XR20M1172IL32TR-F

Controllers Overview

The XR20M1172IL32TR-F is a dual-channel I2C/SPI to UART interface controller manufactured by MaxLinear. It integrates two independent UART controllers, each equipped with a 64-byte transmit and receive FIFO buffer. The device operates within a supply voltage range of 1.62 V to 3.63 V, supporting standard logic levels of 1.8 V, 2.5 V, and 3.3 V. It achieves data rates up to 16 Mb/s per channel. Power consumption is specified at 250 µA or 500 µa depending on operational mode. The component functions reliably across an industrial temperature range of -40°C to +85°C and is housed in a 32-lead QFN package.

Controllers Feature Summary

• Dual independent UART channels with integrated 64-byte FIFOs for efficient data buffering
• Flexible digital interface connectivity via I2C or SPI control protocols
• Wide operating voltage range supporting low-power embedded applications

Controllers Applications

• Industrial automation systems requiring serial communication expansion
• IoT devices needing protocol conversion between host controllers and legacy serial peripherals
• Embedded computing platforms utilizing I2C or SPI buses for UART access

Controllers Procurement Notes

Verify the specific suffix IL32 against official MaxLinear documentation to confirm the 32-lead QFN package configuration. Confirm current lifecycle status as distributor listings indicate potential discontinuation. Ensure compatibility with system voltage requirements before integration.

Controllers Selection Notes

Select this component when dual UART ports are required from a single I2C or SPI master. Compare FIFO depth and speed against single-channel alternatives like the XR20M1170. Verify that the QFN footprint fits the PCB layout constraints compared to TSSOP options.

Controllers Part Context

This part belongs to the XR20M117x series of I2C/SPI to UART controllers. It shares functional similarities with the XR20M1172IG28 but differs in package type. The series provides a bridge between modern digital buses and traditional asynchronous serial interfaces.

Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.