1/1 Transceiver Half CANbus 8-SOIC The TCAN1462DRQ1 is an automotive-grade, fault-protected CAN FD transceiver manufactured by Texas Instruments, designed to serve as the physical-layer interface between a CAN protocol controller and the physical CAN bus wiring in a vehicle network. The device meets the physical layer requirements of the high-speed CAN standard and additionally complies with the Signal Improvement Capability specification, a more demanding industry standard developed to address signal integrity challenges that arise in complex, high-node-count automotive network topologies. A central feature of this transceiver is its ability to actively reduce signal ringing that occurs during dominant-to-recessive bus transitions, a phenomenon that becomes increasingly problematic as networks grow larger, bus speeds increase, and more unterminated branch connections are introduced into the topology. By suppressing this ringing, the device allows the network to reliably support higher CAN FD data rates and more complex star or multi-drop topologies than would be achievable with a conventional CAN transceiver, enabling designers to extract the full throughput benefit of the CAN FD protocol even in challenging real-world wiring harness configurations. The device also meets tighter bit-timing symmetry requirements than standard CAN FD transceivers, which widens the timing margin available for correctly sampling each bit and helps prevent communication errors caused by ringing and bit distortion in large, complex networks. This particular part number is pin-compatible with other widely used 8-pin CAN FD transceivers, allowing it to serve as a drop-in upgrade path for existing automotive electronic control unit designs seeking improved signal integrity without requiring a board redesign. The device supports a low-power standby mode that allows the transceiver to enter a reduced-current state while still being able to detect a wake-up pattern transmitted over the bus, supporting remote wake-up functionality that is essential for modern vehicle networks where many control modules must remain dormant but responsive while the vehicle is parked. Robust fault protection is built into the device to support reliable operation in the harsh electrical environment of a vehicle, including comprehensive bus fault protection against high-voltage transients and short circuits, along with internal mechanisms to detect undervoltage conditions, prevent device damage from excessive internal temperature, and guard against a stuck or fault-driven transmit input from indefinitely holding the bus in a dominant state. Together, these protection features allow the transceiver to maintain network integrity even when subjected to electrical faults, wiring harness damage, or unexpected operating conditions common in automotive environments. The device is housed in a small-outline surface-mount package suited to space-constrained automotive electronic control unit designs and is qualified to automotive electronics reliability standards, reflecting its suitability for deployment in body, chassis, powertrain, and infotainment network nodes throughout a vehicle.

Spec Sheet Identification

Part Number: TCAN1462DRQ1 Device Family: TCAN1462-Q1 Manufacturer: Texas Instruments

Functional Classification

Device Type: CAN FD transceiver Compliance: High-speed CAN physical layer standard, Signal Improvement Capability (SIC) specification Pin Compatibility: Compatible with standard 8-pin CAN FD transceiver pinouts

Signal Integrity Features

Ringing Suppression: Active reduction of dominant-to-recessive edge ringing Bit Timing: Tightened bit-timing symmetry for improved sampling margin Supported Topologies: Large, complex networks including star topologies with multiple unterminated stubs Data Rate Support: Enhanced throughput at elevated CAN FD data rates

Power & Operating Modes

Standby Mode: Low-power standby with bus wake-up pattern detection Wake-Up Compliance: Remote wake-up per high-speed CAN wake-up pattern standard

Protection Features

Bus Fault Protection: High-voltage bus fault protection Undervoltage Detection: Integrated undervoltage monitoring Thermal Shutdown: Integrated overtemperature protection Driver Timeout: Dominant-state timeout protection on transmit input

Environmental & Qualification

Temperature Grade: Extended automotive operating temperature range Automotive Qualification: AEC-Q100 qualified Lifecycle Status: Active production

Package

Package Type: Small-outline surface-mount package (SOIC style) Mounting: Surface mount technology (SMT) Terminal Form: Gull-wing leads

Packaging Format

Supply Format: Tape-and-reel or cut-tape packaging options

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