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

    LM5158: Flyback Converter - switching frequency 0 Locked

    233 views
    2 replies
    Latest 6 months ago
    by Gordon Leather
  • Not Answered

    TPS65150: TPS65150 VGH & VGL voltages issue 0 Locked

    155 views
    1 reply
    Latest 6 months ago
    by Patrick Yao
  • Answered

    TPS65640: BOOST CONVERTER 2 (VGH) Tolerance 0 Locked

    112 views
    3 replies
    Latest 6 months ago
    by Patrick Yao
  • Answered

    LP5562EVM: LP5562EVM 0 Locked

    144 views
    5 replies
    Latest 6 months ago
    by Florian Fehlmann
  • Suggested Answer

    TPS55288: Vin limitation at 100W , Vout=20V, Iout=5A 0 Locked

    194 views
    5 replies
    Latest 6 months ago
    by Mulin Yuan
  • Answered

    TPS7A33: SPICE model issues 0 Locked

    50 views
    1 reply
    Latest 6 months ago
    by Ahmed Eldistawy
  • Suggested Answer

    BQ34Z100-R2: Learned status is not changing to 6. 0 Locked

    188 views
    6 replies
    Latest 6 months ago
    by Piotr Radecki
  • Suggested Answer

    TPS610333: The problem of excessive output voltage ripple 0 Locked

    134 views
    1 reply
    Latest 6 months ago
    by Nathan Ding
  • Not Answered

    LP8867-Q1: Device selection 0 Locked

    56 views
    1 reply
    Latest 6 months ago
    by Gracie Guo
  • Answered

    LM61460-Q1: Inductor Selection: maximum current 0 Locked

    117 views
    2 replies
    Latest 6 months ago
    by Taru Kapoor
  • Answered

    LM70880-Q1: LM70880-Q1 schematic review 0 Locked

    183 views
    6 replies
    Latest 6 months ago
    by Ben C
  • Not Answered

    TLC6C5816-Q1: spec Check 0 Locked

    98 views
    3 replies
    Latest 6 months ago
    by Hailee Xu
  • Suggested Answer

    TPS2663: Compliance with IEC 62368-1:2014 0 Locked

    545 views
    8 replies
    Latest 6 months ago
    by Amrit Jit
  • Not Answered

    TPS25981: Queries on Ground Splitting, UVLO - OVLO Resistor Divider Configurations and Layout Guidelines || TPS259814A 0 Locked

    145 views
    3 replies
    Latest 6 months ago
    by Arush Gupta
  • Suggested Answer

    BQ25887: High-Frequency Sound. 0 Locked

    143 views
    3 replies
    Latest 6 months ago
    by Ning T
  • Suggested Answer

    TPS1685: PSpice Model - When Will It Be Available? 0 Locked

    293 views
    11 replies
    Latest 6 months ago
    by Kunal Goel
  • Answered

    LM70880: Pspice for TI - Simulation failed 0 Locked

    132 views
    3 replies
    Latest 6 months ago
    by SHINYOUNG KIM
  • Answered

    LM5069: Design for Hot swap two batteries 0 Locked

    235 views
    7 replies
    Latest 6 months ago
    by Kunal Goel
  • Not Answered

    TPSF12C1EVM-FILTER: TPSF12C1EVM-FILTER: 0 Locked

    115 views
    4 replies
    Latest 6 months ago
    by Abhijeet Godbole
  • Suggested Answer

    TPS1685EVM: EVM - VDD_PULLUP is 5V - Datasheet has 3.3V 0 Locked

    109 views
    1 reply
    Latest 6 months ago
    by Kunal Goel
<>