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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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View FAQ threads
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  • Answered

    [FAQ] Is there a simulation model for TPS923655 / TPS923654 / TPS923653 / TPS923652? 0 Locked

    903 views
    1 reply
    Latest over 1 year ago
    by Steven Li
  • Suggested Answer

    TPS56837H: EN voltage and V-UVLO config 0 Locked

    242 views
    2 replies
    Latest over 1 year ago
    by Gui He
  • Answered

    [FAQ] Is there a calculation tool for TPS923655 / TPS923654 / TPS923653 / TPS923652? 0 Locked

    1308 views
    1 reply
    Latest over 1 year ago
    by Steven Li
  • Answered

    BQ76905EVM: Buck enable function in BQ76905EVM 0 Locked

    434 views
    2 replies
    Latest over 1 year ago
    by Vasu Poojary
  • Answered

    [FAQ] Is there a simulation model for TPS922055 / TPS922054 / TPS922053 / TPS922052? 0 Locked

    928 views
    1 reply
    Latest over 1 year ago
    by Steven Li
  • Suggested Answer

    LM3492: Can this part be used with lower LED current - 20-25mA 0 Locked

    346 views
    5 replies
    Latest over 1 year ago
    by Xiaoguang
  • Suggested Answer

    TPS562242: buck inductor calculation-query 0 Locked

    312 views
    4 replies
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    [FAQ] Is there a calculation tool for TPS922055 / TPS922054 / TPS922053 / TPS922052? 0 Locked

    1292 views
    1 reply
    Latest over 1 year ago
    by Steven Li
  • Not Answered

    TPS25942A: What will happen when Vin=3.5V and Vout=3.53V 0 Locked

    173 views
    1 reply
    Latest over 1 year ago
    by Arush Gupta
  • Answered

    BQ25883: VBUS_ADC Value +1 Locked

    241 views
    1 reply
    Latest over 1 year ago
    by Ning T
  • Suggested Answer

    LM5145-Q1: LM5145QRGYRQ1 0 Locked

    275 views
    3 replies
    Latest over 1 year ago
    by Timothy Hegarty
  • Suggested Answer

    TPS563252: Pin4 & pin6 question 0 Locked

    193 views
    1 reply
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    TLC5929: Help to provide the TLC5929 fault diagnosis reference code? 0 Locked

    193 views
    1 reply
    Latest over 1 year ago
    by Jared Zhou
  • Answered

    TPS1663: Thermal Regulation Loop 0 Locked

    194 views
    1 reply
    Latest over 1 year ago
    by Rakesh
  • Suggested Answer

    TPS562201: What is the reason of ESD performance downgrade from 3000V to 2000V? 0 Locked

    218 views
    2 replies
    Latest over 1 year ago
    by Shipeng Cheng
  • Not Answered

    LM2651: LM2651 sleep mode threshold issue 0 Locked

    234 views
    7 replies
    Latest over 1 year ago
    by Hongjia-Wu
  • Answered

    TPSM82822: TPSM828222SILR 0 Locked

    377 views
    5 replies
    Latest over 1 year ago
    by Manwoo Kim
  • Answered

    TPS25750: Cannot act as a source after dead battery flag is cleared 0 Locked

    576 views
    13 replies
    Latest over 1 year ago
    by Jeff LaBundy
  • Suggested Answer

    TPS552892: how to have it on single-layer PCB. Any concerns or recommendation about it on single-layer PCB 0 Locked

    323 views
    2 replies
    Latest over 1 year ago
    by Bryce Xun
  • Suggested Answer

    TPS552872: Loss in regulation. 0 Locked

    342 views
    3 replies
    Latest over 1 year ago
    by Bryce Xun
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