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] Is an RC filter needed for a V33A rail? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 V33A supplies power to voltage reference and ADC blocks inside the device. A large ripple on V33A…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are pulldown resistors needed on EN pins? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Pulldown resistors on EN pins are needed in some situations. When the UCD90xxx device is in reset…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the states of IO pins when the UCD90xxx is under reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A All IO pins of the UCD90320U, UCD90320, and UCD90240 devices are Hi-Z state. For the rest of the…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are the decoupling capacitors needed on MON pins? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Decoupling capacitors on MON pins are recommended. MON pins are ADC channels. There is no internal…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can the RESET pin be used to sequence off rails? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 No. Unlike analog devices, RESET pin of the UCD90xxx resets its digital core abruptly. All GPIO…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Is the PMBus connector for the Fusion GUI still required if a PMBus host is already available on the board? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Although it is optional, it is always recommended to have a PMBus connector to connect the Fusion…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Are there any application notes for margining function? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes. TI has provided the following application notes to design voltage margining: • Design Voltage…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] When does the UCD90xxx start rail margining?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx only starts the margining when the desired rails reach its POWER_GOOD threshold and…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Does the UCD90xxx family support voltage margining?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes. The UCD90xxx family employs a PWM method to do voltage margining. Compared to the DAC method…
    • over 3 years ago
    • Power management
    • Power management forum
  • [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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    TPS23750: Inrush Limit 0

    9 views
    0 replies
    Started 19 hours ago
    by Shuji Ishiwata
  • Not Answered

    BQ27Z746: protector configuration is modified in protector hardware registers after device has already been programming. 0

    24 views
    2 replies
    Latest 19 hours ago
    by Amber Si
  • Answered

    TPSM8D6B24: [TPSM8D6B24] Interconnection for AGND_A and AGND_B 0

    97 views
    3 replies
    Latest 19 hours ago
    by Jerry Shen
  • Suggested Answer

    TLC5916-Q1: Regarding Safety Critical Tell tale drving fro ASILB Instrument cluster applciation 0

    144 views
    12 replies
    Latest 20 hours ago
    by Jane Ye
  • Not Answered

    BQ27520-G4: A learning cycle for creating a golden image 0

    39 views
    2 replies
    Latest 20 hours ago
    by Masashi Mineda
  • Not Answered

    BQ40Z80: CTOS and IN being set during charging 0

    34 views
    2 replies
    Latest 20 hours ago
    by Daniel Librio
  • Not Answered

    TPS62A04B: The switch frequency goes to much higher during 0.5A-1.2A output current 0

    157 views
    12 replies
    Latest 21 hours ago
    by Paul Archer
  • Suggested Answer

    LM74912-Q1: the mechanism why the voltage/current is occured 0

    93 views
    3 replies
    Latest 21 hours ago
    by R.Fukunaga
  • Not Answered

    LM5137F-Q1: Is it possible to synchronize LM5137F with LM5146? 0

    24 views
    0 replies
    Started 1 day ago
    by Nicole Wen
  • Not Answered

    BQ25750: SYS output hiccupping (rises toward 48 V then collapses to ~4 V), no charging from adapter or battery +1

    384 views
    19 replies
    Latest 1 day ago
    by sabith ch
  • Suggested Answer

    LMR60430-Q1: Texas_Instruments_LMR604305SRAKRQ1 0

    107 views
    10 replies
    Latest 1 day ago
    by Vinyas Shetty
  • Answered

    TPS7H4010-SEP: TPS7H4010MRNPTSEP 0

    103 views
    6 replies
    Latest 1 day ago
    by Roi Kobo
  • Not Answered

    UCC27423: What is the maximum value that UCC27423 can withstand on output pin? 0

    21 views
    0 replies
    Started 1 day ago
    by Harry Ma
  • Suggested Answer

    UCC28C40: UCC28C40: 0

    132 views
    11 replies
    Latest 1 day ago
    by Hong Huang
  • Not Answered

    BQ40Z50-R2: equation of smart temperature to determine min/max seems to do no effect 0

    161 views
    7 replies
    Latest 2 days ago
    by Cedric Milleret
  • Suggested Answer

    BQ76952: Pin34 of the BQ76952 chip as VDD50.When initializing the BQ76952, VDD50 drop to 0V for about tens of milliseconds 0

    213 views
    12 replies
    Latest 2 days ago
    by Rohin Nair
  • Answered

    BQ76952:BQ7695202 0

    151 views
    10 replies
    Latest 2 days ago
    by Rohin Nair
  • Answered

    BQ51013C: Guidance for selecting appropriate wireless receiving coil 0

    91 views
    8 replies
    Latest 2 days ago
    by arjun chaurasiya
  • Answered

    PTH08T210W: PTH Series UL Approval 0

    47 views
    2 replies
    Latest 2 days ago
    by Markus Schrodt
  • Not Answered

    BQ77207: Usage with BQ40z80 0

    32 views
    1 reply
    Latest 2 days ago
    by OverAgent712
<>