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

    LM5104: a formula of HO voltage 0 Locked

    362 views
    1 reply
    Latest over 5 years ago
    by Richard Herring
  • Not Answered

    BQ24650: We want to control the closing of charge, but it doesn't work in practice 0 Locked

    204 views
    1 reply
    Latest over 5 years ago
    by Kedar Manishankar
  • Suggested Answer

    BQ25155: initialize registers at every power on? 0 Locked

    225 views
    1 reply
    Latest over 5 years ago
    by Raheem
  • Suggested Answer

    CSD22204W: CSD22204W using for reverese polarity protection 0 Locked

    305 views
    1 reply
    Latest over 5 years ago
    by John Wallace1
  • Answered

    CSD22204W: CSD22204W using for reverse polarity protection for coin cell battery oprated system 0 Locked

    889 views
    4 replies
    Latest over 5 years ago
    by Raghunath Pol1
  • Answered

    BQ21061: Not routing LP pin 0 Locked

    227 views
    1 reply
    Latest over 5 years ago
    by Raheem
  • Answered

    BQ77905: Battery charge display 0 Locked

    242 views
    1 reply
    Latest over 5 years ago
    by David Hien
  • Answered

    TPS51200: About timing sequence 0 Locked

    211 views
    1 reply
    Latest over 5 years ago
    by Qian Chen
  • Suggested Answer

    BQ25570EVM-206: BQ25570 Q&A 0 Locked

    1247 views
    1 reply
    Latest over 5 years ago
    by Jeff F
  • Suggested Answer

    UCC21750: Glitch on OUTH for second time trigger, the first time is OK 0 Locked

    1633 views
    6 replies
    Latest over 5 years ago
    by Audrey Dearien7
  • Answered

    PTH04T240W: Output capacitors design 0 Locked

    188 views
    1 reply
    Latest over 5 years ago
    by Chris Glaser
  • Suggested Answer

    TPS55288: Is there excel design tool or webench for TPS55288? 0 Locked

    284 views
    1 reply
    Latest over 5 years ago
    by Helen chen
  • Suggested Answer

    BQ34Z100-G1: Trying to "repair" incorrect settings from BMS vendor 0 Locked

    170 views
    1 reply
    Latest over 5 years ago
    by Steven Yao
  • Suggested Answer

    BQ40Z50-R1: BQ40Z50-R1 recovery query of over current discharge protection 0 Locked

    276 views
    1 reply
    Latest over 5 years ago
    by Steven Yao
  • Suggested Answer

    BQ34Z100: Which chip to work best with iron phosphate batteries? 0 Locked

    254 views
    1 reply
    Latest over 5 years ago
    by Steven Yao
  • Suggested Answer

    BQ79616-Q1: BQ79616-Q1 and BA76PL455A Application related issues 0 Locked

    377 views
    1 reply
    Latest over 5 years ago
    by Andy Li55
  • Answered

    UCC21222-Q1: UCC21222-Q1_ Internal Resistance Tolerance value 0 Locked

    328 views
    2 replies
    Latest over 5 years ago
    by Prajeesh Kottinadath
  • Answered

    TPS61160: LCD backlight flashes and PWM duty cycle is unstable 0 Locked

    1222 views
    4 replies
    Latest over 5 years ago
    by zhang ping
  • Answered

    TLVH431: Cload P.M 0 Locked

    748 views
    4 replies
    Latest over 5 years ago
    by Marcoo Z
  • Suggested Answer

    TPS92602EVM: TPS92602 start up voltage 0 Locked

    302 views
    1 reply
    Latest over 5 years ago
    by Sean Zhou
<>