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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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  • Not Answered

    TPS552882: Intermittent Failure on Power-On 0 Locked

    309 views
    5 replies
    Latest over 1 year ago
    by Bryce Xun
  • Not Answered

    LM7481-Q1: schmatic review 0 Locked

    294 views
    5 replies
    Latest over 1 year ago
    by Shiven Dhir
  • Not Answered

    TPS63806: BUCK-BOOST roadmap question 0 Locked

    300 views
    5 replies
    Latest over 1 year ago
    by Tao Zhang
  • Not Answered

    TPS25730: Continuous support 100W 0 Locked

    136 views
    0 replies
    Started over 1 year ago
    by Will Wang47
  • Suggested Answer

    TPS62A01: UL94 V0 certification 0 Locked

    169 views
    1 reply
    Latest over 1 year ago
    by Moheddin Pasha Shaik
  • Not Answered

    TPS2124: TPS2124 output voltage issues 0 Locked

    231 views
    4 replies
    Latest over 1 year ago
    by Kunal Goel
  • Answered

    BQ24079: BQ24079 0 Locked

    233 views
    2 replies
    Latest over 1 year ago
    by Shraddha M
  • Answered

    TLV809E: What is the input resistance on VDD pin 0 Locked

    301 views
    2 replies
    Latest over 1 year ago
    by Francois Arnaud
  • Answered

    TPSM82816: TPSM82816 PG pin may be low during normal operation 0 Locked

    212 views
    2 replies
    Latest over 1 year ago
    by ryo kobayashi
  • Answered

    LM5156H-Q1: LM5156HQPWPRQ1 0 Locked

    262 views
    4 replies
    Latest over 1 year ago
    by Yadala Tejasri
  • Suggested Answer

    TPS7A69-Q1: PG and SO pin overvoltage +1 Locked

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

    TPS2660: UL94 V0 certification 0 Locked

    165 views
    1 reply
    Latest over 1 year ago
    by Amrit Jit
  • Suggested Answer

    TPS562203: schematic review 0 Locked

    259 views
    2 replies
    Latest over 1 year ago
    by Lucia Gao
  • Not Answered

    TPS2595: TPS259531- schematic check 0 Locked

    162 views
    1 reply
    Latest over 1 year ago
    by Arush Gupta
  • Not Answered

    TPS55289: TPS55289 0 Locked

    269 views
    3 replies
    Latest over 1 year ago
    by Mulin Yuan
  • Answered

    UCD3138OL64EVM-031: JTAG Debug issue 0 Locked

    257 views
    2 replies
    Latest over 1 year ago
    by Parrish Huang
  • Not Answered

    TPS92391: 92391 Confirm the timing relationship between PWM and EN. 0 Locked

    164 views
    1 reply
    Latest over 1 year ago
    by Patrick Yao
  • Suggested Answer

    LM7310: C_out seleect 0 Locked

    232 views
    2 replies
    Latest over 1 year ago
    by Arush Gupta
  • Not Answered

    UCC21750-Q1: POWER SUPPLY C 0 Locked

    368 views
    5 replies
    Latest over 1 year ago
    by Sasikala Thangam
  • Answered

    BQ25758: Inductor Design for Buck Boost Converter for USB EPR Designs up to 48V/5A/240W 0 Locked

    602 views
    4 replies
    Latest over 1 year ago
    by Saunak Bhalsod2
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