STMicroelectronics VN7140ASTR High-Side N-Channel Power Driver IC
- Brand: STMicroelectronics
- Product Code: VN7140ASTR
- Availability: In Stock
$0.51
- Ex Tax: $0.51
STMicroelectronics VN7140ASTR: Intelligent High-Side Power Driver for Industrial Applications
The STMicroelectronics VN7140ASTR represents a significant advancement in power management technology, combining robust performance with comprehensive protection features in an 8-SOIC package. As part of the VIPower™ family, this high-side N-channel driver IC delivers exceptional reliability for demanding industrial and automotive applications where precision power control is critical.
Advanced Power Management Capabilities
Operating across a wide 4V to 28V load voltage range, the VN7140ASTR demonstrates remarkable versatility in various system architectures. Its 8A maximum output current capacity combined with a mere 140mΩ typical RDS(on) ensures minimal power loss and thermal dissipation, making it ideal for high-efficiency designs. The integrated non-inverting input interface simplifies control circuitry requirements while maintaining fast switching performance.
The device's comprehensive protection suite addresses multiple failure scenarios through intelligent fault management. Built-in mechanisms include current limiting with fixed thresholds, open load detection, thermal shutdown with hysteresis, overvoltage protection, and undervoltage lockout (UVLO). These features work in concert to prevent damage from abnormal operating conditions while providing diagnostic feedback through the status flag output.
Technical Specifications Overview
| Parameter | Specification |
|---|---|
| Package Type | 8-SOIC (3.90mm width) |
| Operating Temperature | -40°C to 150°C (junction) |
| Protection Features | Auto-restart, Status Monitoring |
| Mounting Type | Surface Mount Technology (SMT) |
Design Advantages and Applications
Engineers benefit from the VN7140ASTR's integration of power switch and protection logic in a single package, reducing component count and PCB space requirements. The tape & reel packaging format supports automated assembly processes, while the device's surface mount design aligns with modern manufacturing requirements.
Key application areas include:
- Industrial motor control systems
- Automotive power distribution modules
- Smart factory automation equipment
- High-reliability industrial sensors
- Programmable logic controllers (PLCs)
The device's thermal stability across extreme operating conditions makes it particularly suitable for harsh environments where consistent performance is essential. The VIPower™ technology foundation ensures reliable operation even under voltage transients and load variations common in industrial settings.
Comprehensive System Integration
When implementing the VN7140ASTR in circuit designs, engineers can leverage the built-in status feedback for system diagnostics while relying on the automatic restart feature to recover from fault conditions without manual intervention. The absence of Vcc/Vdd supply requirements simplifies power architecture design, reducing system complexity.
Tags: power driver IC, high-side switch, industrial automation, automotive electronics, protection circuit