MICROCHIP ATA6570-GNQW1

The ATA6570 is a stand-alone, high-speed CAN transceiver with partial networking that interfaces a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus designed for high-speed CAN applications in the automotive environment. The ATA6570 provides local and enhanced remote wake-up capabilities and is available in 14-lead SOIC and VDFN packages. It has a very low-power consumption in Standby and Sleep mode. Besides local wake-up via the WAKE pin and remote wake-up pattern according to ISO 11898-2:2016, ATA6570 additionally supports ISO 11898-2:2016 compliant CAN partial networking. A CAN frame decoder evaluates the bus traffic and checks for a matching frame that has been configured into registers via the SPI. The device is able to keep the complete Automotive Electronic Control Unit (ECU) in a low-power mode, even when bus traffic is present, until a valid wake-up frame has been received. It also features a watchdog (per default off) and a Serial Peripheral Interface (SPI). The ATA6570 is a CAN FD device. However, selective wake-up is only possible using classical CAN frames. In Sleep mode, the device can be configured to either ignore CAN FD frames, or to treat CAN FD frames as frames with errors and increment the internal error counter. The VIO pin allows the automatic adjustment of the I/O levels to the I/O level of the connected microcontroller. The SPI interface controls the device and provides status and diagnosis information to the host MCU. All these features make the ATA6570 an excellent choice for high-speed CAN networks, especially in applications where nodes are always connected to the battery but are only activated when they are really needed in the application.

• ISO 26262 Functional Safety Ready
• High-Speed CAN Transceiver Fully Compliant to ISO 11898‑2, ISO 11898‑5, ISO 11898‑6, ISO 11898‑2:2016 and SAEJ 2962‑2
• Autonomous Bus Biasing According to ISO 11898‑2:2016
• Low Electromagnetic Emission (EME) and High Electromagnetic Immunity (EMI)
• Standard CAN Data-Rate up to 1 Mbit/s and CAN FD Data-Rate up to 5 Mbit/s (CAN FD)
• 4 Mbit/s SPI Interface
• Differential Bus Receiver with Wide Common-Mode Range
• Very Low Current Consumption in Sleep and Standby Mode with Full Wake‑up Capability
• Power-Down of the Complete Node via the INH-Output (Switching Off External Voltage Regulator(s))
• Six Operation Modes: Power Off mode, Microcontroller Reset mode, Sleep mode, Standby mode, Normal mode, Overtemp mode
• Four Wake-up Sources: Local wake-up via pin WAKE, Remote wake-up pattern according to ISO 11898‑2:2016, Remote wake-up frame according to ISO 11898‑2:2016 (selective wake-up), Host wake-up via SPI
• Wake-up Source Recognition
• Transceiver Disengages from the Bus In Overtemperature and Low-Power Supply Mode
• RXD Recessive Clamping Detection
• Transmit Data (TXD) Dominant Time-out Function, Undervoltage Detection on VS, VCC and VIO Pins
• Overtemperature Protection
• 3.3V to 5V Microcontrollers can be Interfaced Directly via the VIO Pin
• Battery Supply and CAN Bus Pins Protected Against Transients According to ISO 7637
• High Electrostatic Discharge (ESD) Handling Capability on the Bus Pins, Bus Pins Short-Circuit Protected to GND and VCC, VS Operating Voltage up to 28V, VS DC Supply Voltage up to 40V
• Watchdog with Independent Clock Source
• Watchdog can be Operated in Window and Time-out Mode: Optional cyclic wake-up in Watchdog Time-out mode, Watchdog automatically re-enabled when wake-up event captured, Watchdog period-selectable, Watchdog Reset period-selectable
• AEC-Q100 and AEC-Q006 Qualified
• Two Ambient Temperature Grades Available: ATA6570-GNQW1 and ATA6570-GCQW1 up to Ta = +125℃, ATA6570-GNQW0 and ATA6570-GCQW0 up to Ta = +150℃
• Fulfills the OEM “Hardware Requirements for CAN Interfaces in Automotive Applications”, Rev. 1.3
• Fulfills the OEM “Requirements for Partial Networking”, Rev. 2.2
• 14-Lead SOIC Package and 14-Lead VDFN Package with Wettable Flanks (Moisture Sensitivity Level 1)