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

    TPS55332-Q1: Design procedure example and confirmation tool 0 Locked

    478 views
    9 replies
    Latest over 1 year ago
    by Christian Yanez
  • Answered

    TPS24740: Higher voltage input 0 Locked

    234 views
    2 replies
    Latest over 1 year ago
    by Al M
  • Answered

    BQ25895M: Inquiry regarding BQ25895M Charger IC 0 Locked

    272 views
    3 replies
    Latest over 1 year ago
    by Garrett Kreger
  • Suggested Answer

    TPS6594-Q1: TPS65941212 & TPS65941111 OTP configuration table 0 Locked

    366 views
    3 replies
    Latest over 1 year ago
    by Katie Pier
  • Suggested Answer

    UC1875-SP: Calculation Reference Document 0 Locked

    221 views
    1 reply
    Latest over 1 year ago
    by Daniel Hartung
  • Answered

    LM3478: it doesn't work 0 Locked

    352 views
    5 replies
    Latest over 1 year ago
    by Niklas Schwarz
  • Not Answered

    TPS758: TPS75833KC 0 Locked

    278 views
    4 replies
    Latest over 1 year ago
    by Puspam Nayak
  • Answered

    TPSM84624: The value of Package Body thickness for bake condition 0 Locked

    232 views
    3 replies
    Latest over 1 year ago
    by user6004480
  • Answered

    BQ76940: The drive circuit of Charge FET 0 Locked

    252 views
    2 replies
    Latest over 1 year ago
    by yuji.S
  • Answered

    LMR51420: EMI input filter for buck converter 0 Locked

    635 views
    2 replies
    Latest over 1 year ago
    by Lothar Kulzer
  • Answered

    TPS7A45: Drive shutdown pin with battery/USB and pull down resistor 0 Locked

    227 views
    2 replies
    Latest over 1 year ago
    by AyubowanPro
  • Answered

    TPS61170: Recommended inductors 0 Locked

    326 views
    4 replies
    Latest over 1 year ago
    by Lei Zhong
  • Suggested Answer

    BQ79731Q1EVM-060: PBQ79731RGYRQ1 0 Locked

    420 views
    10 replies
    Latest over 1 year ago
    by Huajian Li
  • Suggested Answer

    TPS65270: Seeking Dual-Output Buck Converter Recommendation (12V/5V) for 16V-20V Battery 0 Locked

    376 views
    4 replies
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    TPS56837: How to deal with the exposed pin of TPS56837 0 Locked

    223 views
    1 reply
    Latest over 1 year ago
    by Gui He
  • Answered

    LM2665: Polarity of SD Shutdown Signal 0 Locked

    244 views
    2 replies
    Latest over 1 year ago
    by Nini Zhong
  • Answered

    BQ34Z100EVM: Help finding the right firmware for BQ studio 0 Locked

    389 views
    2 replies
    Latest over 1 year ago
    by Stina Starborg
  • Answered

    BQ76952EVM: BQ76952 RAM register 0 Locked

    260 views
    2 replies
    Latest over 1 year ago
    by mehmet özel
  • Suggested Answer

    LM317MQ: Request for Operating temp and AEC status 0 Locked

    229 views
    3 replies
    Latest over 1 year ago
    by Aaron Paxton
  • Answered

    BQ34Z100-G1: Learning cycle & Golden Image - post procedure clarification. 0 Locked

    348 views
    2 replies
    Latest over 1 year ago
    by Steven Moses Dosapati Christopher
<>