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
  • Answered

    TPS65070: Ripple in TPS65070 step-down converters 0 Locked

    775 views
    4 replies
    Latest over 7 years ago
    by Madhu Wesly
  • Suggested Answer

    TPS3850: Enabling WDG after a Disable with different SET0 and SET1 Configurations 0 Locked

    604 views
    1 reply
    Latest over 7 years ago
    by Michael_DeSando
  • Suggested Answer

    BQ27742-G1: Temperature Coefficent 0 Locked

    365 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    TPS53353: Questions for TPS53353 Mode Pin Connection 0 Locked

    851 views
    6 replies
    Latest over 7 years ago
    by JohnTucker
  • Answered

    TPS55010: Confused as to the direction of the transformer in the datasheet 0 Locked

    1386 views
    2 replies
    Latest over 7 years ago
    by Anthony F
  • Suggested Answer

    TPS25942A: Under certain conditions, the Super CAP Charger IC generates noise. 0 Locked

    1513 views
    9 replies
    Latest over 7 years ago
    by Rakesh
  • Answered

    TPS22949: Datasheet clarification 0 Locked

    419 views
    1 reply
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
  • Not Answered

    TPS65070: TPS65070 power path manager maximum INPUT 0 Locked

    780 views
    5 replies
    Latest over 7 years ago
    by Brian Berner
  • Suggested Answer

    LM5022: Connecting regulated Vout of secondary winding to Vin of LM5022 0 Locked

    721 views
    5 replies
    Latest over 7 years ago
    by Youhao Xi
  • Suggested Answer

    TPS43061: Unit failing which has this switcher in RE102 0 Locked

    563 views
    5 replies
    Latest over 7 years ago
    by Youhao Xi
  • Suggested Answer

    LM5176: full load issue. 0 Locked

    693 views
    4 replies
    Latest over 7 years ago
    by Youhao Xi
  • Suggested Answer

    TPS65910: Is there the TPS65910 device OTP? 0 Locked

    581 views
    3 replies
    Latest over 7 years ago
    by Brian Berner
  • Suggested Answer

    TL431: Asking for the TL431AC and TL431AI VI(dev) spec 0 Locked

    532 views
    1 reply
    Latest over 7 years ago
    by Ethan T
  • Answered

    TPS65910: Question about the reason why there is two kinds of I2C 0 Locked

    362 views
    2 replies
    Latest over 7 years ago
    by Brian Berner
  • Answered

    TPS55010: Does this meet 60601 and 60950 requirements? 0 Locked

    458 views
    3 replies
    Latest over 7 years ago
    by Robert Helvestine
  • Answered

    BQ34110: Data memory "pack" vs "cell" and calibration scaling 0 Locked

    556 views
    2 replies
    Latest over 7 years ago
    by Peter Upczak
  • Answered

    BQ34110: What causes bqstudio error "Calibration – Pack Voltage correction is beyond allowed range" while calibrating voltage? 0 Locked

    1129 views
    5 replies
    Latest over 7 years ago
    by Peter Upczak
  • Not Answered

    BQ24610: BTST output current 0 Locked

    503 views
    2 replies
    Latest over 7 years ago
    by Jing Zou
  • Suggested Answer

    LM25122-Q1: About maximum output power 0 Locked

    696 views
    3 replies
    Latest over 7 years ago
    by Youhao Xi
  • Suggested Answer

    BQ76930: bq76930 IIC communication 0 Locked

    378 views
    1 reply
    Latest over 7 years ago
    by WM5295
<>