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

    LMG3410R070: LMG3410 Fault issue 0 Locked

    435 views
    1 reply
    Latest over 6 years ago
    by Serkan Dusmez
  • Answered

    TL7757: TL7757 Pin1 why always is low status? 0 Locked

    1219 views
    2 replies
    Latest over 6 years ago
    by Abhinav.Sharma
  • Suggested Answer

    TPS65655RSNR data sheet 0 Locked

    1263 views
    4 replies
    Latest over 6 years ago
    by LeonardEllis
  • Suggested Answer

    PTB48540A: PTB48540A(NRND)5 V, 10-W Power-Over-Ethernet Power Module 0 Locked

    305 views
    1 reply
    Latest over 6 years ago
    by iAlejandro
  • Suggested Answer

    BQ24232: Production Testing Virtual Battery 0 Locked

    211 views
    1 reply
    Latest over 6 years ago
    by Raheem
  • Answered

    UCC27324: Question about the spec of UCC27324 0 Locked

    346 views
    1 reply
    Latest over 6 years ago
    by Mamadou Diallo
  • Suggested Answer

    LP5900SD-3.0EV: LP5900SD-3.0/NOPB 0 Locked

    765 views
    7 replies
    Latest over 6 years ago
    by Jason Song
  • Suggested Answer

    LM25119: Output Unstable 0 Locked

    336 views
    1 reply
    Latest over 6 years ago
    by Qian Chen
  • Suggested Answer

    ATL431: ATL431 disable 0 Locked

    429 views
    3 replies
    Latest over 6 years ago
    by Marcoo Z
  • Suggested Answer

    BQ25601: Changing minimum battery voltage when SYS will shut down. 0 Locked

    278 views
    1 reply
    Latest over 6 years ago
    by Angelo Zhang87
  • Suggested Answer

    BQ27GDK000EVM: BQ27GDK000EVM board questions 0 Locked

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

    BQ27542-G1: BQ27542-G1 current reading error 0 Locked

    344 views
    1 reply
    Latest over 6 years ago
    by Onyx Ahiakwo
  • Answered

    BQ34110: GPC cycle automated mode using EV2400 0 Locked

    743 views
    3 replies
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    BQ34Z100-G1: GPCRA0 Report warning 0 Locked

    302 views
    2 replies
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    LM34936: Lowest quiescent current: LM34936 or TPS25982? 0 Locked

    231 views
    1 reply
    Latest over 6 years ago
    by Richard Fu22
  • Answered

    UCC28780: Hard Limitation of minimum Vin 0 Locked

    249 views
    5 replies
    Latest over 6 years ago
    by Domingo De Maio
  • Answered

    LM3409HV: short circuit performance 0 Locked

    269 views
    3 replies
    Latest over 6 years ago
    by Irwin Nederbragt
  • Answered

    UCD3138: UCD3138 0 Locked

    535 views
    4 replies
    Latest over 6 years ago
    by robin gangopadhya18
  • Answered

    WEBENCH® Tools: suggestion of i2c charging chip with low Iq 0 Locked

    264 views
    3 replies
    Latest over 6 years ago
    by Raheem
  • Suggested Answer

    LM5023: LM5023 POWER SUPPLY, Load regulation problem 0 Locked

    772 views
    1 reply
    Latest over 6 years ago
    by Mike O'
<>