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

    TPS1H200A-Q1: Open-load and short diagnostics 0 Locked

    466 views
    7 replies
    Latest over 6 years ago
    by Cameron Phillips
  • Answered

    TPS65911: HDRST toggling 0 Locked

    266 views
    3 replies
    Latest over 6 years ago
    by Kevin LaRosa
  • Answered

    TPS62130: EN pin bypass Capacitor 0 Locked

    378 views
    5 replies
    Latest over 6 years ago
    by Omar Hegazi
  • Answered

    TPS22919: Smart pull down 0 Locked

    425 views
    3 replies
    Latest over 6 years ago
    by Alpha H
  • Answered

    TPS22917: reverse current protection 0 Locked

    246 views
    1 reply
    Latest over 6 years ago
    by Alpha H
  • Answered

    TPS23880: TSP23880 Circuit ORCAD file 0 Locked

    327 views
    6 replies
    Latest over 6 years ago
    by Hsu cheng
  • Answered

    BQ76940: CAP1 pin connection 0 Locked

    331 views
    1 reply
    Latest over 6 years ago
    by Matt Sunna
  • Suggested Answer

    UC1708-SP: UC1708 INPUT pin characteristic and isolated PWM signal stability 0 Locked

    1209 views
    11 replies
    Latest over 6 years ago
    by Daniel Hartung
  • Suggested Answer

    TPS1H100-Q1: TPS1H100-Q1 TPS2HB08-Q1 24V bus system 0 Locked

    540 views
    2 replies
    Latest over 6 years ago
    by Mahmoud Harmouch
  • Suggested Answer

    SM72295: Buck-Boost design with SM72445 0 Locked

    409 views
    3 replies
    Latest over 6 years ago
    by Richard Herring
  • Answered

    UCD3138A: Why some I/O pin will rise up a little bit(less than 1V) during V33D rising up? 0 Locked

    292 views
    2 replies
    Latest over 6 years ago
    by Dana Huang
  • Answered

    BQ51222: WPG_N/PD_DET_N questions 0 Locked

    293 views
    1 reply
    Latest over 6 years ago
    by Bill Johns
  • Suggested Answer

    TPS53681: Layout guidelines 0 Locked

    279 views
    1 reply
    Latest over 6 years ago
    by Carmen Parisi
  • Suggested Answer

    Isolated power supply solution 0 Locked

    257 views
    1 reply
    Latest over 6 years ago
    by LeonardEllis
  • Answered

    BQ25898: AUTO_DPDM_EN functional differences 0 Locked

    400 views
    3 replies
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    BQ24773: BQ24773 How to use No battery model 0 Locked

    220 views
    1 reply
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    BQ24773: learn mode function 0 Locked

    304 views
    1 reply
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    BQ25601: Thermistor measurment with BQ27Z561 0 Locked

    447 views
    1 reply
    Latest over 6 years ago
    by Paul Yeh
  • Answered

    SG3524: PWM Controller question. 0 Locked

    338 views
    1 reply
    Latest over 6 years ago
    by Peter Meaney
  • Answered

    TPS56637: Max duty limitation at Vout=5V 0 Locked

    224 views
    3 replies
    Latest over 6 years ago
    by Shinya Sawamoto
<>