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

    Solar Powered Parallel Li-Ion Cells Charging 0 Locked

    625 views
    3 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    BQ4050: Basic configuration with bqstudio and EV2300 0 Locked

    1981 views
    2 replies
    Latest over 7 years ago
    by Harald Schilke15
  • Suggested Answer

    TPS54560: Pulse skip mode during heavy load 0 Locked

    1515 views
    6 replies
    Latest over 7 years ago
    by YangZhang
  • Answered

    LM5145: Better Images For Blog "How to design a simple two-phase current-sharing synchronous buck regulator using a voltage-mode controller" 0 Locked

    664 views
    3 replies
    Latest over 7 years ago
    by David Baba
  • Answered

    TPS65910: Which Power Supply is the GPIO PU Referenced to...? 0 Locked

    526 views
    2 replies
    Latest over 7 years ago
    by Kevin LaRosa
  • Suggested Answer

    TPS92515-Q1: need of BOOT diode 0 Locked

    432 views
    1 reply
    Latest over 7 years ago
    by Clinton Jensen
  • Answered

    TPS92692-Q1: IADJ input voltage, current accuracy 0 Locked

    786 views
    3 replies
    Latest over 7 years ago
    by Clinton Jensen
  • Answered

    TPS92513: PDIM response time 0 Locked

    1290 views
    6 replies
    Latest over 7 years ago
    by Clinton Jensen
  • Answered

    BQ24780S: protection feature when SYS is suddenly shorted to GND 0 Locked

    6822 views
    5 replies
    Latest over 7 years ago
    by Wang5577
  • Answered

    TPS65916: INT (pin 26) OTP default setting 0 Locked

    585 views
    1 reply
    Latest over 7 years ago
    by Karl Wallinger
  • Not Answered

    BQ24780S: Discharge Current Regulation Enable 0 Locked

    408 views
    1 reply
    Latest over 7 years ago
    by Wang5577
  • Not Answered

    PTN04050C: Can 2 of these be connected in parallel for more current? 0 Locked

    545 views
    1 reply
    Latest over 7 years ago
    by Tom Guerin
  • Answered

    UCD90320: CAD/CAM Symbols 0 Locked

    742 views
    1 reply
    Latest over 7 years ago
    by yihe
  • Answered

    TL499A: Need to transform 3.7 V to 20V and data sheet is either not helpful or too complicated. 0 Locked

    2616 views
    7 replies
    Latest over 7 years ago
    by Clayton Dittman
  • Suggested Answer

    LM5116: How to make an 20-100VDC input to a 12V/50A output with short circuit protecton 0 Locked

    1428 views
    1 reply
    Latest over 7 years ago
    by David Baba
  • Suggested Answer

    BQ34Z100-G1: Does "IT ENABLE" (0021) prevent Data Flash writes? 0 Locked

    419 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    BQ27532-G1: Problem with entering hibernate mode 0 Locked

    1886 views
    11 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Not Answered

    BQ40Z50-R1: Change external NTC sensor gain 0 Locked

    651 views
    3 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Not Answered

    BQ40Z50-R1: CHEM ID 0 Locked

    364 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Not Answered

    BQ40Z50-R1: bqstudio 0 Locked

    362 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
<>