TDA51SCANHC Model Information

Overview

The TDA51SCANHC is an isolated CAN Bus transceiver designed for industrial applications, offering high reliability and performance in harsh environments. It complies with the ISO11898-2 standard and integrates an efficient 5V power supply.

Features

• Ultra-small, Ultra-thin Package: Chip scale SOIC package.
• Compliance: ISO11898-2 standard.
• Power Supply Range: I/O power supply supports 4.5V to 5.5V.
• High Isolation: Up to 5000Vrms.
• ESD Protection: Up to 5kV (HBM) on bus pins.
• High-Speed Communication: Baud rate up to 1Mbps.
• Bus Fault Protection: -40V to +40V.
• High CMTI: 150 kV (typical).
• TXD Dominant Time-out Function: Prevents permanent dominant state.
• Nanosecond Communication Delay: Ensures fast data transmission.
• Maximum Nodes: Supports up to 110 nodes on the bus.
• Wide Operating Temperature Range: -40℃ to +125℃.

Applications

• Industrial Automation: Control, sensors, and drive systems.
• HVAC Automation: Building and greenhouse environmental control.
• Security Systems: Surveillance and access control.
• Transportation: Automotive and fleet management.
• Medical Equipment: Reliable communication in medical devices.
• Telecommunications: Stable data transmission in communication infrastructure.
• CAN Bus Standards: Compatible with CANopen, DeviceNet, NMEA2000, ARNIC825, ISO11783, CAN Kingdom, CAN aerospace.

Pin Descriptions

• Pin 1 (VCC): Power supply pin. Connect with 0.1uF and 10uF ceramic capacitors to GND1.
• Pin 2 (GND1): Ground (Logic side).
• Pin 3 (TXD): Driver input pin.
• Pin 4 (NC): No connect.
• Pin 5 (RXD): Receiver output pin.
• Pin 6, 7, 14 (NC): No connect.
• Pin 8, 9, 10, 15 (GND2): Ground (Bus side).
• Pin 11, 16 (VISO): Insulation power output. Connect pin 11 to pin 16 in application.
• Pin 12 (CANL): Low-level CAN voltage input/output.
• Pin 13 (CANH): High-level CAN voltage input/output.

Electrical Characteristics

• Supply Voltage (VCC): 4.5V to 5.5V.
• Bus Voltage (CANH, CANL): -40V to 40V.
• Operating Temperature (TA): -40°C to +125°C.
• Junction Temperature (TJ): -40°C to +150°C.
• Total Power Consumption: 900mW (VCC=5.5V, TA=125°C, RL=60Ω).
• Thermal Shutdown Temperature: 165°C.
• Signaling Rate: 1000 kbps.

Transmission Characteristics

• Propagation Delay (TXD On to Bus Active): 35ns to 130ns.
• Propagation Delay (TXD Off to Bus Inactive): 35ns to 100ns.
• Differential Output Rise Time: 40ns to 60ns.
• Differential Output Fall Time: 40ns to 60ns.
• Loop Delay Time: 110ns to 210ns.
• Dominant Time-out Time: 300us to 8000us.

Physical Specifications

• Weight: 0.4g (typical).

Ordering Information

• Part Number: TDA51SCANHC.
• Package: SOIC.
• Number of Pins: 16.
• Product Marking: TDA51SCANHC.
• Tape & Reel: 1k/REEL.

Package Information

• Package Type: SOIC.
• Pin Count: 16.

PCB Design Recommendations

• Decoupling Capacitors: Place close to VCC and GND1, VISO and GND2 pins.
• Power Line Width: At least 0.5mm.
• Via Placement: Place vias outside the capacitors relative to the chip pins.

Port Protection Circuit

• Recommended Components: R3 (1MΩ), D1/D2 (1N4007), C1 (1nF, 2kV), D3 (SMBJ30CA), T1 (ACM2520-301-2P), Rterminal (120Ω), R1/R2 (2.7Ω/2W).
• Notes: Use PTCs for R1 and R2, and fast recovery diodes for D1 and D2.
• For detailed information and specific requirements, please refer to the datasheet or contact MORNSUN Guangzhou Science & Technology Co., Ltd.