VN808-E

Overview of STMicroelectronics VN808-E

The STMicroelectronics VN808-E is a high-performance, robust and reliable automotive-grade power MOSFET designed to control the flow of current in automotive applications, particularly for controlling motors, actuators, and other high-power components. It is a member of ST's VIPower® series, which features advanced technologies to offer high efficiency, protection against overloads, and low power dissipation. The VN808-E is widely used in automotive systems, as well as in industrial and power management applications where space-saving and high current-handling capabilities are critical.

### Key Specifications

* Technology: VIPower® technology
* Type: N-channel Power MOSFET
* Drain-Source Voltage (V\_DS): 40V
* Continuous Drain Current (I\_D): 8A (at 25°C)
* Pulsed Drain Current (I\_D, pulse): 30A (at 25°C)
* On-Resistance (R\_DS(on)): 0.1Ω (typical) at V\_GS = 10V
* Gate-Source Voltage (V\_GS): ±20V
* Power Dissipation (P\_D): 40W
* Package: TO-220
* Thermal Resistance Junction to Case (R\_thJC): 2.5°C/W
* Operating Temperature Range: -40°C to 150°C
* Integrated Protection: Overcurrent, overtemperature, and thermal shutdown
* Turn-On Time (t\_on): 100 ns (typical)
* Turn-Off Time (t\_off): 150 ns (typical)

### Key Features

* VIPower® Technology: The VN808-E incorporates STMicroelectronics' VIPower® technology, which combines advanced MOSFET design with integrated control and protection features. This technology provides high efficiency, low on-resistance, and excellent thermal performance for demanding automotive and industrial applications.
* High Current Handling: With a continuous drain current rating of 8A and a pulsed drain current of up to 30A, the VN808-E can handle significant power levels, making it suitable for motor drives, actuators, and other high-current load switching applications.
* Low On-Resistance: The device features a low on-resistance of 0.1Ω (typical), reducing conduction losses and improving the overall efficiency of the system.
* Integrated Protection: The VN808-E offers built-in protection against thermal overload and overcurrent conditions, ensuring the safety and reliability of the device in various operating environments.
* High-Speed Switching: With turn-on and turn-off times of 100 ns and 150 ns (typical), the VN808-E is capable of fast switching operations, which is essential in applications requiring high-speed control, such as PWM motor control and switching power supplies.
* Wide Temperature Range: The VN808-E is designed to operate over a wide temperature range of -40°C to 150°C, making it suitable for automotive applications that must endure extreme environmental conditions.
* Low Power Dissipation: Due to its low on-resistance and efficient design, the VN808-E minimizes power losses, making it highly suitable for applications requiring low power dissipation, such as battery-powered or energy-sensitive systems.

### Applications

* Automotive Motor Control: The VN808-E is commonly used in automotive motor control applications, including power window control, wiper motors, seat adjustments, and electric power steering. Its high current capability and protection features make it ideal for these types of systems.
* Actuator Drivers: It is also used in automotive actuators, where precise control of high-current loads is required, such as in HVAC systems, electronic throttle control, and gearshift mechanisms.
* Power Management Systems: The VN808-E is employed in power management systems where high efficiency, low power loss, and protection are necessary. This includes DC-DC converters and battery charging systems.
* Industrial Automation: In industrial settings, the VN808-E is suitable for controlling motors and actuators in applications such as robotics, conveyor systems, and automated machinery.
* Battery-Powered Applications: Due to its low power dissipation and efficient operation, the VN808-E is ideal for battery-powered systems where maintaining energy efficiency is crucial.
* Relay Replacement: The VN808-E can be used in place of traditional mechanical relays in automotive and industrial applications to provide faster switching, longer lifetime, and reduced size.

### Advantages

* High Power Efficiency: The low on-resistance (R\_DS(on)) ensures that the device dissipates less power during operation, improving the overall efficiency of the system.
* Fast Switching Speed: The VN808-E is designed for fast switching, making it suitable for high-speed switching applications that require precise and quick control of current flow.
* Compact Package: The TO-220 package offers a compact solution for high-power applications while providing good thermal dissipation capabilities.
* Integrated Safety Features: Built-in thermal and overcurrent protection safeguards the device against potentially damaging conditions, enhancing the longevity and reliability of the system.
* Wide Operating Range: The device's wide operating temperature range of -40°C to 150°C makes it ideal for demanding automotive environments and other industrial applications exposed to extreme conditions.
* Robust and Durable: The VN808-E is designed to withstand harsh automotive environments, with a high tolerance to vibration, humidity, and high temperatures, ensuring long-lasting performance even in challenging conditions.

### Conclusion

The STMicroelectronics VN808-E is a versatile and high-performance power MOSFET with exceptional features designed to handle high currents and power dissipation in automotive, industrial, and power management applications. Its integration of VIPower® technology, combined with protection mechanisms, low on-resistance, and high-speed switching, makes it an excellent choice for systems requiring efficiency, reliability, and fast control. The VN808-E excels in applications such as motor control, actuators, and power management systems, ensuring smooth, efficient, and safe operation in demanding environments.