Overview
The NXP MC33897CTEFR2 is a single-wire CAN (Controller Area Network) transceiver designed for automotive and industrial applications. It provides a physical layer for digital communication using a Carrier Sense Multiple Access/Collision Resolution (CSMA/CR) data link, operating over a single wire medium. This device is compatible with a vehicle's 12 V battery system or a broad range of DC-power sources, making it versatile for various environments.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Voltage | Directly from a vehicle's 12 V battery system or a broad range of DC-power sources |
| Data Rates | 33.33 kbps or 83.33 kbps |
| Temperature Range | -40°C to 125°C |
| Package | 14-pin SOICN |
| Sleep Mode Current | Worst-case 60 μA |
| Wake-Up Feature | High-voltage wake-up with defined wake-up voltage level on the bus |
| Compliance | GMW3089v2.4 General Motors Corporation specification |
| Protection Features | Current limit, thermal shutdown, under-voltage lockout, and protection against vehicular electrical transients |
Key Features
- Waveshaping for low Electromagnetic Interference (EMI)
- Detects and automatically handles loss of ground
- High-voltage wake-up feature to control the regulator and enable the system from sleep mode
- Current limit to prevent damage due to bus shorts
- Built-in thermal shutdown on bus output
- Protected against vehicular electrical transients
- Under-voltage lockout to prevent false data with low battery
Applications
The MC33897CTEFR2 is primarily used in automotive and industrial applications where single-wire CAN communication is required. It is suitable for vehicle networks, industrial control systems, and any environment where low power consumption and robust communication are essential.
Q & A
- What is the primary function of the MC33897CTEFR2?
The MC33897CTEFR2 is a single-wire CAN transceiver that provides a physical layer for digital communication using a CSMA/CR data link.
- What are the supported data rates for the MC33897CTEFR2?
The device supports data rates of 33.33 kbps or 83.33 kbps.
- What is the operating temperature range of the MC33897CTEFR2?
The device operates within a temperature range of -40°C to 125°C.
- What package type is the MC33897CTEFR2 available in?
The device is available in a 14-pin SOICN package.
- How does the MC33897CTEFR2 handle sleep mode?
The device has a high-voltage wake-up feature that allows it to control the regulator and enable the system from sleep mode when a defined wake-up voltage level is detected on the bus.
- What protection features does the MC33897CTEFR2 include?
The device includes current limit, thermal shutdown, under-voltage lockout, and protection against vehicular electrical transients.
- Is the MC33897CTEFR2 compliant with any specific automotive standards?
Yes, it complies with the GMW3089v2.4 General Motors Corporation specification.
- How does the MC33897CTEFR2 manage electromagnetic interference (EMI)?
The device includes waveshaping to minimize EMI.
- What is the worst-case sleep mode current of the MC33897CTEFR2?
The worst-case sleep mode current is 60 μA.
- Can the MC33897CTEFR2 handle loss of ground automatically?
Yes, the device can detect and automatically handle loss of ground.
