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
  • Suggested Answer

    TPS61169: Improve output efficiency 0 Locked

    393 views
    2 replies
    Latest over 6 years ago
    by Sean Zhou
  • Answered

    TPS61196: EN/PWM pin volatge margin 0 Locked

    537 views
    2 replies
    Latest over 6 years ago
    by Sean Zhou
  • Suggested Answer

    TPS61165: Led driver don't turn off 0 Locked

    273 views
    2 replies
    Latest over 6 years ago
    by Sean Zhou
  • Suggested Answer

    TPS61500: Less current output than expected 0 Locked

    547 views
    8 replies
    Latest over 6 years ago
    by Sean Zhou
  • Answered

    LM3643: Some pin connections 0 Locked

    210 views
    2 replies
    Latest over 6 years ago
    by Sean Zhou
  • Answered

    TPS61240: I cannot exactly understand the concept of pulse frequency mode(PFM) and Discontinuous mode(DCM) 0 Locked

    1130 views
    2 replies
    Latest over 6 years ago
    by Yunsik Chung
  • Suggested Answer

    LM5146-Q1-EVM12V: LM5146EVM Vcc voltage question 0 Locked

    560 views
    1 reply
    Latest over 6 years ago
    by Timothy Hegarty
  • Answered

    BQ25895: Adding USB type-c bidirectional support using TPS65988 0 Locked

    1801 views
    3 replies
    Latest over 6 years ago
    by AbdulRahman Qadry
  • Answered

    UCC27525: UCC27525 0 Locked

    549 views
    6 replies
    Latest over 6 years ago
    by daniel sargezi
  • Suggested Answer

    LM5145: OVP and Hiccup 0 Locked

    305 views
    1 reply
    Latest over 6 years ago
    by David Baba
  • Answered

    Simple Switcher - Negative Input & Negative Output? 0 Locked

    1621 views
    6 replies
    Latest over 6 years ago
    by James VDC
  • Answered

    TPS25221: question regarding OCP 0 Locked

    229 views
    1 reply
    Latest over 6 years ago
    by Ziv Zhang
  • Answered

    LM27403: About bode plot test 0 Locked

    966 views
    12 replies
    Latest over 6 years ago
    by user6066002
  • Suggested Answer

    TPS23757: starting issue 0 Locked

    841 views
    7 replies
    Latest over 6 years ago
    by Darwin Fernandez
  • Answered

    BQ25886: Standalone 2 Li Ion Battery Charging through USB 0 Locked

    2081 views
    7 replies
    Latest over 6 years ago
    by AE104
  • Suggested Answer

    TPS61252: TPS61252 High Shutdown Current - Please Help 0 Locked

    474 views
    5 replies
    Latest over 6 years ago
    by Jasper Li
  • Suggested Answer

    BQ24195: Looking For PMID 0 Locked

    651 views
    1 reply
    Latest over 6 years ago
    by Ning T
  • Answered

    LM3481: How to eliminate the high frequency jitter during the ramp up 0 Locked

    511 views
    7 replies
    Latest over 6 years ago
    by Youhao Xi
  • Suggested Answer

    LM5170EVM-BIDIR: LM5170EVM-BIDIR:Circuit Breaker 0 Locked

    467 views
    7 replies
    Latest over 6 years ago
    by Youhao Xi
  • Answered

    TPS92638-Q1: Unused Output With Resistor Causing False Fault In Slow Increase Voltage 0 Locked

    397 views
    4 replies
    Latest over 6 years ago
    by Julio Costa
<>