SN65HVD230QDR BUS Transceiver Communication IC SOP-8

SN65HVD230QDR CAN Bus Transceiver Communication IC SOP-8 is a robust, low-power transceiver specifically designed for Controller Area Network (CAN) applications operating at speeds up to 1 Mbps. This IC serves as the essential interface between the CAN protocol controller (typically in a microcontroller) and the physical two-wire CAN bus, providing differential transmit and receive capability. The SN65HVD230QDR is particularly suitable for systems requiring extended operational range and superior noise immunity. Furthermore, its small-outline package (SOP-8) and wide operating temperature range make it ideal for use in harsh automotive and industrial environments. Consequently, engineers frequently select this component to ensure reliable data transfer in complex multi-node networks.

Key Features:

• High Reliability: The device features bus pin protection against ±12 kV Human Body Model (HBM) ESD events, ensuring durability in high-stress environments.
• High-Speed Data Rate: Supports signaling rates up to 1 Mbps, allowing for fast and efficient data transmission across the CAN network.
• Three Operating Modes: Includes high-speed mode, slope control mode (for reduced EMI), and low-power standby mode, offering flexibility for various application needs.
• Wide Temperature Range: Certified for operation across the extended industrial temperature range of −40°C to +125°C.
• Differential Transceiver: Features differential inputs and outputs, which significantly enhances noise rejection and improves communication integrity over long cable lengths.

Technical Specifications:

• Device Type: CAN Bus Transceiver
• Maximum Data Rate: 1 Mbps
• Supply Voltage (V_CC): 3.3 V (2.97 V to 3.63 V range)
• Bus Voltage Range: −7 V to 12 V
• Logic Interface: TTL/CMOS Compatible (3.3 V logic)
• Protection: Short-circuit current limiting, thermal shutdown, and high bus ESD protection.
• Quiescent Supply Current: Maximum 2 mA (High-Speed Mode)

Mechanical Specifications:

• Package Type: SOP-8 (Small Outline Package, 8-Pin)
• Mounting: Surface Mount Device (SMD/SMT)
• Dimensions Reference: D Package (8-Pin SOIC/SOP)
• Lead Plating: Matte Tin (Sn)

Dimensions:

• Body Length (Nominal): 4.90 mm
• Body Width (Nominal): 3.90 mm
• Pin Pitch: 1.27 mm (Standard SOIC/SOP)
• Overall Height: ≈ 1.75 mm
• Weight: ≈ 0.08 g

Pinout and Wiring:

• Pin 1 (TXD): Transmit Data Input. Connect this pin to the Transmit Output of the host CAN controller.
• Pin 2 (GND): Ground Reference. Connect to the system ground.
• Pin 3 (VCC): Power Supply. Connect to the 3.3 V supply rail.
• Pin 4 (RXD): Receive Data Output. Connect this pin to the Receive Input of the host CAN controller.
• Pin 5 (RS): Standby/Slope Control Mode Select. Use a resistor to VCC or GND to select High-Speed, Slope Control, or Standby mode.
• Pin 6 (CANL): CAN Bus Low Line. Connect to the low differential line of the CAN bus.
• Pin 7 (CANH): CAN Bus High Line. Connect to the high differential line of the CAN bus.
• Pin 8 (VREF): Reference Voltage. Generally left unconnected or used for diagnostics/bus termination reference.

Datasheet Reference:

• Download Texas Instruments SN65HVD230-Q1 Datasheet

Commonly Used in:

• Automotive Systems: Used extensively in non-critical electronic control units (ECUs), dashboard systems, and sensor nodes that employ the CAN protocol.
• Industrial Control Systems: Essential for building automation, factory equipment, and machine-to-machine (M2M) communication networks.
• Microcontroller CAN Development Boards: Incorporated into specialized development kits for prototyping CAN bus applications (e.g., using Arduino or STM32).

Applications:

• Vehicle Diagnostics: Facilitating reliable communication between diagnostic tools and vehicle ECUs.
• Home Automation and Robotics: Providing a robust, multi-node communication spine for distributed control systems.
• Embedded Data Acquisition: Implementing long-distance, noise-immune data logging from remote sensors.

Equivalent Models:

• TJA1050 (NXP): A high-speed CAN transceiver that operates at 5V, providing a common alternative to the 3.3V SN65HVD230 series.
• MCP2551 (Microchip): A popular 5V CAN transceiver frequently used with the MCP2515 CAN controller, often a suitable replacement in 5V systems.
• SN65HVD231/232: Other members of the same TI family, however, these feature slightly different standby/sleep modes or thermal characteristics.

Package Includes:

• 1 x SN65HVD230QDR BUS Transceiver Communication IC SOP-8