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 3 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 3 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 3 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 3 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 3 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 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSM84824: How to calculate FIT rate for this module?

    Gerold Dhanabalan - Online Design Tools
    Gerold Dhanabalan - Online Design Tools
    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 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSM846C24: How to calculate the FIT rate for this module?

    Gerold Dhanabalan - Online Design Tools
    Gerold Dhanabalan - Online Design Tools
    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 3 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 3 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 3 years ago
    • Power management
    • Power management forum
<>

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

    TLC59116 with two power sources 0 Locked

    529 views
    1 reply
    Latest over 8 years ago
    by Harry Kennedy1
  • Answered

    Difference between TLC59116IPWR and TLC59116ITPPWR Q1 0 Locked

    440 views
    1 reply
    Latest over 8 years ago
    by Harry Kennedy1
  • Not Answered

    TL494 Standby Supply Current 0 Locked

    681 views
    2 replies
    Latest over 8 years ago
    by Brian Johnson96
  • Not Answered

    Another watchdog request: Only a single GPIO control input, single reset out 0 Locked

    389 views
    1 reply
    Latest over 8 years ago
    by Mark Sellers
  • Answered

    LMR61428 - output capacitance 0 Locked

    1205 views
    5 replies
    Latest over 8 years ago
    by Akshay Mehta
  • Answered

    BQ24210 EN_N tied to PG_N without pullup ok? 0 Locked

    727 views
    2 replies
    Latest over 8 years ago
    by Jeff F
  • Answered

    LMR14020 / tonmin(max) 0 Locked

    671 views
    1 reply
    Latest over 8 years ago
    by Akshay Mehta
  • Not Answered

    CSD75208 | Need recommended PCB geometries 0 Locked

    794 views
    2 replies
    Latest over 8 years ago
    by Antenna_Head
  • Not Answered

    BQ24450, AGM Battery Charging 0 Locked

    400 views
    0 replies
    Started over 8 years ago
    by Larry Brick
  • Suggested Answer

    UCD90160 - Use project file separate from original system file 0 Locked

    553 views
    2 replies
    Latest over 8 years ago
    by Jonathan Bender
  • Not Answered

    Why I cant increase IOUT_OC_FAULT_LIMIT (0x46) on the GUI 0 Locked

    545 views
    1 reply
    Latest over 8 years ago
    by Ulrich Goerke
  • Not Answered

    Can not understand BQ26220 0 Locked

    619 views
    2 replies
    Latest over 8 years ago
    by zeeshan shafiq
  • Answered

    BQ24160RGET MRI Safe? 0 Locked

    826 views
    3 replies
    Latest over 8 years ago
    by Jeff F
  • Answered

    TPS3809K33 // Maximum Tj 0 Locked

    660 views
    1 reply
    Latest over 8 years ago
    by Ryan Eslinger
  • Not Answered

    LM5175 0 Locked

    1994 views
    10 replies
    Latest over 8 years ago
    by Vijay86929
  • Answered

    TPS68470 WLED_NTC unused 0 Locked

    537 views
    2 replies
    Latest over 8 years ago
    by Michael Green
  • Suggested Answer

    TPS650830 OrCAD file... 0 Locked

    877 views
    5 replies
    Latest over 8 years ago
    by Michael Green
  • Not Answered

    BQ29209 Problem 0 Locked

    381 views
    1 reply
    Latest over 8 years ago
    by Roger Hwang
  • Not Answered

    The output capacitor of TPS2042B 0 Locked

    837 views
    4 replies
    Latest over 8 years ago
    by Eric Wright
  • Answered

    UCC2863x fault cause codes 0 Locked

    1828 views
    3 replies
    Latest over 8 years ago
    by Patrick York
<>