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] What are restart (retry) and re-sequence?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Restart only disable-then-enable the faulted rail to see whether it can recover from the previous fault. Restart…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the fault shutdown slaves?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120 , UCD90124 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD9090A , UCD90124A , UCD90320 Fault shutdown slaves are the salve rails of the faulted rail. Each rail can have its own fault…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] How should users implement a power-down sequence when the rails ON_OFF_CONFIG are set to AUTO Mode?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Auto Enable means the UCD90xxx device automatically sequences on rails once the device is powered up. It is…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the GPI not turn off the rails when it is de-asserted if the GPI is configured as a rail's sequence-off dependency? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90160 , UCD90124 , UCD90320 , UCD90124A Each rail has its own ON/OFF Config setting. In the setting, there are three sources that can control…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Is packet error code required by the PMBus master? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 It is optional. UCD90xxx devices send and receive a packet error code (PEC) if the PMBus host supports it.…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Is clock stretching required by the PMBus master? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes. UCD90xxx devices may hold clock low while processing the PMBus inquiry. According to PMBus specifications…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSM84824: How to calculate FIT rate for this module?

    Gerold Dhanabalan - High Performance Radar
    Gerold Dhanabalan - High Performance Radar
    Part Number: TPSM84824 For modules, the FIT is calculated differently. This is a module assembly made of up individual components (unlike solid state silicon). As such this reliability prediction is based on TR-NWT-332 Reliability prediction model that…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSM846C24: How to calculate the FIT rate for this module?

    Gerold Dhanabalan - High Performance Radar
    Gerold Dhanabalan - High Performance Radar
    Part Number: TPSM846C24 For modules, the FIT is calculated differently. This is a module assembly made of up individual components (unlike solid state silicon). As such this reliability prediction is based on TR-NWT-332 Reliability prediction model…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are there no undervoltage faults? For some reason, the rails do not start. UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx only starts to monitor undervoltage (UV) faults after the rail voltage reaches the Power Good…
    • over 4 years ago
    • Power management
    • Power management forum
  • [FAQ] Why do the rails not start or stop? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 First, check if the EN pin output from the UCD90xxx is at the correct state. If not, it means the On/Off Config…
    • over 4 years ago
    • Power management
    • Power management forum
<>

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

    TLC5955: Writing MC max current data 0 Locked

    349 views
    1 reply
    Latest over 7 years ago
    by Kenneth Du
  • Answered

    PMP7804: Power supply module for kintex 7 0 Locked

    1191 views
    2 replies
    Latest over 7 years ago
    by Vijay bansal
  • Not Answered

    UCD3138ALLCEVM150: Error encountered when the firmware is loaded by Digital Power Studio 0 Locked

    789 views
    2 replies
    Latest over 7 years ago
    by user5285469
  • Answered

    BQ27320: changing battery pack to new one -2 0 Locked

    809 views
    3 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    LMR70503: Minimum Output Voltage 0 Locked

    515 views
    2 replies
    Latest over 7 years ago
    by Don Schelle
  • Suggested Answer

    UCD3138: Questions about the void disable_current_sharing(void) function in UCD3138 full-bridge hard-switch evaluation board firmware 0 Locked

    387 views
    2 replies
    Latest over 7 years ago
    by zoujiangyilang
  • Suggested Answer

    TPS40210: Webench Cannot Create Design 0 Locked

    823 views
    8 replies
    Latest over 7 years ago
    by Youhao Xi
  • Answered

    LM53625-Q1: How many bits does the linear feedback shift register have? 0 Locked

    421 views
    3 replies
    Latest over 7 years ago
    by Brani Dubocanin
  • Answered

    Is there any TI device for totempole PFC? 0 Locked

    515 views
    2 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Suggested Answer

    TPS7B63-Q1: Side effects for R_ROSC 2k...10kOhm as watchdog 0 Locked

    587 views
    5 replies
    Latest over 7 years ago
    by Ryan Eslinger
  • Suggested Answer

    TPS783: One of two GND pins floating 0 Locked

    545 views
    1 reply
    Latest over 7 years ago
    by Jason Song
  • Suggested Answer

    BQ25703A: Help verify schematic design 0 Locked

    540 views
    2 replies
    Latest over 7 years ago
    by Allen Mari Pilares
  • Suggested Answer

    BQ78350-R1: BQ78350 Communication issue 0 Locked

    543 views
    3 replies
    Latest over 7 years ago
    by WM5295
  • Answered

    UCC256301: How to calculate compensation of TLV431 for 40V,3A application 0 Locked

    808 views
    3 replies
    Latest over 7 years ago
    by Benjamin Lough
  • Suggested Answer

    TPS22990: Maximum Value for CT 0 Locked

    466 views
    1 reply
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
  • Suggested Answer

    BQ30Z55- Battery Management Chip 0 Locked

    6087 views
    2 replies
    Latest over 7 years ago
    by Chris Rich
  • Answered

    LM5145: 100% duty Cycle buck 0 Locked

    614 views
    1 reply
    Latest over 7 years ago
    by Timothy Hegarty
  • Answered

    UCC28780: More questions about Mathcad worksheets 0 Locked

    936 views
    2 replies
    Latest over 7 years ago
    by Gerrit Barrere
  • Suggested Answer

    WEBENCH® Tools/BQ34Z100EVM: regarding doubt what values should be updated to bqstudio , to perform learning cycle. 0 Locked

    600 views
    2 replies
    Latest over 7 years ago
    by Swaminathan Ramanathan75031
  • Answered

    Hexadecimal 7-Segment Display Driver 0 Locked

    3477 views
    4 replies
    Latest over 7 years ago
    by Anonymous
<>