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] Why does GUI show 0.2 V while the real measuring result is 0 V? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Some monitor pins of the UCD90xxx have a minor limitation on the lower range of monitoring—they…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does GUI show 0 V while the real measuring result is 2.1 V? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Each monitor rail has its Vout Exponent, which limits the maximum voltage the device shall return…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can less than three GPIs be used for PIN SELECTED RAIL STATE (PSRS)? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes, PSRS supports up to three GPIs. When the number of GPIs used for PSRS is less that the configured…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the fast GPIs and how to enable them? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx family has eight interruptible GPIs (GPIO1 through 4, 12, 16, 17, and 18) that can…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the GUI not show the correct name of the rails, GPIs, or GPOs when the board is connected to a new computer? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The names of rails, GPIs, and logic GPOs are stored in the local PC instead of the respective devices…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What happens when the fault log is full? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A There are three configurable behaviors when the fault log is full: 1. Stop logging new faults…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is a fault logged even if the fault is ignored by a glitch filter? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 A glitch filter only applies to a fault response. The fault itself is still logged. For more…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag not cleared? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The Invalid Logs flag is cleared only on the next boot up if the device does not see any corrupted…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A An invalid log bit is set when the device detects corrupted log in the flash. The log is stored…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is POWER_GOOD flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 It means that at least one monitored rail does not reach its POWER_GOOD_ON threshold. Check the…
    • over 3 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    TPS57040-Q1: Output voltage drop issue 0 Locked

    206 views
    3 replies
    Latest over 4 years ago
    by Harrison Overturf
  • Suggested Answer

    BQ40Z50: bq40z50 VB6.0 SMBus Block read & write issue 0 Locked

    970 views
    4 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    BQ40Z80: It is required that the discharge MOSFET is turned off during charging. Can this be achieved? 0 Locked

    435 views
    4 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    BQ40Z50-R2: Separate the CHG and DSG MOSFET 0 Locked

    659 views
    7 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    TPSM846C23: How to set the initial voltage to 0.85V 0 Locked

    370 views
    1 reply
    Latest over 4 years ago
    by Peter James Miller
  • Not Answered

    BQ51050B: Charging current signal 0 Locked

    184 views
    1 reply
    Latest over 4 years ago
    by Bill Johns
  • Suggested Answer

    TPS546D24: Alternate for TPS546D24 with better accuracy for Current Read out 0 Locked

    341 views
    1 reply
    Latest over 4 years ago
    by Peter James Miller
  • Answered

    UCD90120A: UCD90120A 0 Locked

    574 views
    5 replies
    Latest over 4 years ago
    by yihe
  • Answered

    TPS54620: Enable pin input voltage limit 0 Locked

    231 views
    1 reply
    Latest over 4 years ago
    by Anthony F
  • Suggested Answer

    TPS2663: Possible UVLO/OVP voltage below -0.3V? 0 Locked

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

    BQ28Z610-R1: Update Status unchanged (0x04->0x05) 0 Locked

    263 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Answered

    LM5069: Load Turn on threshold 0 Locked

    322 views
    1 reply
    Latest over 4 years ago
    by Rakesh
  • Not Answered

    TPS2662: Looking for the best product. 0 Locked

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

    TPS543620: What are Net-Tie and RBODE in the datasheet figure 8-1? 0 Locked

    900 views
    1 reply
    Latest over 4 years ago
    by Anthony F
  • Suggested Answer

    BQ25890: Please help to find 3 different Charger 0 Locked

    232 views
    3 replies
    Latest over 4 years ago
    by Jeff F
  • Answered

    12Vin and 1V/6A output with 2 bit VID control 0 Locked

    137 views
    1 reply
    Latest over 4 years ago
    by Lishuang Zhao
  • Not Answered

    TPS62175: SLEEP mode drawing more current than non-SLEEP mode? 0 Locked

    346 views
    3 replies
    Latest over 4 years ago
    by Matthew Murdock
  • Answered

    LM1084: LM1084 0 Locked

    477 views
    8 replies
    Latest over 4 years ago
    by Tom Glass
  • Answered

    BQ78350-R1A: BQ78350_R1A 0 Locked

    170 views
    2 replies
    Latest over 4 years ago
    by rens van bolderik
  • Answered

    TPS2553D: What's the different between TPS2553 / TPS2553D 0 Locked

    471 views
    1 reply
    Latest over 4 years ago
    by Ziv Zhang
<>