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

    TPS2662: /FLT pin 0 Locked

    363 views
    3 replies
    Latest over 5 years ago
    by Rakesh
  • Suggested Answer

    BQ40Z50-R3-DEVICE-FW: Feature Clarification 0 Locked

    389 views
    7 replies
    Latest over 5 years ago
    by Jack Shen2
  • Answered

    BQ40Z80: Networking to parallel connected battery packs... Possible? 0 Locked

    585 views
    3 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    UCC28019: AC to DC reference design 0 Locked

    246 views
    3 replies
    Latest over 5 years ago
    by John Griffin1
  • Suggested Answer

    TPS62811-Q1: Output Impedance Plot Across Freq to Bandwidth of Regulator 0 Locked

    261 views
    3 replies
    Latest over 5 years ago
    by Tanvee
  • Suggested Answer

    LM25145: please fix this issue 0 Locked

    275 views
    1 reply
    Latest over 5 years ago
    by Orlando Murray
  • Suggested Answer

    LM5164: Questions on Operation 0 Locked

    264 views
    1 reply
    Latest over 5 years ago
    by Orlando Murray
  • Answered

    TPS2549-Q1: PIN_4_CS set 0 Locked

    180 views
    2 replies
    Latest over 5 years ago
    by Ning
  • Suggested Answer

    LP5012: LP5012 C driver and/or sample code needed 0 Locked

    1566 views
    1 reply
    Latest over 5 years ago
    by Monet Xu
  • Not Answered

    LM4040-N: Minimum operating current 0 Locked

    439 views
    1 reply
    Latest over 5 years ago
    by Marcoo Z
  • Suggested Answer

    REF3425: Having issues while simulating in TINA, Output is 2.5MegV 0 Locked

    279 views
    1 reply
    Latest over 5 years ago
    by Marcoo Z
  • Suggested Answer

    TPS2663: Delay time from change of SHDN state to change of output voltage 0 Locked

    302 views
    3 replies
    Latest over 5 years ago
    by Rakesh
  • Answered

    BQ77915: Can I stack 5 ICs in series to get 24 cell Battery ? 0 Locked

    284 views
    2 replies
    Latest over 5 years ago
    by Anil Sudhakaran
  • Suggested Answer

    BQ24715: Battery does no charge when adapter is connected 0 Locked

    2149 views
    26 replies
    Latest over 5 years ago
    by Angelo Zhang87
  • Answered

    TPS1HB16-Q1: Enable and latch tied together 0 Locked

    242 views
    2 replies
    Latest over 5 years ago
    by Alan O
  • Answered

    TPS628610EVM-109: Consumption current/measurement method 0 Locked

    320 views
    5 replies
    Latest over 5 years ago
    by user6369530
  • Answered

    UCC21750-Q1: Active pulldown function? 0 Locked

    936 views
    5 replies
    Latest over 5 years ago
    by dimitri james
  • Answered

    LM5022: Transformer Pin Number 0 Locked

    284 views
    8 replies
    Latest over 5 years ago
    by Youhao Xi
  • Answered

    TPS61087: Quality Documents REACH 205SVHC ROHS3 0 Locked

    279 views
    6 replies
    Latest over 5 years ago
    by Helen chen
  • Not Answered

    TPS65400: VDDD issue 0 Locked

    408 views
    9 replies
    Latest over 5 years ago
    by Francis Kimpel1
<>