NCP81080DR2G

Gate Driver Overview

The NCP81080DR2G is a high-performance dual MOSFET gate driver manufactured by onsemi, designed for driving both high-side and low-side N-channel power devices. It operates within a supply voltage range of 5.5 V to 20 V and delivers peak output currents of 500 mA. The device features TTL-compatible logic inputs with defined thresholds at 1.2 V and 1.8 V. Packaged in an 8-SOIC format, it supports switching frequencies up to 500 kHz and functions reliably across an extended temperature range from -40°C to +125°C.

Gate Driver Feature Summary

• Dual-channel architecture providing independent high-side and low-side drive capabilities for half-bridge configurations.
• TTL/CMOS compatible input logic ensures seamless integration with standard digital control interfaces without level shifting requirements.
• Robust thermal management design allows stable operation under high-frequency switching conditions up to 500 kHz.

Gate Driver Applications

• Half-bridge power stages in DC-DC converters
• Motor control systems requiring precise N-channel MOSFET actuation
• Industrial power supplies utilizing synchronous rectification

Gate Driver Procurement Notes

Verify the specific suffix DR2G corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the 8-SOIC footprint matches the target PCB layout dimensions. Ensure the operating voltage range aligns with the system's available supply rails before finalizing procurement specifications.

Gate Driver Selection Notes

Select this component when a dual-channel solution is needed for driving N-channel MOSFETs in half-bridge topologies. It is suitable for applications requiring TTL-compatible control signals and moderate peak current drive capabilities. Consider the SOIC-8 package constraints and thermal dissipation requirements relative to the expected switching frequency and ambient temperature conditions.

Gate Driver Part Context

This part belongs to the NCP81080 series of high-voltage gate drivers from onsemi. It serves as a specialized interface between low-power logic controllers and high-power switching elements. The series is engineered for efficiency and reliability in power conversion applications, distinguishing itself through integrated protection features and fast switching characteristics.

Gate Driver Replacement Considerations

The NCP81080MNTBG is a documented alternative within the same product family, offering identical electrical performance but housed in a DFN-8 package. Verify pinout compatibility and thermal pad requirements when substituting between the SOIC-8 and DFN-8 form factors.

Gate Driver FAQ

What is the maximum switching frequency supported by the NCP81080DR2G?

The device is rated for switching frequencies up to 500 kHz.

Does the NCP81080DR2G support P-channel MOSFETs?

No, the datasheet specifies that this driver is designed for N-channel MOSFETs only.