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

    TPS53689T: [Mitac E7142] Nonlinear function OSR & USR on GUI 0 Locked

    456 views
    1 reply
    Latest over 1 year ago
    by Jack Su
  • Suggested Answer

    UCC28C59: Convergence Error 0 Locked

    207 views
    1 reply
    Latest over 1 year ago
    by Hong Huang
  • Suggested Answer

    TPS23755EVM-894: Components power consumption distribution for thermal simulation 0 Locked

    389 views
    5 replies
    Latest over 1 year ago
    by Diang Xing
  • Suggested Answer

    BQ27426: bq27426 consumption pulses 0 Locked

    248 views
    3 replies
    Latest over 1 year ago
    by Jonny
  • Suggested Answer

    TLV809: PCN Behind for Part Marking change and DIE frame change - TLV809K33DBVR 0 Locked

    309 views
    4 replies
    Latest over 1 year ago
    by Lorena Dudman
  • Suggested Answer

    TPS25830A-Q1: data line switch 0 Locked

    292 views
    3 replies
    Latest over 1 year ago
    by Seong Kim
  • Suggested Answer

    BQ24640: BQ24640 0 Locked

    245 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

    TPS23731: PoE daisy chain presentation 0 Locked

    374 views
    1 reply
    Latest over 1 year ago
    by Diang Xing
  • Answered

    BQ20Z70-V160: The meaning of the data being 0x17 when reading data 0 Locked

    420 views
    9 replies
    Latest over 1 year ago
    by Dominik Hartl11
  • Suggested Answer

    TPS25830A-Q1: The minimum output capacitor value is confirmed. 0 Locked

    313 views
    3 replies
    Latest over 1 year ago
    by Ke Wang
  • Suggested Answer

    BQ20Z45-R1_BQEASY-SW: How to read the data flash 0 Locked

    441 views
    1 reply
    Latest over 1 year ago
    by Dominik Hartl11
  • Answered

    BQ27520-G4: Design Capacity value cannot be modified to 24000mAh,how can I modify and save this value. 0 Locked

    198 views
    1 reply
    Latest over 1 year ago
    by Dominik Hartl11
  • Not Answered

    TPS281C100: Device failure during short to ground on output 0 Locked

    257 views
    3 replies
    Latest over 1 year ago
    by Timothy Logan
  • Answered

    BQ40Z80: Clock frequency and settings for ChargingVoltage & charging current broadcast 0 Locked

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

    UC3846: Control Issues with UC3846 in Push-Pull Converter at Duty Cycles Above 0.5 0 Locked

    450 views
    5 replies
    Latest over 1 year ago
    by Steven Mappus1
  • Not Answered

    TPS1H100-Q1: How to theoretically calculate whether 1.5A transient current will result in a current limit? 0 Locked

    314 views
    3 replies
    Latest over 1 year ago
    by Timothy Logan
  • Answered

    UCC14240-Q1: Use COM-VEE to get 5V Voltage 0 Locked

    279 views
    3 replies
    Latest over 1 year ago
    by Steven Mappus1
  • Answered

    LM34936EVM: R8, C17 and R5, C7 use case 0 Locked

    174 views
    1 reply
    Latest over 1 year ago
    by Stefan Schauer
  • Not Answered

    LM5170-Q1: Current sense with Hall sensor 0 Locked

    250 views
    3 replies
    Latest over 1 year ago
    by Feng Ji
  • Suggested Answer

    UCD3138: Code conversion from UCD3138064 to UCD3138128 0 Locked

    229 views
    1 reply
    Latest over 1 year ago
    by Jonathan Wong
<>