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

    REF6133: REF6133 - interpreting noise data 0 Locked

    497 views
    1 reply
    Latest over 6 years ago
    by Marcoo Z
  • Suggested Answer

    TPS53632G: TPS53632G dc-dc 0 Locked

    540 views
    1 reply
    Latest over 6 years ago
    by Qian Chen
  • Answered

    TPS51100: What is the function of the chip's VLDOIN and VIN? 0 Locked

    813 views
    3 replies
    Latest over 6 years ago
    by Qian Chen
  • Answered

    BQ27542-G1: How to fix the SOC 0 Locked

    269 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    TPS544C20 - information on Phase and gain margin? 0 Locked

    218 views
    2 replies
    Latest over 6 years ago
    by Mathew Jacob1
  • Suggested Answer

    BQ27750: Where do TC, FC, TD, FD, Reserve Capacity, and Termination Voltage fit into Gas Gauging? 0 Locked

    872 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Answered

    BQ34110EVM-796: Voltage Calibration issues 0 Locked

    309 views
    2 replies
    Latest over 6 years ago
    by Bryan Kahler
  • Answered

    LM5161-Q1: can use Vout = 5V at Vin = 58V ? 0 Locked

    302 views
    2 replies
    Latest over 6 years ago
    by Robert Blattner
  • Answered

    BQ27750: What do FD, FC, TD, and TC stand for in the Technical Reference Manual and on Battery Management Studio? 0 Locked

    2353 views
    2 replies
    Latest over 6 years ago
    by Josh Larkin
  • Answered

    PTH08T210W: Triming the output voltage 0 Locked

    413 views
    5 replies
    Latest over 6 years ago
    by Denislav Petkov
  • Suggested Answer

    TPS65217: connecting VDC3 to VLDO1 after programming it for 3.3V operation 0 Locked

    516 views
    1 reply
    Latest over 6 years ago
    by Brian Berner
  • Answered

    TPS53219A: ripple voltage level 0 Locked

    345 views
    1 reply
    Latest over 6 years ago
    by Mathew Jacob1
  • Answered

    TPS2378: Priority of Auxillary power over PoE 0 Locked

    1969 views
    5 replies
    Latest over 6 years ago
    by Thomas Amlee
  • Answered

    TPS544C20: Request the Design Review. 0 Locked

    305 views
    4 replies
    Latest over 6 years ago
    by Mathew Jacob1
  • Suggested Answer

    TPS92518HV: LED Distance / Cable 0 Locked

    316 views
    1 reply
    Latest over 6 years ago
    by Irwin Nederbragt
  • Answered

    TPS61194: Setting Vout against max LED Vf 0 Locked

    319 views
    2 replies
    Latest over 6 years ago
    by Brian Angiel
  • Answered

    LM5164: Efficiency vs. Inductor 0 Locked

    333 views
    1 reply
    Latest over 6 years ago
    by Robert Blattner
  • Answered

    TPS23751: Put different board for TPS23751 EVM 0 Locked

    944 views
    1 reply
    Latest over 6 years ago
    by Thomas Amlee
  • Answered

    TPS2546: TPS2546 DCP mode BC1.2 USB certification failed 0 Locked

    487 views
    3 replies
    Latest over 6 years ago
    by Chuck Branch
  • Suggested Answer

    TPS2547: TPS2547 can't charge mobile phones, IPAD 0 Locked

    343 views
    3 replies
    Latest over 6 years ago
    by Chuck Branch
<>