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

    TPS2372: TPS2372-4RGWR Single Powered Device with two POE++ 0 Locked

    217 views
    3 replies
    Latest over 1 year ago
    by Diang Xing
  • Not Answered

    TPS5430-EP: TPS5430-EP 0 Locked

    154 views
    1 reply
    Latest over 1 year ago
    by Andrew Kutzler
  • Suggested Answer

    LMR14206: Surge Current at input side. 0 Locked

    169 views
    1 reply
    Latest over 1 year ago
    by Andrew Kutzler
  • Suggested Answer

    USB-PD-CHG-EVM-01: For TPS25751D 0 Locked

    641 views
    3 replies
    Latest over 1 year ago
    by Aya Khedr
  • Suggested Answer

    BQ24780S: Charge ic 0 Locked

    168 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Answered

    BQ76972: Current and voltage calibration in mass production 0 Locked

    229 views
    1 reply
    Latest over 1 year ago
    by Thomas Rainey
  • Suggested Answer

    BQ27531-G1: New Learning Cycle 0 Locked

    2311 views
    88 replies
    Latest over 1 year ago
    by Anthony
  • Suggested Answer

    TPSF12C1-Q1: TPSF12C1 have not effect on CM noise, VINJ is saturate 0 Locked

    1251 views
    41 replies
    Latest over 1 year ago
    by Ben C
  • Suggested Answer

    TPS54340B: SW negative voltage spike 0 Locked

    274 views
    6 replies
    Latest over 1 year ago
    by Ben C
  • Answered

    LM76003-Q1: the function safety FIT Rate document 0 Locked

    331 views
    6 replies
    Latest over 1 year ago
    by Ben C
  • Suggested Answer

    LP5907-Q1: LP5907-Q1 related issues 0 Locked

    269 views
    3 replies
    Latest over 1 year ago
    by Ishaan Shetye
  • Not Answered

    BQ24780S: BQ24780S 0 Locked

    326 views
    6 replies
    Latest over 1 year ago
    by Christian Moyer
  • Answered

    TPS701: TPS70102 Package and Thermal Performance 0 Locked

    266 views
    7 replies
    Latest over 1 year ago
    by Hannah Grace
  • Suggested Answer

    TPS4H160-Q1: TPS4H160BQPWPRQ1 application circuit 0 Locked

    529 views
    1 reply
    Latest over 1 year ago
    by Timothy Logan
  • Suggested Answer

    BQ35100: SOH in EOS mode does not reflect the actual battery condition 0 Locked

    368 views
    3 replies
    Latest over 1 year ago
    by Adrian
  • Not Answered

    TPS1HC30-Q1: Datasheet Question 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by Timothy Logan
  • Answered

    BQ27427: Implementing fuel gauge on STM32, anyone have sample driver C code? 0 Locked

    406 views
    5 replies
    Latest over 1 year ago
    by Jonny
  • Answered

    TPS2HB16-Q1: I want design a circuit,combined LATCH & EN1 & EN2,when HSD fault occured,I can pull down EN1 or EN2,Latch will be pull down. Can you give me some advice? 0 Locked

    194 views
    1 reply
    Latest over 1 year ago
    by Timothy Logan
  • Answered

    BQ76952: TIDA-010208 10s-16s Battery Pack reference design 0 Locked

    475 views
    4 replies
    Latest over 1 year ago
    by mehmet özel
  • Answered

    TPS4H000-Q1: Short to Vs 0 Locked

    196 views
    1 reply
    Latest over 1 year ago
    by Timothy Logan
<>