Overview
The SN65HVD230MDREP is a 3.3-V Controller Area Network (CAN) transceiver produced by Texas Instruments. This device is designed to interface with the physical signaling layer of the CAN bus, adhering to the ISO 11898 standard. It is particularly suited for use with Texas Instruments' TMS320Lx240x 3.3-V DSPs or equivalent devices. The transceiver provides differential transmit and receive capabilities, supporting signaling rates up to 1 Mbps. It is engineered for operation in harsh environments, offering various protection features such as cross-wire protection, loss-of-ground protection, overvoltage protection, and thermal shutdown protection.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | -0.3 | 6 | V | |
| Operating Temperature Range | -55 | 125 | °C | |
| Signaling Rate | Up to 1 | Mbps | ||
| Differential Output Voltage (Dominant) | 1.2 | 2.3 | 3 | V |
| Differential Output Voltage (Recessive) | -0.5 | 0.05 | 0.2 | V |
| Propagation Delay Time (Low-to-High) | 35 | 85 | 190 | ns |
| Propagation Delay Time (High-to-Low) | 70 | 130 | 205 | ns |
| Standby Current | 370 | 600 | µA | |
| ESD Protection (HBM) | 16 | kV |
Key Features
- Operates with a 3.3-V supply, making it a low-power replacement for the PCA82C250 footprint.
- Compliant with the ISO 11898 standard for CAN bus communication.
- Supports signaling rates up to 1 Mbps.
- Thermal shutdown protection and open-circuit fail-safe design.
- Bus fault protection, including cross-wire protection, loss-of-ground protection, and overvoltage protection.
- 16-kV HBM ESD protection on the bus pins.
- Three operating modes: high-speed, slope control, and low-power standby mode.
- Vref (pin 5) provides a VCC/2 voltage reference.
- Unpowered node does not disturb the bus, ensuring glitch-free power-up and power-down bus protection.
Applications
The SN65HVD230MDREP is designed for use in various industrial, building automation, and automotive applications. It is particularly useful in environments that require robust and reliable communication over the CAN bus. Typical applications include:
- Industrial control systems.
- Building automation systems.
- Automotive electronic control units (ECUs).
- Networking intelligent devices and sensors within machine chassis or factory floors.
Q & A
- What is the operating voltage range of the SN65HVD230MDREP?
The operating voltage range is from -0.3 V to 6 V. - What is the maximum signaling rate supported by the SN65HVD230MDREP?
The maximum signaling rate is up to 1 Mbps. - What protection features does the SN65HVD230MDREP offer?
The device offers thermal shutdown protection, open-circuit fail-safe design, bus fault protection (including cross-wire, loss-of-ground, and overvoltage protection), and 16-kV HBM ESD protection. - What are the three operating modes of the SN65HVD230MDREP?
The three operating modes are high-speed mode, slope control mode, and low-power standby mode. - How does the SN65HVD230MDREP handle an unpowered node on the CAN bus?
An unpowered node does not disturb the bus, ensuring glitch-free power-up and power-down bus protection. - What is the purpose of the Vref pin on the SN65HVD230MDREP?
The Vref pin provides a VCC/2 voltage reference. - What is the typical standby current of the SN65HVD230MDREP?
The typical standby current is 370 µA. - Is the SN65HVD230MDREP compatible with the ISO 11898 standard?
Yes, it is fully compatible with the ISO 11898 standard for CAN bus communication. - What is the common-mode range of the SN65HVD230MDREP?
The device operates over a –2-V to 7-V common-mode range on the bus. - How can the rise and fall slopes of the driver outputs be adjusted?
The rise and fall slopes can be adjusted by connecting a resistor from the RS pin to ground or to a logic low voltage.
