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] How do users validate the flash content after programming? UCD90xxx

    Sam
    Sam
    To verify data flash content, use one of the following methods. By using a data flash script generated by the Fusion GUI, you have the option to include flash read back and check value. 1. After a device reset, if flash content does not match the…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the options to program UCD90xxx devices?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 See Configuration Programming of UCD Devices for details on the UCD90240, UCD90320 and UCD90320U devices (e2e.ti.com/.../1007.Configuration-Programming-of-UCD-Devices.pdf). On a physical…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can the configuration on my UCD90xxx device be protected?

    Sam
    Sam
    Yes. The UCD90xxx has a security feature to protect against unintended or unauthorized flash write. You can turn on security by using the Fusion GUI (the security option is only available when the Fusion GUI connects to an online device), or by sending…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] How many PMBus masters can be used on the same bus?

    Sam
    Sam
    Only one host at a time. Communication is corrupted when more than one PMBus hosts try to send information at the same time. The USB-to-GPIO adapter is a PMBus host. For more FAQ please check the following document. UCD90xxx Family Frequently Asked…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Does the TI Fusion GUI provide a general purpose PMBus or I2C tool?

    Sam
    Sam
    Yes, the SMBus & SAA Tool allows you to communicate to any I 2C or PMBus device. The tool can be launched from either: • Fusion Digital Power Designer GUI (Tools → SMBus & SAA Tool) • Fusion Digital Power Designer → Tools → SMBus & I2C & SAA Debug…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are some PMBus commands not described in the UCD90xxx PMBus command reference document?

    Sam
    Sam
    The UCD90xxx PMBus Command Reference contains mostly manufacturer specific commands (see UCD90xxx Sequencer and System Health Controller PMBus Command Reference ). There are also many standard PMBus commands described in PMBus Specification Rev 1.1…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Is a UCD90xxx PMBus command reference required?

    Sam
    Sam
    Not necessarily, and it is up to what you plan to do. However, do use it as an ultimate reference. Each function in the Fusion GUI has a corresponding PMBus command. The UCD90xxx PMBus Command Reference contains not only protocol information but also…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Should the Fusion Digital Power Designer GUI be used?

    Sam
    Sam
    Definitely. The Fusion Digital Power Designer GUI serves three major functions: 1. Assist you to configure the device with a graphic interface so that you do not have to learn the PMBus commands 2. Generate configuration files and scripts for manufacturing…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Is TI USB-to-GPIO configurable?

    Sam
    Sam
    Yes. You can configure the USB-to-GPIO adapter to select different bus speed (100 kHz or 400 kHz), packet error checking (enabled or disabled), and pullup settings (open-drain, 668 Ω, 1 kΩ, and 2.2 kΩ). When the adapter is used on TI UCD90xxx EVMs…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What is an ALERT signal?

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 An ALERT signal is an interrupt line for devices that want to trade their ability to master for a pin. ALERT is a wired-AND signal as SCL/SDA. A slave-only device can signal the host through…
    • over 3 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    TPS3890: Sense Pin pull-up and pull-down values and MR input sensitivity 0 Locked

    448 views
    3 replies
    Latest over 5 years ago
    by Abhinav.Sharma
  • Answered

    BQ40Z50-R2: How to safely test a new board 0 Locked

    381 views
    4 replies
    Latest over 5 years ago
    by haku15
  • Suggested Answer

    LM3914: Spice Model 0 Locked

    614 views
    1 reply
    Latest over 5 years ago
    by Liaqat Khan
  • Suggested Answer

    TPS92691: Buck topology is not providing constant LED current 0 Locked

    354 views
    5 replies
    Latest over 5 years ago
    by Tuan Tran74
  • Suggested Answer

    BQ27421EVM-G1B: gauge communication 0 Locked

    422 views
    2 replies
    Latest over 5 years ago
    by Dominik Hartl11
  • Suggested Answer

    BQ27621-G1: About Data Flash setting Battery Charge Voltage at 4.1 V 0 Locked

    230 views
    1 reply
    Latest over 5 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    CCS/BQ27542-G1: Need BQ27542 BQ.FS or DQ.FS Files 0 Locked

    267 views
    1 reply
    Latest over 5 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    BQ25895: INT pin stops the charge process 0 Locked

    269 views
    4 replies
    Latest over 5 years ago
    by Ning T
  • Answered

    BQ78350-R1: BatteryMode() issue 0 Locked

    437 views
    3 replies
    Latest over 5 years ago
    by Jeffrey Wright
  • Answered

    BQ77915: BQ77915 EVM - How to Reset Overcurrent Fault Without Load Removal 0 Locked

    531 views
    5 replies
    Latest over 5 years ago
    by Shawn Hinkle
  • Answered

    WEBENCH® Tools/LM25085A: DC/DC converter with LM25085A and FDC5614P is not converting voltage 0 Locked

    389 views
    3 replies
    Latest over 5 years ago
    by AlexDevOne
  • Answered

    TPS650861: LDO output capacitance limit 0 Locked

    326 views
    1 reply
    Latest over 5 years ago
    by Layne J
  • Suggested Answer

    LMZM33604: Input current limitation? 0 Locked

    244 views
    2 replies
    Latest over 5 years ago
    by Jimmy Hua
  • Suggested Answer

    LMZM23600: Unusually low efficiency causes devices to overheat, fail 0 Locked

    956 views
    15 replies
    Latest over 5 years ago
    by Jimmy Hua
  • Suggested Answer

    TPS650864: Kindly Review the Schematic of TPS6508641 for timing attached for MPSOC Schematic Design 0 Locked

    1341 views
    20 replies
    Latest over 5 years ago
    by Layne J
  • Suggested Answer

    TPS7B7702-Q1: Sense pin connection when not used 0 Locked

    381 views
    5 replies
    Latest over 5 years ago
    by Jason Song
  • Suggested Answer

    BQ78350-R1: LED SOC Indicator does not work 0 Locked

    642 views
    10 replies
    Latest over 5 years ago
    by Matt Sunna
  • Discussion

    BQ35100: 90 day early warning on Primary Cell batteries? Clarification on EOS functionality. Locked

    331 views
    1 reply
    Latest over 5 years ago
    by Onyx Ahiakwo
  • Answered

    TPS92518HV: Managed to kill another part, need ideas on how to prevent in the future. 0 Locked

    466 views
    8 replies
    Latest over 5 years ago
    by Brian McKee
  • Answered

    TPS549D22: VDD pin maximum current consumption 0 Locked

    575 views
    1 reply
    Latest over 5 years ago
    by Gerold Dhanabalan - Online Design Tools
<>