In high-performance applications such as server/telecom power supplies, DC-DC converters, motor drives, and battery management systems, the MCAC28P06Y-TP from MCC (Micro Commercial Components) has been a popular choice for designers seeking a balance of current handling and low on-resistance in a P-Channel MOSFET. However, navigating the complexities of the global semiconductor supply chain often introduces challenges: extended lead times, cost volatility, and limited local technical support. These factors can impede production schedules and increase total cost of ownership. In this context, seeking a reliable domestic alternative transitions from a contingency plan to a strategic necessity for ensuring supply chain resilience and cost optimization.
Leveraging its expertise in advanced power semiconductor design, VBsemi introduces the VBQA2625, a P-Channel MOSFET developed as a direct and superior replacement for the MCAC28P06Y-TP. This device offers enhanced electrical parameters, full package compatibility, and the backing of a stable local supply chain, providing a high-performance, cost-effective solution for next-generation power systems.
Performance Superiority: Higher Current, Lower Losses
The VBQA2625 is engineered to outperform the MCAC28P06Y-TP across key specifications, delivering greater power handling and efficiency:
First, the continuous drain current (Id) is rated at -36A, a substantial 29% improvement over the original's -28A. This increased current capability supports higher power density designs and provides a significant performance margin in demanding applications.
Second, the core advantage lies in its exceptionally low on-state resistance. With RDS(on) of just 21mΩ (typical @ Vgs=-10V), the VBQA2625 boasts roughly half the conduction loss compared to the MCAC28P06Y-TP's 40mΩ. This dramatic reduction directly translates to higher system efficiency, lower power dissipation, and reduced thermal management requirements.
Third, it maintains the same -60V drain-source voltage (Vdss), ensuring full compatibility in standard voltage domains. The ±20V gate-source voltage rating offers robust gate protection.
Advanced Trench Technology for Reliable Switching
The MCAC28P06Y-TP utilizes Trench technology to achieve its low RDS(on). The VBQA2625 employs VBsemi's advanced proprietary Trench process, which not only guarantees the low conduction resistance but also optimizes the device's switching characteristics. This results in low gate charge (Qg) and excellent figure of merit (FOM), enabling efficient high-frequency operation. The device is designed for high reliability, with an operating junction temperature range up to 150°C, and undergoes rigorous quality and reliability testing, ensuring stable operation in challenging environments.
Drop-in Replacement: Zero Design Risk, Immediate Implementation
A primary concern in component substitution is the engineering effort required. The VBQA2625 eliminates this hurdle entirely through its fully compatible DFN8 (5x6) package. Its pinout, footprint, and thermal pad design are identical to the MCAC28P06Y-TP (TP variant). Engineers can seamlessly replace the component on existing PCB layouts without any modifications to the circuit board or thermal design, enabling a true "drop-in" substitution. This drastically reduces validation time, avoids costly PCB re-spins, and accelerates time-to-market for product upgrades or new designs.
Local Supply Chain Assurance and Proactive Support
Unlike imported components susceptible to logistical delays and geopolitical factors, the VBQA2625 benefits from VBsemi's integrated domestic manufacturing and supply chain. This ensures stable inventory, shorter lead times, and predictable costs. Furthermore, VBsemi provides direct, responsive technical support, offering detailed application notes, simulation models, and expert assistance to ensure a smooth and successful design-in process, effectively addressing the slow response times often associated with overseas suppliers.
From high-efficiency DC-DC converters and motor control circuits to power path management and battery protection systems, the VBQA2625 stands as the optimal domestic successor to the MCAC28P06Y-TP. With its superior electrical performance, guaranteed package compatibility, and the security of a local supply chain, it empowers designers to enhance product performance while mitigating supply chain risks. Choosing the VBQA2625 is a strategic upgrade—delivering better efficiency, greater reliability, and full peace of mind.