STMicroelectronics

VN808CM

VN808CM Description

The VN808CM from STMicroelectronics is an 8-channel high-side power switch designed for general-purpose load driving applications. Part of the VIPower™ series, this obsolete yet robust IC integrates N-channel MOSFETs with a 1:1 input-to-output ratio, supporting a wide load voltage range of 10.5V to 45V and delivering up to 700mA per channel. Its surface-mount PWRSO36 package ensures compact integration, while the 160mΩ (max) Rds(on) minimizes power dissipation. The device operates without an external Vcc/Vdd supply, simplifying system design.

VN808CM Features

• High-Side Configuration: Enables direct control of loads connected to the positive rail.
• Integrated Protections: Includes fixed current limiting and over-temperature fault protection, with auto-restart functionality for enhanced reliability.
• Status Flag: Provides diagnostic feedback for fault conditions.
• Low Power Loss: Optimized Rds(on) reduces heat generation.
• On/Off Interface: Simple logic-level control for each channel.
• Wide Operating Voltage: Compatible with 12V/24V automotive and industrial systems.
• MSL 3 Rated: Suitable for environments requiring moderate moisture sensitivity handling.

VN808CM Applications

• Automotive Systems: Ideal for driving lamps, solenoids, or relays in body control modules (BCMs).
• Industrial Automation: Controls actuators, valves, or small motors in PLCs.
• Power Distribution: Manages multiple loads in HVAC systems or power supplies.
• Consumer Electronics: Used in appliances or LED arrays requiring multi-channel switching.

Conclusion of VN808CM

The VN808CM excels in multi-channel high-side switching with its low Rds(on), built-in protections, and diagnostic features. While obsolete, its VIPower™ technology and 45V tolerance make it a legacy solution for rugged, space-constrained designs. Engineers seeking alternatives should consider newer STMicroelectronics offerings, but the VN808CM remains a benchmark for reliable, high-current load driving in harsh environments.