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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

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

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

    TPS1663: Thermal Regulation Loop 0 Locked

    199 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

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

    LM2651: LM2651 sleep mode threshold issue 0 Locked

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

    TPSM82822: TPSM828222SILR 0 Locked

    386 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

    586 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

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

    TPS552872: Loss in regulation. 0 Locked

    349 views
    3 replies
    Latest over 1 year ago
    by Bryce Xun
  • Suggested Answer

    TPS563201: TPS563201 0 Locked

    648 views
    11 replies
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    by Shipeng Cheng
  • Suggested Answer

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    431 views
    3 replies
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    by minji zhang
  • Answered

    BQ25895M: BQ25895M: On the BTST pin PWM question 0 Locked

    460 views
    9 replies
    Latest over 1 year ago
    by xien
  • Suggested Answer

    BQ25638: ADSP 0 Locked

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

    LM317: design proposal to implement 0~23V output with LM317 0 Locked

    362 views
    8 replies
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    by Kelsey Farr
  • Not Answered

    TPS65910: VRTC_LDO voltage fluctuation (Please help ASAP) 0 Locked

    882 views
    25 replies
    Latest over 1 year ago
    by Field Tolson
  • Answered

    TPS25751: Does it possible to send the Hard Reset CMD to the port partner? 0 Locked

    448 views
    6 replies
    Latest over 1 year ago
    by Kevin Kosta
  • Suggested Answer

    TPS65982BB: how to config TPS65982BB by GUI and make it function 0 Locked

    670 views
    21 replies
    Latest over 1 year ago
    by Kevin Kosta
  • Answered

    BQ24123: How to use GND pin 0 Locked

    215 views
    2 replies
    Latest over 1 year ago
    by ?? ??
  • Suggested Answer

    TPS25751: Waiting for technical support got very long 0 Locked

    144 views
    1 reply
    Latest over 1 year ago
    by Conner Gillette
  • Not Answered

    TPS65994AE: The behavior of the TPS65994 Pin.D1(I2C_EC_IRQ) on two ports is different action. 0 Locked

    284 views
    2 replies
    Latest over 1 year ago
    by Aya Khedr
  • Suggested Answer

    TPS25750EVM: Issue when replaced IC in EVK 0 Locked

    278 views
    2 replies
    Latest over 1 year ago
    by Aya Khedr
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