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

    TPS74401: Review request: TPS74401RGWR 0 Locked

    230 views
    5 replies
    Latest over 5 years ago
    by JCHK
  • Answered

    TPS24711: whether we can use the TPS24711 with 5v input and soft start feature 0 Locked

    289 views
    2 replies
    Latest over 5 years ago
    by Praveen GD
  • Suggested Answer

    BQ24105-Q1: BQ24105-Q1 PCB package for Altium designer 0 Locked

    270 views
    1 reply
    Latest over 5 years ago
    by Jeff F
  • Suggested Answer

    TPS25982: SIMPLIS model for TPS259827 0 Locked

    284 views
    4 replies
    Latest over 5 years ago
    by Praveen GD
  • Not Answered

    Design review 0 Locked

    170 views
    1 reply
    Latest over 5 years ago
    by Wyatt Keller
  • Suggested Answer

    LM25066IA: LM25066IAPSQ/NOPB 0 Locked

    313 views
    2 replies
    Latest over 5 years ago
    by Praveen GD
  • Answered

    UCC28070: minimum pulse time 0 Locked

    329 views
    4 replies
    Latest over 5 years ago
    by hanxu
  • Suggested Answer

    BQ25703A: BQ25703A 0 Locked

    166 views
    1 reply
    Latest over 5 years ago
    by Kedar Manishankar
  • Not Answered

    BQ20Z655-R1: Charging Issue After -30°C Discharging 0 Locked

    296 views
    4 replies
    Latest over 5 years ago
    by Wyatt Keller
  • Answered

    TL4242: TL4242 size and its application 0 Locked

    487 views
    5 replies
    Latest over 5 years ago
    by Frank Qiu
  • Suggested Answer

    TPS53312RGTR can't find any datasheet 0 Locked

    725 views
    4 replies
    Latest over 5 years ago
    by Tahar Allag
  • Answered

    LM5165: PFM or COT operation? 0 Locked

    1225 views
    4 replies
    Latest over 5 years ago
    by steve wenner
  • Answered

    TPS61088: Minimum Duty Cycle 0 Locked

    389 views
    1 reply
    Latest over 5 years ago
    by Helen chen
  • Suggested Answer

    TPS53659: TPS53659 loop combination 0 Locked

    242 views
    1 reply
    Latest over 5 years ago
    by Chasel Chen
  • Answered

    UCC28951-Q1: Problem at Debug Stage 0 Locked

    977 views
    11 replies
    Latest over 5 years ago
    by Mert Kantarcioglu
  • Suggested Answer

    LM5122EVM-2PH: Is there a Altium schematics for this EVM ? 0 Locked

    343 views
    2 replies
    Latest over 5 years ago
    by Brigitte
  • Answered

    LM5150-Q1: Standby and Status-off threshold definition 0 Locked

    331 views
    5 replies
    Latest over 5 years ago
    by Brigitte
  • Suggested Answer

    MC33063A: High voltage application 0 Locked

    148 views
    1 reply
    Latest over 5 years ago
    by Brigitte
  • Suggested Answer

    TPS2553D: Use power switch to charge super capacitor 0 Locked

    349 views
    1 reply
    Latest over 5 years ago
    by Ziv Zhang
  • Answered

    TPS77601-EP: Thermal resistance 0 Locked

    260 views
    7 replies
    Latest over 5 years ago
    by Carlo
<>