NCV78763MW4AR2G

Overview

The NCV78763MW4AR2G is a single-chip, high-efficiency smart power ballast and dual LED driver designed for automotive front lighting applications. It integrates two independent channels capable of delivering up to 1.6 A output current per channel. The device supports both Boost and Buck topologies within a wide input voltage range of 4 V to 40 V. Operating at a switching frequency of 8 MHz, it features PWM dimming capabilities alongside short circuit and thermal protection mechanisms. The component is housed in a QFN-32 package and is qualified to AEC-Q100 standards, ensuring reliability across an operating temperature range from -40°C to +150°C.

Feature Summary

• Integrates dual independent LED driver channels with integrated internal switches for compact system design.
• Supports flexible Boost and Buck converter topologies to accommodate various automotive lighting configurations.
• Includes comprehensive protection features such as short circuit detection and thermal shutdown for enhanced safety.

Applications

• Automotive front lighting systems
• Power ballast circuits for automotive lamps
• Dual-channel LED headlight modules

Procurement Notes

Verify the specific suffix 'MW4' against official onsemi documentation to confirm pinout and electrical characteristics, as variations exist within the NCV78763 family. Confirm availability status directly with the manufacturer or authorized distributors, as lead times and stock levels fluctuate. Ensure the selected package matches the PCB footprint requirements for the QFN-32 configuration.

Selection Notes

Select this component when designing automotive front lighting that requires dual-channel control with high efficiency. The 1.6 A per channel rating suits standard automotive LED loads. Consider the 8 MHz switching frequency for passive component size reduction. Verify compatibility with the vehicle's 4 V to 40 V power supply environment and ensure the QFN-32 package fits the mechanical constraints.

Part Context

The NCV78763 series represents onsemi's second-generation smart power ballast and dual LED drivers. These devices are engineered specifically for the demanding conditions of automotive exterior lighting. The series consolidates multiple functions into a single chip to reduce board space and improve system reliability compared to discrete solutions.

Replacement Considerations

NCV78763DQ0AR2G is listed as a parameter-equivalent alternative within the same product family, offering similar electrical performance in a different package format.