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

    Application Schematics of BCI in DM 0 Locked

    405 views
    2 replies
    Latest over 15 years ago
    by Antony Lin
  • Suggested Answer

    tps65920 - MADC & keypad power consumption 0 Locked

    405 views
    1 reply
    Latest over 15 years ago
    by Gandhar Dighe
  • Not Answered

    BQ24074 0 Locked

    478 views
    1 reply
    Latest over 15 years ago
    by Chris Glaser
  • Answered

    UCD9012x Internal Regulator Controller - Allowable Input Voltage? 0 Locked

    379 views
    3 replies
    Latest over 15 years ago
    by Eric Wright
  • Answered

    UCD9012x Brownout Function 0 Locked

    294 views
    1 reply
    Latest over 15 years ago
    by Eric Wright
  • Not Answered

    bq78pl114 writing to BatteryMode() for broadcasting fails 0 Locked

    405 views
    4 replies
    Latest over 15 years ago
    by Jim M15252
  • Not Answered

    High Power Isolated Converter with PFC 0 Locked

    614 views
    1 reply
    Latest over 15 years ago
    by John Perlick
  • Answered

    Info request about Spice subcircuit model for TPS62051 Buck regulator (please) 0 Locked

    638 views
    1 reply
    Latest over 15 years ago
    by Matthew Day
  • Not Answered

    DCDC Converter selection 0 Locked

    387 views
    1 reply
    Latest over 15 years ago
    by Jeff F
  • Not Answered

    switching power supply 0 Locked

    368 views
    2 replies
    Latest over 15 years ago
    by Tim Tuba
  • Suggested Answer

    TPS65920 supports RTC timer while in back up mode? 0 Locked

    600 views
    7 replies
    Latest over 15 years ago
    by Gandhar Dighe
  • Suggested Answer

    TPS65920 USB Host / Device without OTG 0 Locked

    414 views
    2 replies
    Latest over 15 years ago
    by Matan Medalion
  • Not Answered

    USB-TO-GPIO firmware update for bq78PL114 and back again 0 Locked

    370 views
    1 reply
    Latest over 15 years ago
    by Foe
  • Answered

    TPS73201 Reference Voltage change with Temp 0 Locked

    306 views
    1 reply
    Latest over 15 years ago
    by Scot Lester
  • Answered

    dc to dc boost converter 0 Locked

    340 views
    1 reply
    Latest over 15 years ago
    by Jeff F
  • Not Answered

    How can I get the output voltage with DSP 0 Locked

    432 views
    0 replies
    Started over 15 years ago
    by shanhai jin
  • Suggested Answer

    TPS65930 VBUS 0 Locked

    481 views
    1 reply
    Latest over 15 years ago
    by Gandhar Dighe
  • Not Answered

    LED driver compensation 0 Locked

    664 views
    3 replies
    Latest over 15 years ago
    by Jeff F
  • Answered

    TLC5951 | A few questions 0 Locked

    686 views
    1 reply
    Latest over 15 years ago
    by ChristianHoefling
  • Not Answered

    BQ2060 and FET 0 Locked

    209 views
    0 replies
    Started over 15 years ago
    by Piotr Kowalczyk
<>