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
  • Answered

    LM3478: it doesn't work 0 Locked

    352 views
    5 replies
    Latest over 1 year ago
    by Niklas Schwarz
  • Not Answered

    TPS758: TPS75833KC 0 Locked

    278 views
    4 replies
    Latest over 1 year ago
    by Puspam Nayak
  • Answered

    TPSM84624: The value of Package Body thickness for bake condition 0 Locked

    232 views
    3 replies
    Latest over 1 year ago
    by user6004480
  • Answered

    BQ76940: The drive circuit of Charge FET 0 Locked

    252 views
    2 replies
    Latest over 1 year ago
    by yuji.S
  • Answered

    LMR51420: EMI input filter for buck converter 0 Locked

    638 views
    2 replies
    Latest over 1 year ago
    by Lothar Kulzer
  • Answered

    TPS7A45: Drive shutdown pin with battery/USB and pull down resistor 0 Locked

    227 views
    2 replies
    Latest over 1 year ago
    by AyubowanPro
  • Answered

    TPS61170: Recommended inductors 0 Locked

    326 views
    4 replies
    Latest over 1 year ago
    by Lei Zhong
  • Suggested Answer

    BQ79731Q1EVM-060: PBQ79731RGYRQ1 0 Locked

    420 views
    10 replies
    Latest over 1 year ago
    by Huajian Li
  • Suggested Answer

    TPS65270: Seeking Dual-Output Buck Converter Recommendation (12V/5V) for 16V-20V Battery 0 Locked

    376 views
    4 replies
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    TPS56837: How to deal with the exposed pin of TPS56837 0 Locked

    223 views
    1 reply
    Latest over 1 year ago
    by Gui He
  • Answered

    LM2665: Polarity of SD Shutdown Signal 0 Locked

    245 views
    2 replies
    Latest over 1 year ago
    by Nini Zhong
  • Answered

    BQ34Z100EVM: Help finding the right firmware for BQ studio 0 Locked

    391 views
    2 replies
    Latest over 1 year ago
    by Stina Starborg
  • Answered

    BQ76952EVM: BQ76952 RAM register 0 Locked

    260 views
    2 replies
    Latest over 1 year ago
    by mehmet özel
  • Suggested Answer

    LM317MQ: Request for Operating temp and AEC status 0 Locked

    229 views
    3 replies
    Latest over 1 year ago
    by Aaron Paxton
  • Answered

    BQ34Z100-G1: Learning cycle & Golden Image - post procedure clarification. 0 Locked

    348 views
    2 replies
    Latest over 1 year ago
    by Steven Moses Dosapati Christopher
  • Answered

    TPSM82903: parallel connection 0 Locked

    207 views
    2 replies
    Latest over 1 year ago
    by user6004480
  • Not Answered

    TPS929240-Q1: difference between 929240AQ and 929240Q 0 Locked

    259 views
    2 replies
    Latest over 1 year ago
    by Daniel Wang (auto)
  • Suggested Answer

    TPS1211-Q1: I use TPS12111LQDGXRQ1 in my design, I want to know whether the IC support MOS soft start?If support,how much sort start time? 0 Locked

    346 views
    7 replies
    Latest over 1 year ago
    by Rakesh
  • Suggested Answer

    TPS61161: Request MTBF Datasheet 0 Locked

    197 views
    2 replies
    Latest over 1 year ago
    by Patrick Yao
  • Not Answered

    TPS53679: Power sequencer 5V can power up after 12V or not ? 0 Locked

    237 views
    1 reply
    Latest over 1 year ago
    by Richard Yang1
<>