderson
  • Answered

    What does FD and TDA stand for in a 20zXX fuel gauge? 0 Locked

    903 views
    1 reply
    Latest over 15 years ago
    by Jackie Hui
  • Not Answered

    TPS72718 Power Supply Rejection Ratio 0 Locked

    357 views
    2 replies
    Latest over 15 years ago
    by Pawel Holeksa
  • Not Answered

    TL1963A-15 questions 0 Locked

    248 views
    1 reply
    Latest over 15 years ago
    by Bill Stokes
  • Suggested Answer

    TPS65921 PMIC, USB-OTG Questions 0 Locked

    1140 views
    1 reply
    Latest over 15 years ago
    by Jigarsinh Rathod
  • Not Answered

    How to fulfill creapage and clearance requirments with small outline packages? 0 Locked

    883 views
    1 reply
    Latest over 15 years ago
    by John M
  • Answered

    Trip resistor for Dual channel Buck TPS5120 Multiphase controller 0 Locked

    558 views
    2 replies
    Latest over 15 years ago
    by Peter James Miller
  • Not Answered

    BQ2060 "0" voltage level too high 0 Locked

    633 views
    4 replies
    Latest over 15 years ago
    by Doug Williams4811
<>