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

    SG3524: SG3524 0 Locked

    880 views
    2 replies
    Latest over 7 years ago
    by Peter Meaney
  • Suggested Answer

    LMR16006: Inductor Value 0 Locked

    500 views
    1 reply
    Latest over 7 years ago
    by Arief Hernadi
  • Suggested Answer

    TPS62130A-Q1: Duplicate pin 7 in datasheet 0 Locked

    358 views
    1 reply
    Latest over 7 years ago
    by Juergen
  • Suggested Answer

    TPS4H000-Q1: Fault Table 0 Locked

    529 views
    1 reply
    Latest over 7 years ago
    by Mahmoud Harmouch
  • Suggested Answer

    CSD18541F5: Datasheet values 0 Locked

    598 views
    1 reply
    Latest over 7 years ago
    by Brett Barr1
  • Suggested Answer

    TPS22810: CT capacitor 0 Locked

    2211 views
    10 replies
    Latest over 7 years ago
    by Max Roh
  • Not Answered

    Probelm to understand how an inverter works and their mosfets 0 Locked

    1370 views
    1 reply
    Latest over 7 years ago
    by Rafa Exposito
  • Answered

    LM5034: Feedback loop 0 Locked

    1030 views
    3 replies
    Latest over 7 years ago
    by Benjamin Lough
  • Answered

    PMP3162: Help for PMP3162 debugging. DC/DC 36~72V in, 12V/16A Active Clamp Forward. 0 Locked

    5552 views
    18 replies
    Latest over 7 years ago
    by Benjamin Lough
  • Suggested Answer

    TPS65916: PMIC On Request Generation Via Powerhold 0 Locked

    867 views
    3 replies
    Latest over 7 years ago
    by Karl Wallinger
  • Suggested Answer

    TPS62160: TPS62160 - Internal resistor values. 0 Locked

    446 views
    1 reply
    Latest over 7 years ago
    by Chris Glaser
  • Suggested Answer

    BQ76940: BMS Communication error 0 Locked

    1904 views
    5 replies
    Latest over 7 years ago
    by WM5295
  • Suggested Answer

    bq30z55 and bq Evaluation Software 0 Locked

    18120 views
    29 replies
    Latest over 7 years ago
    by Marwa Anam
  • Discussion

    UCC3973: T1 on old EVM Locked

    1129 views
    6 replies
    Latest over 7 years ago
    by Viktorija Cecil
  • Answered

    TPS544B20: DCAP2 mode, Inductor value 0 Locked

    1776 views
    9 replies
    Latest over 7 years ago
    by JohnTucker
  • Suggested Answer

    TPS562219: TPS562219 frequerency over spec 0 Locked

    2268 views
    11 replies
    Latest over 7 years ago
    by Edwin Zang
  • Suggested Answer

    TPS51220A: May we have TPS51220A reference design use in 20Vin/ 12Vout3A+5Vout/3.5A? 0 Locked

    435 views
    1 reply
    Latest over 7 years ago
    by Edwin Zang
  • Answered

    UCC29950EVM-631: Change the EVM to current mode 0 Locked

    963 views
    3 replies
    Latest over 7 years ago
    by Anthony Tran
  • Suggested Answer

    UCC2897A: Inquiry for UCC2897A Mathcad 0 Locked

    768 views
    2 replies
    Latest over 7 years ago
    by Colin Gillmor
  • Answered

    TIDA-00951: Specs of the two transformers T1 and T2 ? 0 Locked

    1442 views
    1 reply
    Latest over 7 years ago
    by Ramkumar S
<>