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

    UCC28180: Correct Top marking 0 Locked

    105 views
    2 replies
    Latest 6 months ago
    by Ryan Grandy
  • Suggested Answer

    TPS65219: Connecting to the AM62x 0 Locked

    102 views
    1 reply
    Latest 6 months ago
    by Sathish Vallamkonda
  • Suggested Answer

    TPS25751: Designe exemple for charge only 0 Locked

    124 views
    1 reply
    Latest 6 months ago
    by Aya Khedr
  • Suggested Answer

    TPSM5D1806E: thermal resistance parameters 0 Locked

    133 views
    2 replies
    Latest 6 months ago
    by David_Daniels
  • Suggested Answer

    TPSM843B22E: thermal parameters for Theta JB and Theta JC 0 Locked

    138 views
    2 replies
    Latest 6 months ago
    by David_Daniels
  • Suggested Answer

    TPS25750: supporting QC3.0 protocol 0 Locked

    94 views
    1 reply
    Latest 6 months ago
    by Aya Khedr
  • Suggested Answer

    TLVM23615: Enable Pin threshold voltage (VEN, rising) too low 0 Locked

    140 views
    4 replies
    Latest 6 months ago
    by Andrew Kutzler
  • Answered

    TPS3839: TPS3839G18DBZR Vhys maximum and minimum value 0 Locked

    190 views
    3 replies
    Latest 6 months ago
    by Jesse Villanueva
  • Not Answered

    BQ40Z50-R1: Flash memory data corruption? 0 Locked

    100 views
    3 replies
    Latest 6 months ago
    by Anthony
  • Not Answered

    BQ40Z50: SourceCode for the 4 bqProduction Applications 0 Locked

    91 views
    1 reply
    Latest 6 months ago
    by Anthony
  • Not Answered

    BQ27542EVM: Drop in replacement for BQ27542DRZR-G1 0 Locked

    146 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    TPS53689T: Multi phase controller 0 Locked

    242 views
    10 replies
    Latest 6 months ago
    by Calan Elaya
  • Suggested Answer

    TPS7H4010EVM: Max temperature 0 Locked

    98 views
    1 reply
    Latest 6 months ago
    by Andy Fondaw
  • Answered

    BQ27426: connecting GPOUT to ground to simplify routing 0 Locked

    391 views
    7 replies
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    TPS650332-Q1: [Question for Phil's FAQ] CRC for TPS650332-Q1 I2C writing on the PMIC side 0 Locked

    105 views
    1 reply
    Latest 6 months ago
    by Phil Yi
  • Not Answered

    BQ27621-G1: Question about software 0 Locked

    123 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    BQ79616-Q1: Difficulties in waking BQ79616 self developed board. 0 Locked

    207 views
    3 replies
    Latest 6 months ago
    by Benjamin Luty
  • Not Answered

    LM5119Q: Ageing and radiation drift for worst-case analysis in aerospace 0 Locked

    121 views
    2 replies
    Latest 6 months ago
    by Nick Zahabizadeh
  • Suggested Answer

    TPS92692-Q1: schematic review 0 Locked

    215 views
    9 replies
    Latest 6 months ago
    by Daniel Louis
  • Answered

    TPS51200: TPS51200 simulation data 0 Locked

    103 views
    1 reply
    Latest 6 months ago
    by James Steenbock
<>