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

    TPS61099: Boost with Pass-Through Mode for Vin_max of 6V 0 Locked

    320 views
    3 replies
    Latest over 1 year ago
    by Moritz
  • Answered

    TPS6593-Q1: DISABLE_WDOG as functionality in GPIO8 0 Locked

    346 views
    5 replies
    Latest over 1 year ago
    by Nicholas McNamara
  • Answered

    TPS23754EVM-383: Schematic review request on PoE 0 Locked

    788 views
    16 replies
    Latest over 1 year ago
    by Diang Xing
  • Suggested Answer

    TPS2375: Designed 13 Watt PoE using TPS2375 - But I Need Isolation, As In Isolation Transformer? Not Very Clear From Datasheet 0 Locked

    485 views
    4 replies
    Latest over 1 year ago
    by Diang Xing
  • Suggested Answer

    BQ24630EVM: BQ24630EVM gerber files 0 Locked

    280 views
    1 reply
    Latest over 1 year ago
    by Aya Khedr
  • Answered

    UCC28180: TIDA-010081 0 Locked

    368 views
    9 replies
    Latest over 1 year ago
    by Venkatesh B
  • Answered

    TPS6593-Q1: PFSM of PMIC: state of volatile registers after recovery 0 Locked

    241 views
    4 replies
    Latest over 1 year ago
    by Nicholas McNamara
  • Not Answered

    TPS65994AD: TPS65994BFRSLR PD switch F/W update 0 Locked

    215 views
    1 reply
    Latest over 1 year ago
    by Kevin Kosta
  • Suggested Answer

    BQ27542EVM: After unseal full accesses device can read system block but can not write system block 0 Locked

    161 views
    1 reply
    Latest over 1 year ago
    by Anthony
  • Suggested Answer

    BQ27411-G1: Use with Li-ion battery (not LiCoO2) 0 Locked

    204 views
    1 reply
    Latest over 1 year ago
    by Jonny
  • Answered

    BQ76920: How to use a battery pack instead of separate battery cells? 0 Locked

    330 views
    4 replies
    Latest over 1 year ago
    by Pedro Campos
  • Suggested Answer

    BQ35100EVM-795: Eval board tools? 0 Locked

    296 views
    9 replies
    Latest over 1 year ago
    by Wyatt Keller
  • Suggested Answer

    TPSM843B22: Recommended switching frequency 0 Locked

    152 views
    1 reply
    Latest over 1 year ago
    by David_Daniels
  • Suggested Answer

    Confirmation of reliability test data of TRS208IDBR 0 Locked

    101 views
    1 reply
    Latest over 1 year ago
    by Parker Dodson
  • Suggested Answer

    BQ79600-Q1: SPI PCB design/code implementation 0 Locked

    148 views
    1 reply
    Latest over 1 year ago
    by Julia Louis
  • Suggested Answer

    TPSM8A29EVM: Up to how much Ta, can TPSM8A29EVM be used? 0 Locked

    185 views
    1 reply
    Latest over 1 year ago
    by David_Daniels
  • Suggested Answer

    TLV62569: TLV62569 0 Locked

    171 views
    1 reply
    Latest over 1 year ago
    by Febin
  • Suggested Answer

    TPSM82816EVM-089: Up to how much Ta, can TPSM82816EVM-089 be used? 0 Locked

    136 views
    1 reply
    Latest over 1 year ago
    by Chris Glaser
  • Answered

    BQ24170: Large capacitance on charger output 0 Locked

    280 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Suggested Answer

    TPS60401: Doubling Inverter - Cascading more than two devices 0 Locked

    211 views
    2 replies
    Latest over 1 year ago
    by Febin
<>