UCD3138064RGCR

Power Supply Controllers, Monitors Overview

The UCD3138064RGCR is a highly integrated digital power controller from Texas Instruments, designed for isolated AC/DC and DC/DC power conversion applications. It features a 32-bit ARM7TDMI-S RISC microcontroller core with 64 kB of program flash memory, enabling dual-image firmware execution and over-the-air updates without downtime. The device includes Digital Power Peripherals (DPP) with high-speed control loops, multiple ADC channels, and DPWM outputs. It supports various communication interfaces including SPI, I2C, PMBus, and UART.

Power Supply Controllers, Monitors Feature Summary

• Highly integrated digital control solution combining a microcontroller with specialized power management peripherals on a single chip.
• Supports flexible firmware deployment with 64 kB flash memory allowing dual-image storage for seamless updates and redundancy.
• Optimized for AC/DC and isolated DC/DC topologies with dedicated hardware features for efficiency and reliability.
• Provides comprehensive communication options including SPI, I2C, PMBus, and UART for system monitoring and configuration.

Power Supply Controllers, Monitors Applications

• AC/DC power supplies
• Isolated DC/DC converters
• IT and network infrastructure power systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific package variant RGCR against your PCB footprint requirements. Confirm that the 64 kB flash capacity meets your firmware size needs compared to standard UCD3138 models. Ensure compatibility with TI's Fusion Power Development GUI or Code Composer Studio for initial configuration and debugging workflows.

Power Supply Controllers, Monitors Selection Notes

Select this component when high integration and advanced firmware flexibility are required for isolated power designs. The 64 kB flash distinguishes it from the base UCD3138, offering better support for complex algorithms and redundant code structures. Consider the available development tools and reference designs provided by Texas Instruments to accelerate the implementation process.

Power Supply Controllers, Monitors Part Context

This part belongs to the UCD3138 family of digital power controllers. It serves as an enhanced version of the original UCD3138, providing increased memory and additional communication ports. The family is targeted at designers seeking to replace analog control schemes with programmable digital solutions for improved performance and adaptability.

Power Supply Controllers, Monitors Replacement Considerations

Direct pin-to-pin replacements within the same package may include other variants in the UCD3138 series such as UCD3138064RMHT or UCD3138064ARGCT, depending on the specific package type required. Verify electrical specifications and memory sizes before substitution.