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
  • Suggested Answer

    TPS23755: 12V output unstable... 0 Locked

    425 views
    1 reply
    Latest over 4 years ago
    by Michael Pahl
  • Answered

    TPS25200: Behavior of device with Rilim shorted or open 0 Locked

    221 views
    1 reply
    Latest over 4 years ago
    by Kunal Goel
  • Suggested Answer

    BQ25883: TS pin usage 0 Locked

    208 views
    1 reply
    Latest over 4 years ago
    by Jeff F
  • Suggested Answer

    LM5066: datasheet of SN1405006 0 Locked

    1217 views
    1 reply
    Latest over 4 years ago
    by Rakesh
  • Suggested Answer

    TPS53311: fsw abnormal 0 Locked

    361 views
    7 replies
    Latest over 4 years ago
    by Dorian Brillet de Cande
  • Suggested Answer

    TPS62240: Circuit design 0 Locked

    433 views
    9 replies
    Latest over 4 years ago
    by Dorian Brillet de Cande
  • Not Answered

    PTH05050W: Frequent failures observed at negative voltages during ESS 0 Locked

    245 views
    3 replies
    Latest over 4 years ago
    by Chris Glaser
  • Answered

    TPS62260: TPS62260 output getting short 0 Locked

    332 views
    1 reply
    Latest over 4 years ago
    by harshal dave
  • Suggested Answer

    TPS63810: Latch up information for TPS63810YFFR 0 Locked

    281 views
    4 replies
    Latest over 4 years ago
    by Jiayu Ye
  • Suggested Answer

    BQ76952: Inquiries about UL standard certification 0 Locked

    378 views
    3 replies
    Latest over 4 years ago
    by David Hien
  • Suggested Answer

    LM51551: Webench simulation issue 0 Locked

    204 views
    2 replies
    Latest over 4 years ago
    by Shaheen Makandar
  • Not Answered

    BQ4050: BQ4050 CVDE 0 Locked

    1020 views
    2 replies
    Latest over 4 years ago
    by switch
  • Not Answered

    BQ34110: MACData() read data order 0 Locked

    315 views
    2 replies
    Latest over 4 years ago
    by Gehad Elkot
  • Suggested Answer

    UCC28070A: UCC28070A 0 Locked

    371 views
    4 replies
    Latest over 4 years ago
    by David Huang33
  • Suggested Answer

    TLC5944: VUP connection when LEDs aren't being multiplexed 0 Locked

    435 views
    1 reply
    Latest over 4 years ago
    by Shawn Ding
  • Answered

    LMR16006: Power dissipation calculation 0 Locked

    218 views
    1 reply
    Latest over 4 years ago
    by Andy Chen
  • Not Answered

    TPSM82821: Pspice Simulation issue 0 Locked

    230 views
    1 reply
    Latest over 4 years ago
    by Stefano Panaro
  • Not Answered

    LM53625-Q1: LM536255 Design issue from customer 0 Locked

    212 views
    1 reply
    Latest over 4 years ago
    by Wendy Wang1
  • Answered

    LM3489: USB-C Application Feedback Network Question 0 Locked

    270 views
    2 replies
    Latest over 4 years ago
    by Daniels Kurgs
  • Suggested Answer

    UCC24636: SR timing delay 0 Locked

    373 views
    1 reply
    Latest over 4 years ago
    by Jaden Ning
<>