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

    TPS61158: LCD backlight driver 0 Locked

    248 views
    8 replies
    Latest 6 months ago
    by Patrick Yao
  • Answered

    TPSM63603: Failure In time rate 0 Locked

    93 views
    1 reply
    Latest 6 months ago
    by Niranjan Nair
  • Answered

    LM5164: Can EN/UVLO pin be driven to 3.3V when VIN=0V 0 Locked

    106 views
    2 replies
    Latest 6 months ago
    by Antonios Sarros
  • Suggested Answer

    TPSM63608: RFB 0 Locked

    152 views
    6 replies
    Latest 6 months ago
    by Niranjan Nair
  • Suggested Answer

    LP87745: Writing into watchdog disable bit 0 Locked

    144 views
    3 replies
    Latest 6 months ago
    by Ishtiaque Panhwar
  • Answered

    TPS628502-Q1: what is the voltage regulation tolerance of fixed versions? 0 Locked

    130 views
    1 reply
    Latest 6 months ago
    by Farheen
  • Answered

    BQ25750: VAC input line protection 0 Locked

    117 views
    2 replies
    Latest 6 months ago
    by Ben
  • Answered

    LP5860: LP5860 0 Locked

    107 views
    2 replies
    Latest 6 months ago
    by Cristian Stronati
  • Not Answered

    TPS92630-Q1: Question about TPS92630-Q1 0 Locked

    148 views
    3 replies
    Latest 6 months ago
    by Hailee Xu
  • Not Answered

    TPS61379-Q1: OUT capacitor Value 0 Locked

    63 views
    1 reply
    Latest 6 months ago
    by Lei Zhong
  • Answered

    TPS92691-Q1: Recommended LED driver solutions 0 Locked

    360 views
    6 replies
    Latest 6 months ago
    by Vayne Li
  • Not Answered

    TPS923653: CC/CV backup capacitor charger 0 Locked

    124 views
    3 replies
    Latest 6 months ago
    by Steven Li
  • Not Answered

    LM5177: Output voltage is less than 1V and VCC is at ~1V instead of 5V 0 Locked

    289 views
    11 replies
    Latest 6 months ago
    by Stefan Schauer
  • Not Answered

    TPS2121 Multiple controller to one battery charger via power mux 0 Locked

    341 views
    3 replies
    Latest 6 months ago
    by Kunal Goel
  • Not Answered

    TPS61289: Vout fail 0 Locked

    223 views
    4 replies
    Latest 6 months ago
    by Fergus He
  • Suggested Answer

    TPS2121: SWITCHING TIME ISSUE 0 Locked

    192 views
    1 reply
    Latest 6 months ago
    by Kunal Goel
  • Not Answered

    TPS61087: TPS61087QDRCRQ1 0 Locked

    79 views
    1 reply
    Latest 6 months ago
    by Fergus He
  • Answered

    TLC5916-Q1: I2C to 20kHz PWM Signal Generator 0 Locked

    519 views
    14 replies
    Latest 6 months ago
    by Jared Zhou
  • Suggested Answer

    TL7660: Output Voltage Accuracy / Tolerance 0 Locked

    84 views
    1 reply
    Latest 6 months ago
    by Nini Zhong
  • Answered

    TPS2640: IMON resistor referenced to GND +1 Locked

    127 views
    3 replies
    Latest 6 months ago
    by Amrit Jit
<>