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

    BQ25703A: About Input Voltage Register 0 Locked

    516 views
    5 replies
    Latest over 6 years ago
    by Joel Hernandez II
  • Suggested Answer

    TPS51200: VLDOIN pin inrush current 0 Locked

    538 views
    5 replies
    Latest over 6 years ago
    by Qian Chen
  • Suggested Answer

    LP38502-ADJ: LP38502 now with CR 1A load( input 5v, output 1.2v, use EVM modify it)The waveform is weird 0 Locked

    438 views
    2 replies
    Latest over 6 years ago
    by Gerard Copeland
  • Suggested Answer

    LMZ31707: LMZ31707 UVLO 0 Locked

    422 views
    3 replies
    Latest over 6 years ago
    by Jimmy Hua
  • Answered

    What's on with Battery Management forum? 0 Locked

    288 views
    1 reply
    Latest over 6 years ago
    by Ed Walker
  • Suggested Answer

    BQ76PL455A-Q1: TI Checksum test problem 0 Locked

    940 views
    14 replies
    Latest over 6 years ago
    by Roger Hwang
  • Answered

    CSD19536KTT: Maximum thickness of plating of thermal pad 0 Locked

    437 views
    2 replies
    Latest over 6 years ago
    by Chris Bull
  • Suggested Answer

    TPS62122: Input Capacitor Selection for Long Distance Power Source 0 Locked

    2132 views
    9 replies
    Latest over 6 years ago
    by Chris Glaser
  • Answered

    BQ76940: Reading blocks of data with I2C 0 Locked

    487 views
    1 reply
    Latest over 6 years ago
    by Matt Sunna
  • Suggested Answer

    UA723: Negative Operating Temprature 0 Locked

    367 views
    1 reply
    Latest over 6 years ago
    by Blake Soileau
  • Answered

    UA78M: being used to power a ISO308x and would like reverse polarity protection. 0 Locked

    475 views
    4 replies
    Latest over 6 years ago
    by Josue Lambert
  • Answered

    BQ76940: With the I2C interface, is there a minimum time between Stop and Start? 0 Locked

    546 views
    1 reply
    Latest over 6 years ago
    by Matt Sunna
  • Suggested Answer

    TPS782: Asking for the alt. solution to replace XC6206-33 0 Locked

    468 views
    1 reply
    Latest over 6 years ago
    by Wilson Fwu
  • Suggested Answer

    Asking for the alt. solution to replace MA5625 and MA5609 0 Locked

    206 views
    3 replies
    Latest over 6 years ago
    by Frank De Stasi
  • Suggested Answer

    TPS65910: AM3358BZCZ80 + TPS65910A3A1RSLR - VRTC power consumption issue 0 Locked

    1186 views
    8 replies
    Latest over 6 years ago
    by Ahmad_Rashed
  • Suggested Answer

    TPS61090: Trouble with failure when input is unstable (battery connection is loose) 0 Locked

    278 views
    1 reply
    Latest over 6 years ago
    by Youhao Xi
  • Answered

    TPS43061: About over voltage protection 0 Locked

    205 views
    1 reply
    Latest over 6 years ago
    by Youhao Xi
  • Suggested Answer

    TPS61086EVM-526: Boost Converter ICs with externally controllable duty cycle. 0 Locked

    644 views
    1 reply
    Latest over 6 years ago
    by Youhao Xi
  • Suggested Answer

    LM317L-N: LM317L-N in WLCSP/DSBGA package: Can NC Pads be connectioned to a voltage 0 Locked

    590 views
    1 reply
    Latest over 6 years ago
    by Ryan Eslinger
  • Suggested Answer

    TPS92692: compensation / stability issue 0 Locked

    262 views
    3 replies
    Latest over 6 years ago
    by Tuan Tran74
<>