XR20M1172IL32-F

Controllers Overview

The XR20M1172IL32-F is a dual-channel I2C/SPI to UART controller manufactured by MaxLinear. It integrates two independent UART interfaces, each equipped with a 64-byte FIFO buffer for data handling. The device operates within a supply voltage range of 1.62 V to 3.63 V and supports data rates up to 16 Mb/s. It functions reliably across an industrial temperature range of -40°C to +85°C. The component is housed in a 32-lead QFN package.

Controllers Feature Summary

• Dual-channel architecture providing two independent serial communication ports
• Integrated 64-byte FIFO buffers per channel to manage data throughput
• Supports I2C and SPI host interfaces for system integration

Controllers Applications

• Industrial automation systems requiring serial connectivity
• Embedded devices needing multiple UART expansion via I2C or SPI
• IoT gateways and controllers

Controllers Procurement Notes

Verify the specific suffix 'IL32' confirms the 32-lead QFN package variant. Confirm current lifecycle status as some XR20M1172 variants are marked End-of-Life. Ensure the supplier provides valid traceability documentation for the MaxLinear manufacturer source.

Controllers Selection Notes

Select this model when two UART channels are required in a compact QFN footprint. Compare against the IG28 variant if a TSSOP package is preferred. Verify that the 16 Mb/s maximum data rate meets the application's baud rate requirements.

Controllers Part Context

This part belongs to the XR20M117x series of I2C/SPI UART controllers from MaxLinear (formerly Exar). It serves as a bridge between digital buses and legacy serial devices. The IL32 designation specifically identifies the 32-pin QFN package option within this product family.

Controllers Replacement Considerations

Publicly confirmed substitutes include the XR20M1172IG28-F and XR20M1172G28-0B. Note that these alternatives utilize different packages (TSSOP) and require schematic and layout modifications.