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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 years ago
    • Power management
    • Power management forum
<>

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

    UCC35701D проблема AC / DC- преобразователь VP-168 0 Locked

    562 views
    1 reply
    Latest over 9 years ago
    by Blake TI Community
  • Answered

    TPS61170 Maximum Output Voltage 0 Locked

    518 views
    4 replies
    Latest over 9 years ago
    by LeonardEllis
  • Not Answered

    BQ27510-G3 Learning Cycle Qmax Cell 0, Ra0 Table transfering to Qmax Cell 1 and Ra1 Table 0 Locked

    569 views
    0 replies
    Started over 9 years ago
    by Ethan Williams
  • Not Answered

    TPS51225B Phase Margin measurement 0 Locked

    396 views
    1 reply
    Latest over 9 years ago
    by JohnTucker
  • Not Answered

    TPS40210: Variable Output - How to design the compensation? 0 Locked

    383 views
    2 replies
    Latest over 9 years ago
    by JohnTucker
  • Answered

    TPS65400 -- Calc. sheet for bode plot 0 Locked

    438 views
    2 replies
    Latest over 9 years ago
    by Kenji Ninagawa
  • Suggested Answer

    TPS65400 Enable pins 0 Locked

    263 views
    1 reply
    Latest over 9 years ago
    by Eric Guo1
  • Not Answered

    bq40z60 not switched around 1MHz during charging 0 Locked

    964 views
    6 replies
    Latest over 9 years ago
    by Sadi Hafezi
  • Suggested Answer

    TPS68470 application 0 Locked

    600 views
    5 replies
    Latest over 9 years ago
    by Antony Lin
  • Suggested Answer

    TPS563201 Vout = 7V 0 Locked

    386 views
    2 replies
    Latest over 9 years ago
    by Satoshi Yone
  • Suggested Answer

    TPS25921 ENUV terminal resistor removing 0 Locked

    1651 views
    8 replies
    Latest over 9 years ago
    by Rakesh
  • Answered

    TPS65070 EVKIT PB_I and POWER_ON 0 Locked

    371 views
    1 reply
    Latest over 9 years ago
    by Michael Green
  • Answered

    TPS65070EVK power up 0 Locked

    335 views
    1 reply
    Latest over 9 years ago
    by Michael Green
  • Not Answered

    TPS54540: multi-phase architecture for higher power output? 0 Locked

    370 views
    3 replies
    Latest over 9 years ago
    by JohnTucker
  • Discussion

    Use UCD3138 LLC firmware as a reference, have some questions Locked

    692 views
    2 replies
    Latest over 9 years ago
    by richard Guo
  • Answered

    BQ78350 + BQ76920 confusion 0 Locked

    854 views
    3 replies
    Latest over 9 years ago
    by Luke Lu
  • Not Answered

    Watchdog ICs with Monostable Output 0 Locked

    944 views
    1 reply
    Latest over 9 years ago
    by Samuel Sanchezarmas Omana
  • Not Answered

    ERROR in bq78350-R1 TRM file 0 Locked

    538 views
    1 reply
    Latest over 9 years ago
    by user68921447
  • Suggested Answer

    3 Phase Voltage Control Algorithm (DC-AC) 0 Locked

    684 views
    3 replies
    Latest over 9 years ago
    by Jack Tan26
  • Not Answered

    BQ24297 DPM flag : what does it sign? 0 Locked

    537 views
    3 replies
    Latest over 9 years ago
    by Ning T
<>