STMicroelectronics

VN820-B5

VN820-B5 Description

The VN820-B5 is an integrated circuit power driver designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This device is classified under Power Distribution Switches and Load Drivers, offering robust performance and reliability for various electronic applications. The VN820-B5 features a high-side output configuration, making it ideal for applications requiring direct control of power delivery to a load. Despite being marked as obsolete, the VN820-B5 remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

VN820-B5 Features

The VN820-B5 boasts several key features that enhance its performance and functionality:

• Output Configuration: High Side, allowing for straightforward integration into existing power distribution architectures.
• Current Handling: Capable of delivering a maximum output current of 9A, ensuring robust performance in demanding applications.
• Package Type: P2PAK (4 Leads + Tab), which provides a compact and efficient solution suitable for surface-mount applications.
• Fault Protection: Equipped with comprehensive protection mechanisms, including current limiting (fixed), open load detection, over-temperature, and over-voltage protection. These features safeguard the device and connected components from potential damage.
• Auto Restart and Status Flag: These features enhance system reliability by automatically attempting to re-establish a connection if a fault is detected, while the status flag provides real-time monitoring of the device's operational state.
• Load Voltage Range: Compatible with a wide load voltage range of 5.5V to 36V, making it versatile for various power supply requirements.
• Low On-Resistance: A typical Rds On of 40mOhm (max) ensures minimal power loss and high efficiency during operation.
• Compliance: The VN820-B5 is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 3 (168 Hours), ensuring the device remains reliable in various environmental conditions.

VN820-B5 Applications

The VN820-B5 is well-suited for a variety of applications due to its robust features and versatile design:

• Automotive Electronics: Ideal for controlling power to various automotive components, such as lights, fans, and actuators, where high reliability and fault protection are crucial.
• Industrial Control Systems: Suitable for driving actuators, relays, and other industrial loads that require precise control and protection against over-current and over-voltage conditions.
• Power Distribution Networks: Effective in managing power distribution in complex systems, ensuring efficient power delivery and minimizing energy loss.
• Consumer Electronics: Can be used in applications like power supplies for home appliances, where the device's compact size and high current handling capability are beneficial.

Conclusion of VN820-B5

The VN820-B5 by STMicroelectronics is a versatile and reliable power driver that offers a comprehensive set of features tailored for high-side power distribution and load driving applications. Despite its obsolete status, the device remains a valuable option for specific applications where its unique capabilities, such as high current handling, comprehensive fault protection, and wide load voltage range, are essential. The VN820-B5's compliance with environmental and safety standards further enhances its suitability for modern electronic systems. For engineers and designers seeking a robust and efficient power driver, the VN820-B5 is a worthy consideration.