In critical power conversion applications such as server power supplies, automotive DC-DC converters, high-density POL modules, and high-current switch-mode regulators, TOSHIBA's TPH2R306NH,L1Q(M, renowned for its high-speed switching capability, ultra-low gate charge, and minimal on-resistance, has been a benchmark for design engineers. However, navigating the complexities of global procurement—extended lead times, cost volatility, and distant technical support—poses significant challenges for production stability and cost optimization. This pressing need transforms domestic substitution from a strategic consideration into an operational imperative, crucial for securing supply chains and enhancing product competitiveness.
VBsemi addresses this demand with the independently developed VBGQA1602 N-channel MOSFET. Meticulously designed to counterpart the TPH2R306NH, it delivers decisive advantages through parameter enhancement, advanced SGT (Shielded Gate Trench) technology, and full package compatibility. This solution enables a direct, drop-in replacement, offering a more powerful, efficient, and reliable alternative for next-generation high-current switching systems.
Parameter Leadership and Enhanced Performance for Demanding Applications
As a precise domestic alternative, the VBGQA1602 achieves significant, all-round improvements over the TPH2R306NH, providing greater headroom and efficiency:
Superior Current Handling: The continuous drain current (ID) is dramatically increased to 180A, tripling the original model's 60A. This massive current capability effortlessly supports higher power density designs and improves system robustness and overload tolerance.
Lower Conduction Losses: It features an exceptionally low on-state resistance of 1.7mΩ (at VGS=10V), outperforming the original's 1.9mΩ. This reduction directly minimizes conduction losses, boosts overall system efficiency, and alleviates thermal management challenges.
Robust Voltage Ratings: With a drain-source voltage (VDS) of 60V and a gate-source voltage (VGS) rating of ±20V, it matches the core voltage requirements while offering robust gate protection against spikes and noise in demanding environments.
Optimized Drive Characteristics: A standard 3V gate threshold voltage (Vth) ensures reliable switching and seamless compatibility with mainstream driver ICs, requiring no circuit adjustments.
Advanced SGT Technology: Enabling Faster Switching and Higher Reliability
The TPH2R306NH excels with its high-speed switching and low gate charge. The VBGQA1602 leverages VBsemi's proprietary SGT (Shielded Gate Trench) technology, which takes these attributes further. This technology achieves an excellent balance between ultra-low RDS(on) and drastically reduced gate charge (Qg), significantly lowering both switching and conduction losses. The result is superior efficiency, especially in high-frequency DC-DC applications. Furthermore, the optimized design enhances dv/dt robustness and device stability, ensuring reliable operation under fast transient conditions. Rigorous reliability testing, including 100% production screening, guarantees long-term performance for mission-critical applications.
Seamless DFN8(5x6) Package Compatibility for Zero-Risk Replacement
The VBGQA1602 is housed in a DFN8(5x6) package, which is fully compatible with the TPH2R306NH in footprint, pinout, and pad layout. This complete package equivalence allows for a true "plug-and-play" replacement, eliminating the need for PCB redesign, thermal re-layout, or mechanical modifications. The benefits are immediate: it slashes verification time (typically to 1-2 days), avoids additional costs for tooling or recertification, and enables a rapid transition to a superior domestic solution without disrupting production schedules.
Localized Supply Chain Assurance and Proactive Technical Support
Contrasting with the uncertainties of international supply chains, VBsemi guarantees stable, local production of the VBGQA1602. Standard lead times are reliably shortened, with expedited options available, shielding customers from geopolitical, logistical, or trade-related disruptions. Complementing this supply security, VBsemi's local technical team provides dedicated, responsive support. From comprehensive documentation (including substitution guides, datasheets, and application notes) to scenario-specific design consultation and rapid troubleshooting, we ensure a smooth, supported transition, effectively resolving the slow response times often associated with overseas suppliers.
From high-efficiency server PSUs and automotive DC-DC converters to industrial switch-mode regulators and high-density power modules, the VBGQA1602 stands out as the optimal domestic successor to the TOSHIBA TPH2R306NH. Its core strengths—higher current capacity, lower losses, advanced SGT technology, perfect package compatibility, and secured local supply—have already earned validation across diverse industry applications. Choosing the VBGQA1602 is more than a component swap; it's a strategic upgrade towards greater performance resilience, supply chain control, and cost-effectiveness—all achieved with zero redesign risk.