Texas Instruments

UCD9222RGZT  

DC DC Switching Controllers

UCD9222RGZT Description

The UCD9222RGZT from Texas Instruments is a high-performance, dual-output buck switching controller designed for precision power management in demanding applications. This PMBus-compliant device integrates advanced control features, including I2C, PMBus, and SMBus serial interfaces, enabling programmable voltage regulation and system monitoring. Operating within a 3V to 3.6V supply range, it supports a switching frequency of 15.26kHz to 2MHz, offering flexibility for various power architectures. The 48VQFN package ensures compact, surface-mount integration, while its ROHS3 compliance and REACH-unaffected status make it suitable for environmentally conscious designs.

UCD9222RGZT Features

• Dual-Output PWM Control: Two independent PWM signal outputs with 100% duty cycle capability, supporting positive output configurations.
• Advanced Communication: PMBus/I2C/SMBus interfaces for real-time telemetry, fault reporting, and dynamic voltage scaling.
• Synchronization & Control: Features clock sync and control functions like enable, power good, reset, and tracking for system reliability.
• Wide Frequency Range: Adjustable 15.26kHz–2MHz switching frequency optimizes efficiency and reduces external component size.
• Robust Design: MSL 3 (168 hours) rated, non-synchronous rectifier topology, and EAR99/8542.39.0001 compliance for industrial use.

UCD9222RGZT Applications

• Server/Data Center PSUs: Ideal for multi-rail voltage regulation in high-availability systems.
• Telecom Infrastructure: Efficient power delivery for base stations and networking equipment requiring PMBus programmability.
• Industrial Automation: Suits distributed power architectures with precise tracking and fault management.
• FPGA/DSP Power Systems: Dual-output capability supports core and I/O voltage sequencing in advanced processors.

Conclusion of UCD9222RGZT

The UCD9222RGZT stands out for its programmability, dual-output precision, and PMBus integration, making it a superior choice for modern power systems. Its wide frequency range, robust communication interfaces, and compact form factor address challenges in high-density, high-reliability applications. Engineers benefit from its flexibility, diagnostic capabilities, and compliance with global standards, ensuring optimized performance in data centers, telecom, and industrial environments.

UCD9222RGZT Documents

Download datasheets and manufacturer documentation for UCD9222RGZT

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)       Add Cu as Alternative Bond Wire Metal for Select Devices (PDF)       Qualification of TSMC-WF3 as an additional wafer fab site option for select devices (PDF)      

Models :

UCD9222RGZT Symbol & Footprint by SnapMagic      

Product Catalogs :

PMBus Power Solution Guide (Rev. C)       Power Management Guide 2018 (Rev. R)