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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] 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
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