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

    tps65917-q1: NRESWARM minimum activation duration 0 Locked

    647 views
    2 replies
    Latest over 7 years ago
    by Lloyd Hwang
  • Answered

    BQ25504: Part replacement for C2(CSTOR), C3 , C5(Cref) 0 Locked

    681 views
    2 replies
    Latest over 7 years ago
    by LzBone
  • Suggested Answer

    TPS82084: Min Storage Temperature 0 Locked

    440 views
    1 reply
    Latest over 7 years ago
    by Chris Glaser
  • Answered

    TPS62110: About recommended effective capacity of the output capacitor. 0 Locked

    565 views
    2 replies
    Latest over 7 years ago
    by Hide
  • Suggested Answer

    LM5175: Variable output with FB control 0 Locked

    634 views
    3 replies
    Latest over 7 years ago
    by na na78
  • Not Answered

    LM2660: About LM2660 inrush current question? 0 Locked

    759 views
    2 replies
    Latest over 7 years ago
    by Bob Lee62837
  • Not Answered

    BQ76PL455A: Question about Certification 0 Locked

    679 views
    2 replies
    Latest over 7 years ago
    by Jake Jung
  • Answered

    TPS62110: About Power Good pin 0 Locked

    1732 views
    2 replies
    Latest over 7 years ago
    by Hide
  • Answered

    BQ24296: Limiting Charge Current 0 Locked

    778 views
    3 replies
    Latest over 7 years ago
    by Joel Hernandez II
  • Suggested Answer

    TPS62110: About Start up sequence 0 Locked

    1810 views
    2 replies
    Latest over 7 years ago
    by Hide
  • Answered

    BQ34Z100EVM: GPC Tool challenges 0 Locked

    517 views
    3 replies
    Latest over 7 years ago
    by Vladimir Chernavsky
  • Answered

    TPS54240: Need help understanding small sig ac compensation 0 Locked

    1448 views
    9 replies
    Latest over 7 years ago
    by Sam(MPAA) Zhang
  • Suggested Answer

    TPS54521: thermal model for the above mentioned part 0 Locked

    664 views
    4 replies
    Latest over 7 years ago
    by Jason Wang (BSR-MV)
  • Answered

    TPS7A85: About feed-foward capacitor 0 Locked

    601 views
    1 reply
    Latest over 7 years ago
    by Eric.Preiss
  • Not Answered

    BQ40Z50: Can I have the library (PADSlegacy_PMP.IntLib) 0 Locked

    740 views
    3 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    BQ40Z60: BQ40Z60 0 Locked

    484 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    BQ34Z100-G1: Design Enegry Scale vs. Design Capacity 0 Locked

    597 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    UCD90320: Are all GPIO-capable pins equal for purposes of mapping a GPI input? 0 Locked

    516 views
    1 reply
    Latest over 7 years ago
    by yihe
  • Not Answered

    BQ34110: bq34110 0 Locked

    720 views
    2 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    TPS22922: Power Sequence 0 Locked

    395 views
    1 reply
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
<>