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] Is an RC filter needed for a V33A rail? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 V33A supplies power to voltage reference and ADC blocks inside the device. A large ripple on V33A…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are pulldown resistors needed on EN pins? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Pulldown resistors on EN pins are needed in some situations. When the UCD90xxx device is in reset…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the states of IO pins when the UCD90xxx is under reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A All IO pins of the UCD90320U, UCD90320, and UCD90240 devices are Hi-Z state. For the rest of the…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are the decoupling capacitors needed on MON pins? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Decoupling capacitors on MON pins are recommended. MON pins are ADC channels. There is no internal…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can the RESET pin be used to sequence off rails? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 No. Unlike analog devices, RESET pin of the UCD90xxx resets its digital core abruptly. All GPIO…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Is the PMBus connector for the Fusion GUI still required if a PMBus host is already available on the board? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Although it is optional, it is always recommended to have a PMBus connector to connect the Fusion…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are there any application notes for margining function? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes. TI has provided the following application notes to design voltage margining: • Design Voltage…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] When does the UCD90xxx start rail margining?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx only starts the margining when the desired rails reach its POWER_GOOD threshold and…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Does the UCD90xxx family support voltage margining?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes. The UCD90xxx family employs a PWM method to do voltage margining. Compared to the DAC method…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does GUI show 0.2 V while the real measuring result is 0 V? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Some monitor pins of the UCD90xxx have a minor limitation on the lower range of monitoring—they…
    • over 3 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    BQ24133: BQ24133 for 2 cell battery charge 0 Locked

    527 views
    4 replies
    Latest over 5 years ago
    by Jeff F
  • Suggested Answer

    BQ25892: BQ25892 0 Locked

    663 views
    3 replies
    Latest over 5 years ago
    by Jeff F
  • Suggested Answer

    TPS23756: TPS23756 SCH CHECK 0 Locked

    359 views
    5 replies
    Latest over 5 years ago
    by Michael Pahl
  • Suggested Answer

    UCC27524: INA input voltage consult 0 Locked

    314 views
    1 reply
    Latest over 5 years ago
    by Mamadou Diallo
  • Suggested Answer

    TPS92518EVM-878: TPS92518EVM software 0 Locked

    505 views
    1 reply
    Latest over 5 years ago
    by Issac Hsu
  • Answered

    BQ76940: Request a Reference Design for 20S Battery Cell . 0 Locked

    353 views
    5 replies
    Latest over 5 years ago
    by David Hien
  • Answered

    WEBENCH® Tools/TPSM846C24: TPSM846C24 input capacitance 0 Locked

    313 views
    2 replies
    Latest over 5 years ago
    by Ohad
  • Answered

    UCC28951-Q1: UCC28951-Q1 0 Locked

    303 views
    2 replies
    Latest over 5 years ago
    by Sonal Singh
  • Answered

    UCC21750-Q1: Global Shutdown of multiple devices 0 Locked

    360 views
    3 replies
    Latest over 5 years ago
    by Hermann Sundklakk
  • Answered

    TPS568215: Compensation Discussion 0 Locked

    465 views
    3 replies
    Latest over 5 years ago
    by Yuchang Zhang
  • Suggested Answer

    TPS62140: TPS62140EVM-505 EVM issue 0 Locked

    398 views
    4 replies
    Latest over 5 years ago
    by JohnTucker
  • Suggested Answer

    WEBENCH® Tools/TL494: Tl494 0 Locked

    387 views
    1 reply
    Latest over 5 years ago
    by Teng Feng
  • Answered

    TPS61235P: TPS61235P 0 Locked

    873 views
    18 replies
    Latest over 5 years ago
    by changgen tong
  • Answered

    TPS25942A: nused pin processing of TPS25942A 0 Locked

    229 views
    1 reply
    Latest over 5 years ago
    by Rakesh
  • Suggested Answer

    TPS54560B: Ripple issue 0 Locked

    264 views
    1 reply
    Latest over 5 years ago
    by Gavin Wang (Zejing)
  • Suggested Answer

    LM5145: UVLO/EN resistance parameters 0 Locked

    299 views
    3 replies
    Latest over 5 years ago
    by Gavin Wang (Zejing)
  • Answered

    TPS40170: Swing of Vout from 3V to 26V 0 Locked

    166 views
    1 reply
    Latest over 5 years ago
    by Gavin Wang (Zejing)
  • Answered

    TPS40170: Low side FET sink current limit 0 Locked

    291 views
    1 reply
    Latest over 5 years ago
    by Gavin Wang (Zejing)
  • Answered

    TPS54202: Average Model of TINA TI 0 Locked

    343 views
    2 replies
    Latest over 5 years ago
    by Hide
  • Answered

    LM5069: LM5069 0 Locked

    592 views
    2 replies
    Latest over 5 years ago
    by Farzaneh Faridi
<>