STMicroelectronics

VNB28N04  

Power Distribution Switches, Load Drivers

VNB28N04 Description

The VNB28N04 is a high-performance power distribution switch and load driver designed by STMicroelectronics. This IC is part of the OMNIFET™ and VIPower™ series, known for their robustness and reliability in power management applications. The device features a low-side output configuration, making it ideal for applications where the load is connected between the power supply and the switch. With a maximum output current of 19A and a maximum load voltage of 31V, the VNB28N04 is capable of handling substantial power loads efficiently.

The VNB28N04 is housed in a D2PAK package, which is suitable for surface-mount technology (SMT), ensuring ease of integration into modern PCB designs. The device has a typical on-state resistance (Rds On) of 35mOhm, which minimizes power loss and enhances overall system efficiency. Additionally, the VNB28N04 includes a status flag feature, providing real-time monitoring of the switch's operational status.

VNB28N04 Features

• Output Configuration: Low Side
• Current - Output (Max): 19A
• Voltage - Load: 31V (Max)
• Rds On (Typ): 35mOhm (Max)
• Number of Outputs: 1
• Features: Status Flag
• Fault Protection: Current Limiting (Fixed), Over Temperature, Over Voltage
• Mounting Type: Surface Mount
• Package: D2PAK
• Series: OMNIFET™, VIPower™
• Interface: On/Off

The VNB28N04 also boasts compliance with industry standards, including REACH Unaffected status and ROHS3 compliance, ensuring environmental sustainability and regulatory adherence. The device has a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure, making it suitable for various manufacturing environments.

VNB28N04 Applications

The VNB28N04 is well-suited for a variety of applications that require reliable power distribution and load management. Its robust design and high current handling capability make it ideal for:

• Automotive Electronics: Managing power loads in automotive systems, such as infotainment systems, lighting, and electronic control units.
• Industrial Control Systems: Controlling power distribution in industrial automation and control systems.
• Consumer Electronics: Power management in devices such as laptops, tablets, and other portable electronics.
• Telecommunications: Powering and managing loads in telecommunication infrastructure equipment.

The VNB28N04's low-side configuration and status flag feature provide enhanced control and monitoring capabilities, making it a preferred choice for applications where precise power management is critical.

Conclusion of VNB28N04

The VNB28N04 by STMicroelectronics is a versatile and reliable power distribution switch and load driver. Its high current handling capability, low on-state resistance, and robust fault protection features make it an excellent choice for a wide range of applications. The inclusion of a status flag and compliance with industry standards further enhance its appeal. Despite being marked as obsolete, the VNB28N04 remains a valuable component for engineers and designers looking for a dependable power management solution.

VNB28N04 Documents

Download datasheets and manufacturer documentation for VNB28N04