VNQ660SP Quad-Channel High-Side Driver IC – Solid-State Relay for HVAC Compressor & Solenoid Control
The VNQ660SP is a monolithic quad-channel high-side solid-state relay driver IC, built using advanced VIPower M0-3 technology for demanding automotive load control applications.
This device is specifically designed to drive resistive or inductive loads with one side connected to ground, making it ideal for controlling HVAC compressor clutches, fuel injectors, solenoid valves, and lighting systems.
Each of the four independent channels delivers a continuous output current of up to 6A, with an extremely low on-state resistance of just 40mΩ per channel for superior power efficiency.
The device operates across a wide supply voltage range of 6V to 36V, accommodating the varying voltage conditions found in automotive electrical systems.
CMOS compatible inputs simplify integration with standard microcontrollers, while the non-inverting input type allows for straightforward on/off control of each channel.
Comprehensive fault protection ensures robust system reliability, including over-temperature shutdown, overvoltage clamp, undervoltage shutdown, and current limitation.
Advanced diagnostic features include open-load detection in the OFF state and a status flag output for real-time fault reporting to the ECU.
The device is protected against loss of ground, loss of VCC, and reverse battery conditions, eliminating the need for external protection diodes.
With very low standby power dissipation, this driver is an energy-efficient choice for power-sensitive automotive modules.
Housed in a PowerSO-10 package with an exposed pad, it offers excellent thermal performance for under-hood applications where heat dissipation is critical.
This IC is particularly suited for HVAC compressor clutch control, where reliable high-current switching is essential for proper air conditioning system operation.
Its quad-channel architecture also enables efficient control of multiple loads from a single package, reducing PCB footprint and overall system complexity.