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

    4 Switch Buck-boost type-2 compensation design 0 Locked

    684 views
    3 replies
    Latest over 1 year ago
    by Haroon Wardak
  • Not Answered

    LM51561: Power Supply unable to handle load it is designed for 0 Locked

    888 views
    23 replies
    Latest over 1 year ago
    by Haroon Wardak
  • Suggested Answer

    TPS62442: TPS62442 Functional Safety 0 Locked

    199 views
    1 reply
    Latest over 1 year ago
    by Varun John
  • Not Answered

    TPS653850A-Q1: What is a correct sequence for WRITE command ? 0 Locked

    165 views
    2 replies
    Latest over 1 year ago
    by Florian Gabelle
  • Answered

    BQ27220EVM-744: Battery management studio: How to change 'Full Charge Capacity' 0 Locked

    477 views
    4 replies
    Latest over 1 year ago
    by Jari Saarelainen
  • Answered

    FusionParamReader : error An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B) 0 Locked

    1020 views
    22 replies
    Latest over 1 year ago
    by Vikas Sharma
  • Answered

    BQ79616-Q1: Cell balance using external mosfet. 0 Locked

    521 views
    4 replies
    Latest over 1 year ago
    by santhosh gowda
  • Answered

    TPS22916: TPS22916CN 0 Locked

    431 views
    2 replies
    Latest over 1 year ago
    by Andy Chau
  • Answered

    BQ25629: Please check the schematic for a battery of 350mAh 0 Locked

    239 views
    3 replies
    Latest over 1 year ago
    by Ning T
  • Answered

    TPS4811-Q1: TPS48111LQDGXRQ1 schematic review 0 Locked

    364 views
    6 replies
    Latest over 1 year ago
    by Rakesh
  • Suggested Answer

    TPS57140-Q1: Power management forum 0 Locked

    353 views
    8 replies
    Latest over 1 year ago
    by Colin Chen
  • Answered

    TPS63900: input protection diodes 0 Locked

    145 views
    1 reply
    Latest over 1 year ago
    by Tao Zhang
  • Suggested Answer

    TPS63036: TPS63036 0 Locked

    181 views
    1 reply
    Latest over 1 year ago
    by Tao Zhang
  • Suggested Answer

    TPS62933PEVM: Output Voltage Ripple questions 0 Locked

    133 views
    1 reply
    Latest over 1 year ago
    by Athos Zhao
  • Answered

    TPS2554: UL IEC 62368 0 Locked

    333 views
    6 replies
    Latest over 1 year ago
    by Seong Kim
  • Answered

    LM25183: Output Voltage is lower than design target 0 Locked

    459 views
    14 replies
    Latest over 1 year ago
    by Alan Liu15
  • Suggested Answer

    BQ76930: 如果只是使用BQ76930的SCD/OCD保护功能,是否需要使能SYS_CTRL2寄存器的CC_EN (Bit 6)? 0 Locked

    440 views
    2 replies
    Latest over 1 year ago
    by gary liu
  • Not Answered

    BQ40Z50-R1:Using the BQ40Z50-R1, discharging the battery to a low voltage results in a 200mV voltage imbalance. 0 Locked

    203 views
    4 replies
    Latest over 1 year ago
    by Yan Yu Tuan
  • Answered

    BQ25792: VSYS unstable when battery is removed and adapter remains powering the device 0 Locked

    749 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Suggested Answer

    BQ76952EVM: quesion BQ76952EVM about bqstudio data graph 0 Locked

    251 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
<>