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TCAN1051GVDRQ1 - 5Mbps CAN FD Transceiver AEC-Q100 | TI
The Texas Instruments TCAN1051GVDRQ1 is an automotive fault-protected CAN transceiver with flexible data-rate (CAN FD) support up to 5 Mbps, operating from a 4.5 V to 5.5 V supply and housed in an 8-pin SOIC (D) package rated from -55C to +125C. A CAN (Controller Area Network) transceiver is a physical-layer interface IC that converts the logic-level TXD and RXD signals of a CAN controller into the differential CANH/CANL bus signals. Within the power-management and interface hierarchy, the transceiver sits between the host microcontroller and the twisted-pair bus, defining bus timing, fault tolerance, and ESD robustness. CAN FD (Flexible Data-rate) extends classical CAN by allowing faster bit rates during the data phase, which this device supports at up to 5 Mbps. Key features include AEC-Q100 automotive qualification, flexible data-rate operation, integrated fault protection on the CANH/CANL bus pins, and a separate VIO pin that lets the I/O side interface with 3.3 V or 5 V microcontrollers while the transceiver core runs at 5 V. The GV variant designation indicates the VIO-capable version without standby/sleep mode, simplifying designs that do not require low-power bus monitoring. Technically, the device integrates dominant/short-circuit protection, bus fault detection, and thermal shutdown behavior typical of TI's TCAN1051 family, protecting the transceiver against wiring faults to battery, ground, or other bus lines. The differential receiver architecture maintains receiver timing margins over the full -55C to +125C automotive temperature range, and the SOIC-8 footprint simplifies layout with the standard CAN transceiver pin ordering (TXD, GND, VCC, RXD, VIO, CANL, CANH). Typical applications include automotive body control modules, gateways, electric powertrain and battery management nodes, and industrial CAN networks where the 5 Mbps CAN FD data phase shortens frame transmission times versus classical 500 kbps CAN. Design consideration: keep the stub length from transceiver to bus connector short and use a split-termination network (typically two 60-ohm resistors with a capacitor to ground) for best EMC performance; never omit the 100 nF decoupling capacitor close to VCC. This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, same-package drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
TCAN1051HGVDRQ1 - 5Mbps CAN FD Transceiver AEC-Q100 | TI
The Texas Instruments TCAN1051HGVDRQ1 is an automotive fault-protected CAN flexible data-rate (CAN FD) transceiver supporting data rates up to 5 Mbps, supplied at 4.5 V to 5.5 V, housed in an 8-pin SOIC (D) package rated for -55C to +125C operation. A CAN FD transceiver is a physical-layer interface IC that converts the TTL-level transmit (TXD) and receive (RXD) signals of a CAN controller into the differential CANH/CANL bus signals, and vice versa. Within the signal-chain hierarchy, it sits between the host microcontroller or CAN controller and the twisted-pair bus, defining the robustness, bus-fault tolerance, and data-rate ceiling of the entire network node. Key features of the TCAN1051HGVDRQ1 include CAN FD support up to 5 Mbps for fast arbitration-free data phases, automotive AEC-Q100 qualification, fault-protected bus pins that survive electrical faults on CANH and CANL, and a standby mode with bus-wake capability for low quiescent power. The VIO pin allows I/O-level adaptation to 3.3 V controllers, and the device provides dominant-timeout protection and thermal shutdown for system-level robustness. Technically, the transceiver drives a differential bus compliant with high-speed CAN physical-layer requirements while adding fault protection that distinguishes the HGV variant: bus pins tolerate sustained overvoltage and short-circuit events that would destroy a standard transceiver. An internal receiver filters and shapes the bus signal, and the STB pin (pin 8) selects operating modes, enabling standby operation with wake-up via bus activity. Typical applications include automotive body control modules, gateways, and powertrain nodes; industrial CANopen networks requiring fault tolerance; and battery management systems where bus wiring faults are credible failure modes. High CAN FD data rates make the part suitable for modern zonal architectures. Design consideration: local bus termination and placement of 100 nF to 470 nF VCC decoupling directly at pin 3 strongly influence signal integrity at 5 Mbps; keep the TXD/RXD traces short and reference them to a clean ground. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.