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

    BQ24092: Follow up question 0 Locked

    360 views
    7 replies
    Latest over 6 years ago
    by Bill Johns
  • Answered

    TPS659039-Q1: Power domain of TPS659039 0 Locked

    548 views
    4 replies
    Latest over 6 years ago
    by Nastasha
  • Answered

    LMZ14203: Parallel Operation of LMZ14203 0 Locked

    724 views
    3 replies
    Latest over 6 years ago
    by Denislav Petkov
  • Answered

    TPS54560: 4A load with voltage drop from motor on the input supply. 0 Locked

    553 views
    4 replies
    Latest over 6 years ago
    by Tony Brenke15
  • Suggested Answer

    LM5118: 300w Buck-boost converter with LM5118 0 Locked

    871 views
    1 reply
    Latest over 6 years ago
    by EricLee
  • Suggested Answer

    LMZM23600: LMZM23600V3 problem & recommendations 0 Locked

    590 views
    6 replies
    Latest over 6 years ago
    by Denislav Petkov
  • Suggested Answer

    Linux/BQ27Z561: Linux driver availability 0 Locked

    636 views
    1 reply
    Latest over 6 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    [FAQ] LP2985: minimum slew rate for ON/OFF 0 Locked

    2103 views
    5 replies
    Latest over 6 years ago
    by Gerard Copeland
  • Suggested Answer

    LM2991: The amount of characteristic change due to aging. 0 Locked

    303 views
    1 reply
    Latest over 6 years ago
    by Ryan Eslinger
  • Suggested Answer

    Boost Converter ICs with externally controllable duty cycle. 0 Locked

    511 views
    4 replies
    Latest over 6 years ago
    by Jeff F
  • Suggested Answer

    TPS92515: Can TPS92515 work correctly under VIN=24V and VOUT=1.3V? 0 Locked

    196 views
    1 reply
    Latest over 6 years ago
    by Irwin Nederbragt
  • Suggested Answer

    UCD3138: there is fault on Fusion Digital Power Designer 0 Locked

    697 views
    6 replies
    Latest over 6 years ago
    by Amiel Hussain
  • Answered

    BQ25570: Low Power Voltage Level Shifting 0 Locked

    354 views
    3 replies
    Latest over 6 years ago
    by Jeff F
  • Suggested Answer

    How to calculate the voltage Vout2? 0 Locked

    533 views
    3 replies
    Latest over 6 years ago
    by Arief Hernadi
  • Answered

    BQ24773EVM-540: Register settings for charge 0 Locked

    1004 views
    5 replies
    Latest over 6 years ago
    by Steve Preissig
  • Suggested Answer

    LM22676: Short circuit protection 0 Locked

    382 views
    3 replies
    Latest over 6 years ago
    by David Baba
  • Suggested Answer

    LM5166: COT vs PFM 0 Locked

    2556 views
    1 reply
    Latest over 6 years ago
    by Arief Hernadi
  • Suggested Answer

    Low cost buck converter which can oparate with electrolytic or small cermic CIN/COUT 0 Locked

    370 views
    1 reply
    Latest over 6 years ago
    by Arief Hernadi
  • Answered

    UCD9224: Future version of the UCD9224 0 Locked

    391 views
    1 reply
    Latest over 6 years ago
    by Xavier Hanson
  • Answered

    TPS7B63-Q1: Current limit behavior 0 Locked

    195 views
    1 reply
    Latest over 6 years ago
    by Ryan Eslinger
<>