CAN FD transceiver boosts space data rates
Microchip’s ATA6571RT radiation-tolerant CAN FD transceiver supports data rates to 5 Mbps for high-reliability space communications. Well-suited for satellites and spacecraft, it withstands a total ionizing dose of 50 krad(Si) and offers single-event latch-up immunity up to 78 MeV·cm²/mg at +125 °C.
Unlike conventional CAN transceivers limited to 1 Mbps, the ATA6571RT handles CAN FD frames with payloads up to 64 bytes, reducing bus load and improving throughput. It ensures robust, efficient data transmission under harsh space conditions, while backward compatibility with classic CAN enables an easy upgrade path for existing systems.
A cyclic redundancy check (CRC) algorithm enhances error detection and reliability in safety-critical applications. The transceiver also delivers improved EMC and ESD performance, along with low current consumption in sleep and standby modes while retaining full wake-up capability. It interfaces directly with 3-V to 3.6-V microcontrollers through the VIO pin.
The ATA6571RT transceiver costs $210 each in 10-unit quantities. A timeline for availability was not provided at the time of this announcement.
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