The VN920 from STMicroelectronics is a robust, high-side driver designed to deliver outstanding performance in driving solenoids, lamps, and resistive or inductive loads. This high-side switch is a part of ST's VIPower family, which is renowned for its reliability and efficiency in automotive and industrial applications.
Key Features
- Integrated Vertical Current Flow Power MOSFET: The VN920 is built with a vertical current flow power MOSFET, providing efficient current handling capabilities with a typical RDS(on) of only 35 mΩ.
- Wide Operating Voltage Range: It operates over a wide supply voltage range from 5.5V to 36V, making it suitable for 12V automotive systems and ensuring functionality during low battery conditions.
- Over-Temperature Protection: The device includes a thermal shutdown feature to protect against over-temperature conditions, enhancing the safety and longevity of the application.
- Load Current Limitation: With an adjustable current limitation, the VN920 prevents damage from overload conditions, ensuring reliable operation under various load conditions.
- Diagnostic Functions: Equipped with diagnostic functions, the VN920 provides feedback on the status of the load, including open-load detection when the device is off and feedback of the load current while the device is on.
- Protection Features: It includes under-voltage shutdown and over-voltage clamp protections to safeguard the device and the load from electrical hazards.
Applications
The VN920 high-side driver is ideal for a wide range of applications, particularly where robust and protected load driving is required. Common uses include:
- Automotive applications, such as driving lights, fans, and pumps
- Industrial control systems
- Driving resistive and inductive loads in embedded systems
Package and Quality
The VN920 is available in a compact and robust PowerSO-10 package, ensuring easy integration into various designs. It is also qualified for automotive applications, complying with the rigorous AEC-Q100 standards, which attest to its quality and reliability in harsh environments.
With its array of protective features, diagnostic capabilities, and efficient power management, the VN920 high-side driver from STMicroelectronics stands out as a superior choice for driving high-power loads in demanding applications.
