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
  • Not Answered

    BQ78350-R1A: All LEDs incorrectly light up even when RSOC is low 0 Locked

    448 views
    8 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    LM25018: Current limited buck project progress 0 Locked

    182 views
    1 reply
    Latest over 1 year ago
    by Andrew Kutzler
  • Answered

    TUSB1044: P/N Swap compatibility 0 Locked

    274 views
    3 replies
    Latest over 1 year ago
    by Shane Hauser
  • Not Answered

    TPS546D24S: one stack 70A, X4 Stack .max 200A 0 Locked

    232 views
    2 replies
    Latest over 1 year ago
    by Tomoya Ide
  • Suggested Answer

    BQ25756: Jeita compliance of BQ25756 but with smart battery 0 Locked

    288 views
    5 replies
    Latest over 1 year ago
    by Ethan Galloway
  • Not Answered

    UCC28711: UCC28711 IS NOT GIVING DRIVE PULSES AND NO VOLTAGE AT NTC PIN EVEN IT IS KEPT OPEN 0 Locked

    327 views
    4 replies
    Latest over 1 year ago
    by Harish Ramakrishnan5
  • Suggested Answer

    TPS25942A: TPS25942 0 Locked

    431 views
    7 replies
    Latest over 1 year ago
    by Krishnam Raju Marupu
  • Suggested Answer

    TPS7A85: TPS7A85 SPICE Model User-guide 0 Locked

    328 views
    2 replies
    Latest over 1 year ago
    by Edgar Acosta1
  • Suggested Answer

    BQ25750: Input And Output Capacitors when not using reverse mode 0 Locked

    214 views
    1 reply
    Latest over 1 year ago
    by Ethan Galloway
  • Suggested Answer

    LM2990: CS2441759: Part - ALDTR0009988241 > MPN # LM2990SX-5.0/NOPB 0 Locked

    224 views
    5 replies
    Latest over 1 year ago
    by Dipak Badgujar
  • Suggested Answer

    LM25149-Q1: Inquiry about different IC for my new design those ICs should pass EMC and EMI test 0 Locked

    336 views
    6 replies
    Latest over 1 year ago
    by Timothy Hegarty
  • Answered

    TPS745-Q1: TPS74512PQWDRVRQ1 En Pin 0 Locked

    227 views
    1 reply
    Latest over 1 year ago
    by Hannah Grace
  • Suggested Answer

    UCD90160A: Enable mode 0 Locked

    214 views
    2 replies
    Latest over 1 year ago
    by Anne Ngo77
  • Suggested Answer

    TPS7A24: Could I change the current limit(ICL) 0 Locked

    207 views
    1 reply
    Latest over 1 year ago
    by Prakash Lakhit
  • Answered

    LM137QML-SP: 5962P9951708VXA: SEE data 0 Locked

    172 views
    1 reply
    Latest over 1 year ago
    by Sarah Koch
  • Suggested Answer

    BQ25756: BQ25756 High power levels 0 Locked

    511 views
    6 replies
    Latest over 1 year ago
    by Ethan Galloway
  • Answered

    LM117HVQML-SP: SEE data 0 Locked

    199 views
    1 reply
    Latest over 1 year ago
    by Sarah Koch
  • Not Answered

    TPS65219: TPS6521903RHBR Power Up Issue. 0 Locked

    983 views
    31 replies
    Latest over 1 year ago
    by Kallikuppa Sreenivasa
  • Suggested Answer

    TPS92520-Q1: TPS92520 Standby Current Evaluation 0 Locked

    272 views
    5 replies
    Latest over 1 year ago
    by fhoude
  • Answered

    TPS7H5005-SEP: Simulation Error 0 Locked

    573 views
    25 replies
    Latest over 1 year ago
    by Daniel Hartung
<>