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
  • Not Answered

    UCC14130-Q1: Start-up time 0

    36 views
    1 reply
    Latest 19 days ago
    by Shinu.V.Mathew
  • Answered

    TPS55288: output currednt 0

    65 views
    1 reply
    Latest 19 days ago
    by Mulin Yuan
  • Answered

    LM27761: Best option for generating –5 V for DRV135 in audio application 0

    91 views
    1 reply
    Latest 19 days ago
    by Varun John
  • Suggested Answer

    TPS25910: Regarding alternative of TPS25910 for 26V DC output voltage 0

    54 views
    3 replies
    Latest 19 days ago
    by Amrit Jit
  • Answered

    LM5143A-Q1: Diode emulation mode 0 Locked

    69 views
    6 replies
    Latest 19 days ago
    by Sourish Nandy
  • Answered

    BQ76952: REGIN Supply Path When MOSFETs Are Off 0

    57 views
    1 reply
    Latest 19 days ago
    by Abhijith V Narayan
  • Answered

    TPS25947: The results of power-on with load and without load are inconsistent. 0

    57 views
    1 reply
    Latest 19 days ago
    by Arush Gupta
  • Answered

    UCC27714: Higher Isolation and Lower Supply Current Driver 0

    121 views
    10 replies
    Latest 19 days ago
    by Francis Jiang
  • Answered

    LM5125-Q1: Implementation of a Four-Phase Configuration Using the LM5125 0

    44 views
    1 reply
    Latest 19 days ago
    by Feng Ji
  • Suggested Answer

    TPS62912EVM-077: Switching Frequency Changed After Keeping only minimum input/output capacitors 0

    138 views
    9 replies
    Latest 19 days ago
    by Rupayan Saha
  • Suggested Answer

    TPS2595: TPS259571DSG 0

    28 views
    1 reply
    Latest 19 days ago
    by Arush Gupta
  • Answered

    TPS2HC08-Q1: Could we detect open-load event in on-state? 0

    50 views
    2 replies
    Latest 19 days ago
    by Yoshiki Ochi
  • Suggested Answer

    BQ24702: U4 Function 0

    30 views
    1 reply
    Latest 19 days ago
    by Christian Moyer
  • Answered

    TPS25730: Power path FET turns on even when the source doesn’t support USB PD 0

    59 views
    2 replies
    Latest 19 days ago
    by Samuel Lehner
  • Suggested Answer

    TPS6594-Q1: Efficiency of the PMIC in 4-phase mode in higher temperatures 0

    112 views
    9 replies
    Latest 20 days ago
    by Jari Niemela13
  • Suggested Answer

    LM5143A-Q1: Technical Questions Regarding LM5143A-Q1 2-Phase / 4-Phase Synchronous Buck Operation 0

    295 views
    16 replies
    Latest 20 days ago
    by Onkar Bhakare
  • Answered

    BQ41Z90: Incorrect Bat pin voltage, voltage scale factor not working 0

    242 views
    15 replies
    Latest 20 days ago
    by Marco Moller
  • Suggested Answer

    TPS61288: EfficiencE and Load carrying 0

    70 views
    3 replies
    Latest 20 days ago
    by Nathan Ding
  • Suggested Answer

    TPS55287Q1EVM: How can I find GUI of TPS55287Q1EVM? 0

    33 views
    1 reply
    Latest 20 days ago
    by Mulin Yuan
  • Not Answered

    TPS923655: TPS923655 Calculation tool 0

    30 views
    1 reply
    Latest 20 days ago
    by Lucia Gao
<>