NCP303150 Integrated Power Stage IC

The NCP303150 Integrated Power Stage IC from onsemi (ON Semiconductor) is a high-current, high-efficiency power solution designed for advanced DC-DC buck conversion and VRM applications. This integrated solution combines high-performance MOSFETs and driver circuitry in a single package, significantly reducing package parasitics and overall PCB board space compared to discrete component designs.

NCP303150 is capable of handling very high current loads while maintaining excellent thermal and electrical reliability. It is widely used in CPU, GPU, server, and high-performance computing power stages where compact size, fast switching, and accurate current monitoring are critical. This IC is commonly required in modern motherboard and power module repair and replacement work.

Technical Specifications

• Integrated power stage with driver and MOSFETs

• Capable of average output currents up to 50 A

• 30 V / 30 V MOSFET breakdown voltage for long-term reliability

• High-performance copper-clip 5 mm × 6 mm PQFN package

• Switching frequency support up to 1 MHz

• Compatible with 3.3 V or 5 V PWM input signals

• Supports 3-level PWM input operation

• Precise current monitoring capability

• Optional zero-cross detection with 3-level PWM