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
  • Not Answered

    BQ76PL455A: There are errors in cell 1 and cell 7 acquisition 0 Locked

    189 views
    3 replies
    Latest over 4 years ago
    by Leslie Marquez
  • Suggested Answer

    BQ35100: Incorrect SOH value 0 Locked

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

    LM5141-Q1: EN pin connection 0 Locked

    211 views
    1 reply
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    LM61460: Vout ripple 0 Locked

    421 views
    3 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Not Answered

    BQ76952: if there is a zener diode between VC16 Pin, Vbat Pin and VSS Pin integrated in the IC 0 Locked

    263 views
    1 reply
    Latest over 4 years ago
    by Matt Sunna
  • Not Answered

    LM1085: Output Voltage greater than 3.3V 0 Locked

    697 views
    1 reply
    Latest over 4 years ago
    by Jason Song
  • Suggested Answer

    LM25183: LM25183 transformer 0 Locked

    373 views
    1 reply
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    LM76003: Will the Vin has voltage because of Vout? 0 Locked

    225 views
    1 reply
    Latest over 4 years ago
    by Harrison Overturf
  • Suggested Answer

    TPS74501 Ramping input supply causes an LDO to overshoot on start-up 0 Locked

    280 views
    1 reply
    Latest over 4 years ago
    by Stephen Ziel
  • Not Answered

    TPS23881 I2C Communicate 0 Locked

    285 views
    1 reply
    Latest over 4 years ago
    by Darwin Fernandez
  • Suggested Answer

    TPS2373: PD Handshaking Issue 0 Locked

    211 views
    3 replies
    Latest over 4 years ago
    by Michael Pahl
  • Suggested Answer

    TPS769: The difference between G4 and non G4 version 0 Locked

    1629 views
    1 reply
    Latest over 4 years ago
    by Blake Soileau
  • Answered

    TPS7A33: Looking for replacement of LT3094 and LT3065 0 Locked

    708 views
    1 reply
    Latest over 4 years ago
    by Blake Soileau
  • Answered

    TPS1H000-Q1: Leakage spec on Delay pin 0 Locked

    363 views
    2 replies
    Latest over 4 years ago
    by Francisco Lauzurique
  • Answered

    TPS23861: Reason for low side fuses 0 Locked

    417 views
    1 reply
    Latest over 4 years ago
    by Darwin Fernandez
  • Suggested Answer

    BQ76952: BQ7695203 and BQ7695204 0 Locked

    577 views
    1 reply
    Latest over 4 years ago
    by David Hien
  • Not Answered

    TPS2121: switching between IN_1 and IN_2 issue 0 Locked

    327 views
    1 reply
    Latest over 4 years ago
    by dimitri james
  • Suggested Answer

    LM5163: Inverting buck fail to CCM, and >1Vpp output voltage ripple 0 Locked

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

    TPL7407L: Relationship between COM and OUTx 0 Locked

    390 views
    6 replies
    Latest over 4 years ago
    by dimitri james
  • Suggested Answer

    ULN2003A: max. output current 0 Locked

    720 views
    1 reply
    Latest over 4 years ago
    by dimitri james
<>