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

    LM63615-Q1: Output voltage accuracy 0 Locked

    202 views
    1 reply
    Latest over 4 years ago
    by J Arrigo
  • Answered

    UCC28780: Could not get a stable burst close to transition from ABM to AAM 0 Locked

    329 views
    2 replies
    Latest over 4 years ago
    by Julien MENAGE
  • Answered

    UCC28780: Startup issue with small load connected (5% Pmax) 0 Locked

    204 views
    2 replies
    Latest over 4 years ago
    by Julien MENAGE
  • Answered

    UCC27712-Q1: how to use UCC27712-Q1 to act as a high side gate driver? 0 Locked

    492 views
    1 reply
    Latest over 4 years ago
    by Richard Herring
  • Suggested Answer

    LM2940C: Is there max. restriction for input capacitor? 0 Locked

    234 views
    1 reply
    Latest over 4 years ago
    by Kyle Van Renterghem
  • Not Answered

    LP5907: LP5907UVX-1.8/NOPB soft start source current 0 Locked

    220 views
    1 reply
    Latest over 4 years ago
    by Kyle Van Renterghem
  • Suggested Answer

    TPS53647: schematic review for XCVU47P Ultrascale+ VCCINT core supply @ 0.9V - 130A 0 Locked

    344 views
    5 replies
    Latest over 4 years ago
    by Rama Pamidi
  • Answered

    TPS23730: TPS23730 max power capacity 0 Locked

    371 views
    3 replies
    Latest over 4 years ago
    by Brett Colteaux
  • Answered

    TPS40170: TRK and FB voltage differences with TRK voltages closer to 0.6V? 0 Locked

    421 views
    4 replies
    Latest over 4 years ago
    by Bill Argabright
  • Answered

    BQ34110EVM-796: Current calibration and measuring Issues 0 Locked

    606 views
    25 replies
    Latest over 4 years ago
    by Maximiliano Libby
  • Answered

    BQ24210: Cant this charger be used with a 2 cell Lipo Pack 0 Locked

    298 views
    2 replies
    Latest over 4 years ago
    by James Davis3
  • Suggested Answer

    BQ25505: BQ25505 BMS chip Battery protection availability 0 Locked

    989 views
    13 replies
    Latest over 4 years ago
    by Jeff F
  • Answered

    BQ40Z50-R2: OC bit set toward end of charge 0 Locked

    254 views
    4 replies
    Latest over 4 years ago
    by Kevin H.
  • Answered

    BQ24160: bq24160 -IEC62368-G. 9 0 Locked

    301 views
    1 reply
    Latest over 4 years ago
    by Jeff F
  • Suggested Answer

    UCC28911: Non-insulated design capable of output 2.5W (5V, 0.5A) 0 Locked

    580 views
    3 replies
    Latest over 4 years ago
    by Mike O'
  • Answered

    TPS53681: Tps53681 related issues 0 Locked

    326 views
    5 replies
    Latest over 4 years ago
    by Matt Schurmann
  • Answered

    BQ24040: PG signal behaviour doesn't match datasheet 0 Locked

    341 views
    6 replies
    Latest over 4 years ago
    by Dmitry Krivetskov
  • Answered

    OR function between two supply voltages 0 Locked

    145 views
    1 reply
    Latest over 4 years ago
    by Praveen GD
  • Answered

    BQ25713EVM-017: Altium files 0 Locked

    309 views
    2 replies
    Latest over 4 years ago
    by David McCoy
  • Suggested Answer

    TPS56637: Ripple calculation in Eco mode 0 Locked

    223 views
    1 reply
    Latest over 4 years ago
    by Andrew Xiong
<>