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

    ATL431LI: operating voltage on cathode close to abs max 0 Locked

    178 views
    1 reply
    Latest over 1 year ago
    by Walter Zollinger
  • Suggested Answer

    TPS65987D: SPI-Flash Questions 0 Locked

    337 views
    1 reply
    Latest over 1 year ago
    by Alan Manlick
  • Suggested Answer

    UC1825: TINA-TI: Convergence Problem with the UC1825 Circuitry 0 Locked

    269 views
    1 reply
    Latest over 1 year ago
    by Steven Mappus1
  • Answered

    TPS65988DKEVM: .pjt file for Dual USB-C port, Port A: Source and Sink, Port B: Sink only, supply power only from either USB-C ports 0 Locked

    841 views
    28 replies
    Latest over 1 year ago
    by david hilderman
  • Answered

    TPS6594-Q1: NVM settings documentation 0 Locked

    358 views
    1 reply
    Latest over 1 year ago
    by Nicholas McNamara
  • Suggested Answer

    ISOM8111 0 Locked

    247 views
    3 replies
    Latest over 1 year ago
    by Andrew J
  • Suggested Answer

    BQ25619E: PG and STAT LED flickers if battery tries to charge above 3.0V 0 Locked

    395 views
    7 replies
    Latest over 1 year ago
    by Garrett Kreger
  • Suggested Answer

    TPS7A4701EVM-094: EVM APP and EVM board questions 0 Locked

    418 views
    6 replies
    Latest over 1 year ago
    by Josh Nachassi
  • Answered

    LM63625-Q1: Datasheet Internal FET Drawing 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by Ridge Lahti
  • Answered

    TPS61165EVM-283: software install problem. 0 Locked

    292 views
    1 reply
    Latest over 1 year ago
    by Jared Zhou
  • Answered

    TPSF12C1-Q1: Active EMI Filter for 1000V DC Application 0 Locked

    422 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Suggested Answer

    LM61460: Difference between LM61460,LM62460,LM63460,LM64460 0 Locked

    308 views
    1 reply
    Latest over 1 year ago
    by Jimmy Hua
  • Suggested Answer

    UCC21710: Miller clamp 0 Locked

    188 views
    1 reply
    Latest over 1 year ago
    by Pratik Adibatla
  • Answered

    BQ76940: Internal registers during SHIP mode 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by Luis H. S.
  • Suggested Answer

    TPS92520-Q1: Pwm duty cycle will control the Iout or Vout ? 0 Locked

    204 views
    1 reply
    Latest over 1 year ago
    by fhoude
  • Suggested Answer

    BQ40Z80: DataFlashAccess issue 0 Locked

    187 views
    1 reply
    Latest over 1 year ago
    by Jose Couso
  • Suggested Answer

    TPS76901-HT: TPS76901HDBVT 0 Locked

    240 views
    4 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    REF3433: REF3433QDBVRQ1 0 Locked

    216 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    TPS2491: TPS2491DGS 0 Locked

    158 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TPS543C20A:Schematic Review 0 Locked

    313 views
    1 reply
    Latest over 1 year ago
    by Britton Jones
<>