Microchip Technology Inc. (Nasdaq: MCHP) has unveiled its ATA6571RT CAN FD transceiver, a radiation-tolerant communication interface designed specifically for space systems. The device, supporting flexible data rates of up to 5 Mbps, targets satellites, spacecraft, and other mission-critical applications requiring high reliability and efficient data transmission.
Traditional Controller Area Network (CAN) interfaces are generally limited to 1 Mbps, restricting payload size and overall bus efficiency. The ATA6571RT addresses these limitations by enabling bit rates up to 5 Mbps and supporting payloads of up to 64 bytes per frame. It remains backward-compatible with classic CAN, facilitating smooth integration into existing space systems while increasing throughput and reducing bus load.
Designed for mission-critical scenarios, the transceiver incorporates a Cyclic Redundancy Check (CRC) mechanism to enhance error detection, ensuring robust communication in harsh environments. Applications include platform data handling, propulsion control, sensor bus networks, robotics, and on-board computers for nanosatellites, where reliability and real-time performance are essential. The ATA6571RT retains pin-distribution compatibility with Microchip’s commercial-off-the-shelf (COTS) versions, simplifying PCB-level integration.
“The ATA6571RT transceiver offers a cost-effective, size-optimized, and power-efficient solution designed to meet the stringent demands of space environments,” said Leon Gross, corporate vice president of Microchip’s aerospace and defense business. “Microchip is proud of its space heritage, with products embedded in both New Space and deep space missions.”
The device is engineered to withstand the extreme conditions of space. It offers resistance to Single-Event Effects (SEE) and Total Ionizing Dose (TID), as well as short-circuit and overtemperature protection. Low-power operation with local and remote wake-up support further extends its suitability for energy-constrained spacecraft systems.
The launch of the ATA6571RT strengthens Microchip’s portfolio of high-reliability communication solutions for aerospace and defense. The company already offers a range of radiation-tolerant and radiation-hardened interfaces, including Ethernet, MIL-STD-1553, and SpaceWire, providing scalable solutions for next-generation space platforms.
The ATA6571RT CAN FD transceiver is priced at $210 per unit for 10-unit orders and is immediately available through Microchip’s authorized distribution channels.
