The UCD90120ARGCT is a powerful and versatile 12-rail PMBus/I2C addressable power supply sequencer and system health monitor designed by Texas Instruments. This integrated circuit (IC) is engineered to provide advanced control and monitoring for enterprise-level systems that require precise power sequencing and reliable operation.

Key Features

• Multi-Rail Sequencing: The UCD90120ARGCT can sequence up to 12 independent voltage rails, ensuring that each power domain is activated or deactivated in the correct order. This is crucial for systems where specific power-up and power-down sequences are necessary for proper operation.
• Programmable: This device is highly programmable via the PMBus interface, allowing designers to tailor the power sequencing, monitoring, and protection features to the specific needs of their application.
• System Health Monitoring: It features integrated circuitry to monitor voltage, current, and temperature, providing real-time data to ensure that the system operates within safe parameters. Fault detection and logging capabilities enhance system reliability and aid in troubleshooting.
• Non-Volatile Memory: Configuration settings can be saved in onboard non-volatile memory (NVM), enabling the device to automatically load settings at power-up.
• Flexible Communication: The UCD90120ARGCT supports both PMBus and I2C communication protocols, offering flexibility in system design and compatibility with a variety of host controllers.

Applications

This sequencer is ideal for managing power supplies in complex systems such as:

• Servers and data centers
• Telecommunications equipment
• Industrial and factory automation
• Networking equipment

Technical Specifications

The UCD90120ARGCT comes in a VQFN-64 package and operates over a temperature range of -40°C to +85°C. Its supply voltage ranges from 4.5V to 5.5V, making it suitable for a wide array of power systems.

Ordering and Availability

For pricing, availability, and additional technical resources, visit the Texas Instruments website or contact an authorized distributor. The UCD90120ARGCT is part of Texas Instruments' extensive portfolio of power management solutions designed to meet the needs of today's sophisticated electronic systems.