Overview
The SN65HVD233DRG4, produced by Texas Instruments, is a 3.3-V CAN (Controller Area Network) transceiver designed to interface between a CAN controller and a differential CAN bus. This device is compliant with the ISO 11898-2 standard and is optimized for use in harsh environments. It features advanced protection mechanisms such as bus-pin fault protection exceeding ±36 V, ESD protection exceeding ±16 kV HBM, and thermal shutdown protection. The transceiver supports signaling rates up to 1 Mbps and operates over a wide common-mode range of –7 V to 12 V, making it suitable for various industrial, automotive, and building automation applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| VCC | Supply Voltage | 3.3 V |
| Signaling Rate | Maximum signaling rate | Up to 1 Mbps |
| Bus-Pin Fault Protection | Voltage range for fault protection | ±36 V |
| ESD Protection | Human Body Model (HBM) ESD protection | ±16 kV |
| Common-Mode Range | Operating common-mode voltage range | –7 V to 12 V |
| Standby Current | Typical current in standby mode | 200 μA |
| Package | Package type and size | SOIC (8), 4.90 mm × 3.91 mm |
| Operating Temperature | Temperature range for operation | –55°C to 125°C |
Key Features
- Bus-Pin Fault and ESD Protection: Exceeds ±36 V for fault protection and ±16 kV HBM for ESD protection.
- ISO 11898-2 Compliance: Compatible with the ISO 11898-2 standard for CAN bus communication.
- Adjustable Driver Transition Times: Allows for improved emissions performance by adjusting the rise and fall slope of the driver output.
- Loopback Mode: Enables self-diagnostic node functions without disturbing the bus by placing the bus output and input in a high-impedance state.
- Low Current Standby Mode: Reduces power consumption to 200 μA (typical) when in standby mode.
- Thermal Shutdown Protection: Protects the device from overtemperature conditions.
- Glitch-Free Bus Inputs and Outputs: Ensures smooth operation during power cycling with high-input impedance and monolithic output.
Applications
- Industrial Automation: Control systems, sensors, and drive systems.
- Motor and Robotic Control: Used in various motor control and robotic applications.
- Building and Climate Control (HVAC): Employed in building automation systems.
- Backplane Communication and Control: Used in backplane communication systems.
- Automotive and Transportation: Compliant with CAN bus standards such as CANopen, DeviceNet, CAN Kingdom, NMEA 2000, and SAE J1939.
Q & A
- What is the primary function of the SN65HVD233DRG4?
The SN65HVD233DRG4 is a CAN transceiver that interfaces between a CAN controller and a differential CAN bus, enabling communication in accordance with the ISO 11898-2 standard.
- What are the key protection features of the SN65HVD233DRG4?
The device features bus-pin fault protection exceeding ±36 V, ESD protection exceeding ±16 kV HBM, and thermal shutdown protection.
- How does the loopback mode work in the SN65HVD233DRG4?
The loopback mode places the bus output and input in a high-impedance state, allowing for self-diagnostic node functions without disturbing the bus.
- What is the typical current consumption in standby mode?
The typical current consumption in standby mode is 200 μA.
- What is the operating temperature range of the SN65HVD233DRG4?
The operating temperature range is –55°C to 125°C.
- What are some common applications of the SN65HVD233DRG4?
Common applications include industrial automation, motor and robotic control, building and climate control, backplane communication, and automotive systems.
- How does the device adjust driver transition times?
The device allows for adjustable driver transition times by connecting a resistor between the RS pin and ground, which controls the rise and fall slope of the driver output.
- Is the SN65HVD233DRG4 compatible with various CAN bus standards?
Yes, it is compatible with standards such as CANopen, DeviceNet, CAN Kingdom, NMEA 2000, and SAE J1939.
- What is the significance of glitch-free bus inputs and outputs during power cycling?
Glitch-free bus inputs and outputs ensure smooth operation during power cycling with high-input impedance and monolithic output, preventing disturbances on the bus.
- How does the thermal shutdown protection work?
The thermal shutdown protection feature protects the device from overtemperature conditions, ensuring safe operation.
