VNI4140K

A testament to STMicroelectronics' commitment to excellence, the VNI4140K stands out as a monolithic marvel, meticulously crafted using state-of-the-art VIPower technology. Designed to handle the dynamic driving of four independent resistive or inductive loads, this multifaceted device ensures optimal performance while grounding one side for stability. Thanks to its active current limitation feature, the VNI4140K offers unparalleled protection against system power supply disruptions caused by shorted loads, providing peace of mind in high-demand scenarios. Moreover, its integrated thermal shutdown function serves as a failsafe against overheating and short-circuit incidents, highlighting its robust safety measures. In the face of overload conditions, the VNI4140K demonstrates its intelligence by intelligently managing channel operations, automatically cycling them OFF and back ON to maintain ideal junction temperatures. If case temperatures exceed the predefined threshold, the overloaded channel is promptly disabled, awaiting a cooldown period before reactivation. To prevent excessive strain on the power supply from multiple overloaded channels, restarts occur in a staggered fashion, ensuring a smooth and controlled power delivery process. Additionally, the VNI4140K's open drain diagnostics outputs provide real-time feedback on overtemperature instances, underscoring its reliability and versatility in complex driving applications

主な特長

• Pulse width modulation
• Soft shutdown features