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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Answered

    TPS53014EVM-126: Maximum Current Change 0 Locked

    445 views
    2 replies
    Latest over 7 years ago
    by Mathew Jacob1
  • Answered

    CSD88599Q5DC: Can this replace FETs in PMP21278 0 Locked

    705 views
    1 reply
    Latest over 7 years ago
    by Brett Barr1
  • Suggested Answer

    LM5118: LM5118 0 Locked

    423 views
    2 replies
    Latest over 7 years ago
    by Jason McKay
  • Answered

    TPS74801: Current on Vbias in low load situation 0 Locked

    450 views
    1 reply
    Latest over 7 years ago
    by Ryan Eslinger
  • Answered

    LP8863-Q1: Usage of FSM_DIAGNOSTICS to detect if IC boot up correctly 0 Locked

    970 views
    8 replies
    Latest over 7 years ago
    by Salome Ramirez Carrion
  • Answered

    BQ78350-R1: sluubd3c.pdf p.61 Battery Low% and Battery_Low% 0 Locked

    888 views
    5 replies
    Latest over 7 years ago
    by WM5295
  • Suggested Answer

    BQ78350-R1: Questions about Configuring the Hardware of bq78350-R1, bqstudio and battery chemistry 0 Locked

    1682 views
    8 replies
    Latest over 7 years ago
    by WM5295
  • Answered

    TPS51116: change in tolerance on ceramic cap on c6 0 Locked

    1079 views
    3 replies
    Latest over 7 years ago
    by Qian Chen
  • Answered

    TPS51220A: Calculation of output capacitance 0 Locked

    1208 views
    8 replies
    Latest over 7 years ago
    by Roy Hsu
  • Answered

    LM5140-Q1: Components of EVM 0 Locked

    405 views
    1 reply
    Latest over 7 years ago
    by Robert Loke
  • Suggested Answer

    LM5160A: LM5160A/LM5160 Transformer design 0 Locked

    437 views
    1 reply
    Latest over 7 years ago
    by Robert Loke
  • Suggested Answer

    BQ76930: OCD and SCD trigger at same time 0 Locked

    955 views
    3 replies
    Latest over 7 years ago
    by WM5295
  • Not Answered

    bq40z50: Draining cells too fast 0 Locked

    3741 views
    15 replies
    Latest over 7 years ago
    by Kevin Knicker
  • Answered

    LM5022: Oscillation concern/question on SW node 0 Locked

    818 views
    2 replies
    Latest over 7 years ago
    by Mark Pearson
  • Answered

    BQ76940: Reading value unstable 0 Locked

    313 views
    1 reply
    Latest over 7 years ago
    by WM5295
  • Answered

    LM27762: Power Good (PG) Output Sinking Current Limit 0 Locked

    822 views
    4 replies
    Latest over 7 years ago
    by Cletus
  • Answered

    BQ24618: Battery-Detection Flow Chart 0 Locked

    557 views
    1 reply
    Latest over 7 years ago
    by Jing Zou
  • Suggested Answer

    BQ24650: BQ24650 mosfet select issue , i select IRFR7546,Vgs=2.1-3.7,Vds=Vgs Id=100uA. the BQ24650 datasheet 9.2.2.4 show there is 6v, but dont have Current ,? if the IRFR 0 Locked

    404 views
    1 reply
    Latest over 7 years ago
    by Jing Zou
  • Suggested Answer

    TPS23861: Tps23861 USES semi auto, disconnects I2C, and some tps23861 boards can be supplied with power, and some cannot. 0 Locked

    611 views
    4 replies
    Latest over 7 years ago
    by Penny Xu
  • Answered

    UCD90160A: UCD90160A - Current monitoring 0 Locked

    616 views
    1 reply
    Latest over 7 years ago
    by yihe
<>