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

    BQ20Z45-R1 | What influence does the PRES pin have? 0 Locked

    443 views
    0 replies
    Started over 15 years ago
    by Antenna_Head
  • Answered

    TPS61240 | Power Pad Connection? 0 Locked

    429 views
    2 replies
    Latest over 15 years ago
    by Antenna_Head
  • Not Answered

    Please help TL 5001 PWM controller connection question 0 Locked

    314 views
    0 replies
    Started over 15 years ago
    by Marco Sai-Kit Wu
  • Answered

    TPS54620: Cannot set Vout under 6 volts 0 Locked

    989 views
    2 replies
    Latest over 15 years ago
    by JohnTucker
  • Not Answered

    LED Driver Reference Book 0 Locked

    1035 views
    1 reply
    Latest over 15 years ago
    by Jeff F
  • Answered

    TPS61166 availability? 0 Locked

    314 views
    1 reply
    Latest over 15 years ago
    by Jeff F
  • Not Answered

    Which chg/dischg rates are better to use when creating bq78PL114S12 AUX file? 0 Locked

    353 views
    0 replies
    Started over 15 years ago
    by John M
  • Not Answered

    How can I prevent large RSOC jump down to zero with bq78PL114S12 and high discharge current levels??? 0 Locked

    458 views
    2 replies
    Latest over 15 years ago
    by John M
  • Not Answered

    bq20z90 Calibration CC Gain and CC Delta floating point format?? 0 Locked

    651 views
    0 replies
    Started over 15 years ago
    by Don Carlson
  • Not Answered

    Using the BQ2031 as both an SLA charger and a DC power source 0 Locked

    378 views
    1 reply
    Latest over 15 years ago
    by Bin Chen36084
  • Answered

    24V Lithium battery design 7s19P 0 Locked

    356 views
    1 reply
    Latest over 15 years ago
    by Chase7071949597
  • Discussion

    EVSW logging error Locked

    306 views
    0 replies
    Started over 15 years ago
    by dMax
  • Answered

    TPS61085 won't go to zero volts 0 Locked

    442 views
    2 replies
    Latest over 15 years ago
    by Brigitte
  • Answered

    TPS6302x | External Syncronization 0 Locked

    434 views
    1 reply
    Latest over 15 years ago
    by Chris Glaser
  • Not Answered

    TPS23753 buck topology reference? 0 Locked

    404 views
    1 reply
    Latest over 15 years ago
    by Martin Patoka
  • Not Answered

    Re : Options for fuel Gauging Lead Acid Batteries 0 Locked

    315 views
    0 replies
    Started over 15 years ago
    by Chakras
  • Discussion

    TPS65920 - tests pins Locked

    263 views
    1 reply
    Latest over 15 years ago
    by Gandhar Dighe
  • Not Answered

    BQ20Z95 and SBS Mode 0x03 command 0 Locked

    490 views
    1 reply
    Latest over 15 years ago
    by Chase7071949597
  • Answered

    bq78PL114S12 Capacity Algorithm User Rate value...should be negative for a discharge? 0 Locked

    276 views
    2 replies
    Latest over 15 years ago
    by John M
  • Not Answered

    How to read out RSOC 0 Locked

    269 views
    0 replies
    Started over 15 years ago
    by M2
<>