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

    BQ79606A-Q1: Reading each battery voltage during cell balancing 0 Locked

    268 views
    3 replies
    Latest over 1 year ago
    by Quentin Silic
  • Answered

    TLV803E: Adjustable Supply. 0 Locked

    226 views
    1 reply
    Latest over 1 year ago
    by Jesse Villanueva
  • Answered

    BQ25505: Using BQ25505 as a power converter with variable output voltage 0 Locked

    636 views
    17 replies
    Latest over 1 year ago
    by Juan Ospina
  • Not Answered

    BQ40Z80: RemCap jump at the begining of charging 0 Locked

    185 views
    3 replies
    Latest over 1 year ago
    by Anthony
  • Not Answered

    BQ40Z50-R2: BQ40Z50-R5 0 Locked

    1099 views
    38 replies
    Latest over 1 year ago
    by Anthony
  • Suggested Answer

    UCC27525: UCC27525DR, LMV358IDRG4 and LM3480IM3-5.0/NOPB 0 Locked

    294 views
    2 replies
    Latest over 1 year ago
    by Ashley Kang
  • Suggested Answer

    BQ24297: Charging IC BQ24297 0 Locked

    189 views
    1 reply
    Latest over 1 year ago
    by Garrett Kreger
  • Answered

    LM317: LDOs that do not have PSRR 0 Locked

    601 views
    13 replies
    Latest over 1 year ago
    by Hannah Grace
  • Suggested Answer

    TPS3704-Q1: Voltage transients and triggering the reset 0 Locked

    368 views
    7 replies
    Latest over 1 year ago
    by Oscar Ambriz
  • Answered

    UCC28070A: The input voltage range and output voltage range 0 Locked

    225 views
    1 reply
    Latest over 1 year ago
    by Ulrich Goerke
  • Suggested Answer

    UCD90SEQ64EVM-650: Configure the board in UCD90160 mode 0 Locked

    229 views
    1 reply
    Latest over 1 year ago
    by Anne Ngo77
  • Answered

    TPS73801-SEP: Radiation inquiry 0 Locked

    247 views
    1 reply
    Latest over 1 year ago
    by Sarah Koch
  • Suggested Answer

    LMR54410: Output voltage instability 0 Locked

    243 views
    3 replies
    Latest over 1 year ago
    by Frank De Stasi
  • Not Answered

    BQ24715: BQ24715 Charger issue 0 Locked

    332 views
    4 replies
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

    UCC27301A-Q1: recommendation for half bridge drivers and fets for 200 khz application 0 Locked

    401 views
    3 replies
    Latest over 1 year ago
    by Walter Zollinger
  • Answered

    BQ34Z110: Charging and monitoring two lead acid batteries connected in series. 0 Locked

    243 views
    1 reply
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    BQ27Z561: bq27z561 learning cycle question 0 Locked

    625 views
    12 replies
    Latest over 1 year ago
    by Adrian
  • Not Answered

    BQ79616EVM-021: i have received no reply from the board via uart, communicating directly from the mcu with bq79616 0 Locked

    350 views
    7 replies
    Latest over 1 year ago
    by Abigail Bueno
  • Not Answered

    EMB1499Q: EMB1428Q & EMB1499Q - charging only lasts for 2 seconds (instead of 8 seconds) before shutting down 0 Locked

    483 views
    9 replies
    Latest over 1 year ago
    by Abigail Bueno
  • Answered

    LM25149: LM25149RGYR 0 Locked

    318 views
    7 replies
    Latest over 1 year ago
    by Ridge Lahti
<>