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Power management

Power management

Power management forum

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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 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
  • [FAQ] Why are the settings not saved after device reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 You must click Write to Hardware first followed by Store RAM to Flash to store all settings into…
    • over 3 years ago
    • Power management
    • Power management forum
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  • Answered

    TPS1211-Q1: When output normal,how the voltage value change of IWRN/TMR/DIODE? 0 Locked

    255 views
    3 replies
    Latest over 1 year ago
    by Rakesh
  • Suggested Answer

    TPS552872: Plans for support in Webench and how to simulate device performance 0 Locked

    461 views
    4 replies
    Latest over 1 year ago
    by Bryce Xun
  • Answered

    BQ25792EVM: Autodetect on D+D- do not start automatically 0 Locked

    354 views
    7 replies
    Latest over 1 year ago
    by Stefano Sivera
  • Suggested Answer

    TPS1641: TPS1641 lacking UVLO 0 Locked

    931 views
    20 replies
    Latest over 1 year ago
    by Tomas Matejka
  • Answered

    TLC6C598-Q1: about Typical application achematic issue 0 Locked

    303 views
    1 reply
    Latest over 1 year ago
    by Hailee Xu
  • Not Answered

    TPS61240-Q1: schematic check 0 Locked

    234 views
    2 replies
    Latest over 1 year ago
    by Travis Wang
  • Suggested Answer

    LM74700-Q1: Design recommendation 0 Locked

    254 views
    1 reply
    Latest over 1 year ago
    by Shiven Dhir
  • Not Answered

    LM36274: I2C frequency speed support? 0 Locked

    216 views
    1 reply
    Latest over 1 year ago
    by Patrick Yao
  • Not Answered

    TPS65190: TPS652195 LDO2 connect to VDDSHV6 of AM3351 0 Locked

    239 views
    2 replies
    Latest over 1 year ago
    by Patrick Yao
  • Answered

    TPS55289EVM: TPS55289EVM: Design Files Request 0 Locked

    360 views
    4 replies
    Latest over 1 year ago
    by Bryce Xun
  • Not Answered

    TPS61099: Enable input maximum voltage 0 Locked

    264 views
    3 replies
    Latest over 1 year ago
    by Michael Pasternak
  • Suggested Answer

    TPS929160-Q1: Delay between commands 0 Locked

    236 views
    1 reply
    Latest over 1 year ago
    by Xiaoguang
  • Suggested Answer

    TPS929240-Q1: Preconfigured EEPROM 0 Locked

    484 views
    7 replies
    Latest over 1 year ago
    by Xiaoguang
  • Suggested Answer

    LM25149-Q1: 200 kHz switching frequency 0 Locked

    258 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Answered

    TPS610981: Best device for application 0 Locked

    446 views
    8 replies
    Latest over 1 year ago
    by Nini Zhong
  • Answered

    TPS61178: Alternatives to TPS61178 Boost Converter 0 Locked

    495 views
    2 replies
    Latest over 1 year ago
    by Fergus He
  • Suggested Answer

    EV2400: bqstudio ev2400- not communication 0 Locked

    1307 views
    14 replies
    Latest over 1 year ago
    by sangrok lee
  • Not Answered

    TPS25772-Q1: TPS25772-Q1--When in DP-->USB Type C connetor design, if I do not need power changer function, we do not need PD controller? 0 Locked

    475 views
    4 replies
    Latest over 1 year ago
    by CHENG KAI
  • Answered

    TPS25750: 5V present at VBUS_IN but no LDO_3V3 output (dead battery mode) 0 Locked

    237 views
    1 reply
    Latest over 1 year ago
    by Vincent Kwok
  • Not Answered

    TPS6594EVM: TPS65941111EVM boards no any output from BUCK1 and BUCK5? 0 Locked

    396 views
    8 replies
    Latest over 1 year ago
    by PO CHUN Wang
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