Overview
The NXP MC33662 is a physical layer component specifically designed for automotive LIN (Local Interconnect Network) sub-bus applications. This device is compliant with various LIN bus specifications, including LIN 1.3, 2.0, 2.1, 2.2, 2.2A, SAE J2602-2, and ISO 17987-4:2016 (12 V). It is powered by SMARTMOS technology, ensuring robust performance and reliability in automotive environments.
Key Specifications
| Characteristic | Value | Conditions |
|---|---|---|
| Operating Voltage Range | 7.0 V to 18 V | -40°C to 125°C, GND = 0 V |
| Baud Rate | 10 kbps (MC33662J), 20 kbps (MC33662L, MC33662S) | |
| Fast Baud Rate | > 100 kbps | For test and programming modes |
| Temperature Range | -40°C to 125°C | |
| Package Type | SOICN 8 | 3.9*4.9*1.75 mm |
| ESD Robustness | Compliant with ESD standards | |
| Digital Input Compatibility | 5.0 V and 3.3 V compatible | No external components required |
Key Features
- Compliance with LIN bus specifications 1.3, 2.0, 2.1, 2.2, 2.2A, SAE J2602-2, and ISO 17987-4:2016 (12 V)
- SMARTMOS technology for enhanced performance and reliability
- Excellent ESD robustness and immunity against disturbance
- Safe behavior in case of LIN bus short-to-ground or leakage during low power mode
- Digital inputs compatible with 5.0 V and 3.3 V without external components
- Fast baud rate for test and programming modes (> 100 kbps)
- Operational modes: Normal, Sleep, Awake, and Preparation to Sleep
Applications
The MC33662 is primarily used in automotive LIN sub-bus systems, including but not limited to:
- Automotive electronic control units (ECUs)
- Vehicle networking and communication systems
- Automotive sensor and actuator networks
- Other automotive applications requiring reliable LIN bus communication
Q & A
- What are the main applications of the MC33662?
The MC33662 is used in automotive LIN sub-bus systems, including ECUs, vehicle networking, and sensor/actuator networks. - What are the compliant LIN bus specifications for the MC33662?
The MC33662 is compliant with LIN 1.3, 2.0, 2.1, 2.2, 2.2A, SAE J2602-2, and ISO 17987-4:2016 (12 V). - What is the operating voltage range of the MC33662?
The operating voltage range is 7.0 V to 18 V. - What are the available baud rates for the MC33662?
The available baud rates are 10 kbps (MC33662J) and 20 kbps (MC33662L, MC33662S). - What is the fast baud rate used for in the MC33662?
The fast baud rate (> 100 kbps) is used for test and programming modes. - How does the MC33662 handle ESD robustness?
The MC33662 has excellent ESD robustness and is compliant with ESD standards. - What are the operational modes of the MC33662?
The operational modes include Normal, Sleep, Awake, and Preparation to Sleep. - Why is it important not to leave the WAKE pin open?
Leaving the WAKE pin open can cause a false wake-up; it should be connected to ground if the wake-up function is not used. - What is the recommended resistor value for the external pull-up resistor on the RxD pin?
The total recommended resistor value is 33 kΩ. - Is an external capacitor recommended for better EMC and ESD performance?
Yes, an external 10 to 100 nF capacitor is advised for better EMC and ESD performances.
