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] Why is there leakage current on pins when the UCD90xxx is not powered up?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx device has an internal ESD diode to protect on all IO pins and MON pins. When the UCD90xxx…
    • over 3 years ago
    • Power management
    • Power management forum
  • [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
<>

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

    UC1843-SP: LCCC (FK) Package information 0 Locked

    381 views
    2 replies
    Latest over 1 year ago
    by Daniel Hartung
  • Suggested Answer

    BQ27426: SELF-LEARNING, Conditional Confirmation of FCC Correct Updates 0 Locked

    331 views
    5 replies
    Latest over 1 year ago
    by Dominik Hartl11
  • Suggested Answer

    BQ27426: Question about manual value changes for VatChgTerm 0 Locked

    303 views
    3 replies
    Latest over 1 year ago
    by Dominik Hartl11
  • Answered

    BQ40Z80: System Data Contents in Sealed Mode 0 Locked

    397 views
    3 replies
    Latest over 1 year ago
    by Adrian
  • Answered

    TINA-TI: UCC28600 simulation and Mosfet model 0 Locked

    270 views
    1 reply
    Latest over 1 year ago
    by Harish Ramakrishnan5
  • Suggested Answer

    TPS53318: TPS53318DQPR Schematics Verification 0 Locked

    318 views
    2 replies
    Latest over 1 year ago
    by Savith Kumar Rayakanti
  • Suggested Answer

    TPS3839: Max junction temp 0 Locked

    192 views
    1 reply
    Latest over 1 year ago
    by Masoud Beheshti61
  • Suggested Answer

    TPS3808: TPS3808G33DBVTG4 what is the meaning of G4 0 Locked

    255 views
    1 reply
    Latest over 1 year ago
    by Masoud Beheshti61
  • Suggested Answer

    BQ79731-Q1: Functional Datasheet for BQ79718-Q1 not BQ79731-Q1 0 Locked

    1099 views
    1 reply
    Latest over 1 year ago
    by Julia Louis
  • Answered

    UCC24624: Question about UCC24624 0 Locked

    410 views
    5 replies
    Latest over 1 year ago
    by JCHK
  • Suggested Answer

    BQ25628EVM: BQ25628 0 Locked

    374 views
    1 reply
    Latest over 1 year ago
    by Ning T
  • Answered

    BQ79731-Q1: Communication between M0 and BQ79731 0 Locked

    494 views
    1 reply
    Latest over 1 year ago
    by Nancy Hidalgo
  • Suggested Answer

    BQ24050: BQ24050 0 Locked

    271 views
    5 replies
    Latest over 1 year ago
    by Michael Emanuel35
  • Not Answered

    BQ24725A: current limit on ACN and ACP 0 Locked

    213 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Answered

    BQ25619E: Logic Supply Voltage Querry 0 Locked

    265 views
    3 replies
    Latest over 1 year ago
    by Michael Emanuel35
  • Answered

    BQ24640: Capacitance of CFF 0 Locked

    280 views
    5 replies
    Latest over 1 year ago
    by Christian Moyer
  • Answered

    TPS7H5001-SP: Any ways to moitor a triangle wave? 0 Locked

    411 views
    3 replies
    Latest over 1 year ago
    by Daniel Hartung
  • Not Answered

    BQ40Z80: BQ40Z80 0 Locked

    116 views
    1 reply
    Latest over 1 year ago
    by Adrian
  • Answered

    BQ78350-R1: Bq78350-R2 unit of Battery Low % parameter 0 Locked

    242 views
    1 reply
    Latest over 1 year ago
    by Adrian
  • Suggested Answer

    CSD95485RWJ: the minimum withstand of the CSD95485's vin-sw 0 Locked

    329 views
    9 replies
    Latest over 1 year ago
    by Mahmoud Harmouch
<>