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

    TPS25942A: IEC62368-1 ed3 0

    34 views
    3 replies
    Latest 11 hours ago
    by Arush Gupta
  • Suggested Answer

    TPS65224Q1EVM: How to program 0

    22 views
    3 replies
    Latest 11 hours ago
    by Niko Alatalo
  • Not Answered

    LMQ644A2-Q1: LMQ644QA2-BUCK 0

    63 views
    7 replies
    Latest 11 hours ago
    by Onkar Bhakare
  • Suggested Answer

    UCC256404: help on LLC circuit schematic with using UCC256404, UCC28180, UCC24624 0

    229 views
    11 replies
    Latest 11 hours ago
    by Sougata Nayak
  • Not Answered

    LM51521-Q1: Could we use that interleaved operation? 0

    20 views
    2 replies
    Latest 11 hours ago
    by Yoshiki Ochi
  • Suggested Answer

    TPS65251: Does TI have new solution similar TPS65251? 0

    16 views
    1 reply
    Latest 11 hours ago
    by Alla Ushasri
  • Not Answered

    TPS63802: Part fails after few months of normal operation 0

    50 views
    3 replies
    Latest 11 hours ago
    by Lei Zhong
  • Not Answered

    TPS552892 review 0

    16 views
    1 reply
    Latest 12 hours ago
    by Shipeng Cheng
  • Suggested Answer

    TPS65265: Sudden failure of BUCK2 output 0

    421 views
    31 replies
    Latest 12 hours ago
    by Eviathar Ziffer
  • Not Answered

    LM51772: SCHEMATIC REVIEW / DEVICE DOESNT PROVIDE POWER 0

    31 views
    4 replies
    Latest 12 hours ago
    by Brigitte
  • Suggested Answer

    TPS54531: Please check and confirm whether the catch diode part used and its forward voltag drop is ok for PH pin of TPS54531DDAR 0

    69 views
    5 replies
    Latest 12 hours ago
    by Haseen Reddy Siripi Reddy
  • Not Answered

    TPS65137AS: After adding the load, there is no output 0

    10 views
    0 replies
    Started 12 hours ago
    by anson zhou
  • Not Answered

    TLV62130: Request for TLV62130 schematic & PCB review (IC dead phenomenon) 0

    65 views
    7 replies
    Latest 12 hours ago
    by Grady Lee
  • Not Answered

    PTH08T210W: PTH Series UL Approval 0

    18 views
    0 replies
    Started 13 hours ago
    by Markus Schrodt
  • Not Answered

    TPS23753A: TPS23753A PoE PD – VC start-up does not reach steady operation, no AUX voltage, no output (based on PMP7355 reference) 0

    120 views
    7 replies
    Latest 13 hours ago
    by servan tenik
  • Not Answered

    HD3SS3220: Adaptation issues 0

    40 views
    4 replies
    Latest 13 hours ago
    by Chu Allen
  • Suggested Answer

    TPS65987D: Question about the differences between TPS65987 and TPS25751, and research suggestions for simultaneous charging and data transfer with Samsung XCover 7 0

    49 views
    2 replies
    Latest 13 hours ago
    by Hieu Tran Trong
  • Answered

    TPS62840: Dynamically switch between two output voltages 0

    15 views
    1 reply
    Latest 13 hours ago
    by Andreas Mueller
  • Not Answered

    TPS25751: Regarding the TI's PD controller 0

    10 views
    0 replies
    Started 13 hours ago
    by Kyohei
  • Suggested Answer

    LP87745-Q1: LP87745-Q1: LP87745-Q1 Demo SW 0

    33 views
    3 replies
    Latest 13 hours ago
    by Ishtiaque Panhwar
<>