VN820-B5

Power Distribution Switches, Load Drivers Overview

The VN820-B5 is a high-side gate driver from STMicroelectronics, part of the VN820-E series. It utilizes VIPower M0-3 technology for driving loads with one side connected to ground. Key electrical parameters include a supply voltage range of 5.5 V to 36 V and an output current capability of 9 A. The device operates within a temperature range of -40°C to +150°C. It features CMOS-compatible inputs and integrates protection mechanisms such as thermal shutdown, undervoltage lockout, and overvoltage clamping.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates active current limitation combined with thermal shutdown and automatic restart for overload protection
• Detects open-load conditions in both on-state and off-state, including short-to-Vcc detection
• Features an active VCC pin voltage clamp to protect against low-energy transient spikes
• Automatically turns off if the ground pin becomes disconnected

Power Distribution Switches, Load Drivers Applications

• Driving automotive loads with one side connected to ground
• High-side switching applications requiring robust transient protection
• Systems needing integrated diagnostic capabilities for load faults

Power Distribution Switches, Load Drivers Procurement Notes

Verify the exact suffix (e.g., B5, PTTR) against the datasheet to confirm package type and reel specifications. Ensure the component meets AEC-Q100 automotive grade requirements if used in automotive contexts. Confirm RoHS compliance and ECOPACK lead-free status. Check humidity sensitivity levels for storage and handling procedures.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for single-channel high-side driving needs with high current capability. Consider the P2PAK-4 or similar package variants based on thermal dissipation requirements. Evaluate the need for specific diagnostic outputs, as basic models may lack analog current sense compared to variants like the VN920. Ensure input logic compatibility with the controlling microcontroller.

Power Distribution Switches, Load Drivers Part Context

The VN820-E series belongs to STMicroelectronics' VIPower M0-3 family, designed for robust power management in automotive and industrial environments. This monolithic device integrates power MOSFETs with control and protection circuitry on a single silicon die, simplifying design and enhancing reliability for high-side load driving applications.

Power Distribution Switches, Load Drivers Replacement Considerations

Check for direct substitutes within the VN820-E family with different suffixes indicating package variations. Verify functional equivalence regarding pinout, voltage ratings, and current capacity before replacing.