In various low-voltage, high-current application scenarios such as DC-DC converters, motor drives, battery management systems, power tools, and portable devices, RENESAS (IDT)'s UPA1760G-E1-AT, with its dual N-channel design, low on-resistance, and robust performance, has been a preferred choice for engineers worldwide. However, in the post-pandemic era marked by global supply chain uncertainties and trade complexities, this imported component faces growing challenges: extended lead times (often 8-12 weeks), procurement costs vulnerable to currency fluctuations, and delayed technical support. These issues hinder production efficiency and cost optimization for downstream enterprises. Against this backdrop, domestic substitution has evolved from an "alternative" to a "strategic imperative," offering a critical path to secure supply chains, reduce costs, and enhance competitiveness.
Leveraging years of expertise in power semiconductors, VBsemi introduces the VBA1328 N-channel power MOSFET through independent R&D. This product is meticulously designed to对标 the UPA1760G-E1-AT, delivering core advantages of parameter enhancements, technological parity, and full package compatibility. It serves as a direct drop-in replacement without circuit modifications, providing a more stable, cost-effective, and locally supported solution for low-voltage electronic systems.
Comprehensive Parameter Advancements, Enhanced Performance, Adapting to Demanding Low-Voltage Conditions.
Tailored as a domestic alternative to the UPA1760G-E1-AT, the VBA1328 achieves significant improvements in key electrical parameters, ensuring robust performance for low-voltage applications:
Firstly, the drain-source voltage is maintained at 30V, matching the original model, while offering a higher gate-source voltage tolerance of ±20V compared to typical ranges. This enhances gate protection against ESD and noise, ensuring reliable operation in electrically noisy environments like motor drives and switching regulators.
Secondly, the continuous drain current is rated at 6.8A, optimized for high-efficiency designs. Although slightly lower than the original model’s 8A, the VBA1328 compensates with drastically reduced conduction losses, making it ideal for applications prioritizing energy savings and thermal management.
Thirdly, the on-state resistance is as low as 16mΩ (@10V gate drive), a substantial improvement over the UPA1760G-E1-AT’s 42mΩ (@4V, 4.0A). This 62% reduction in RDS(on) minimizes conduction losses, boosts overall system efficiency, and reduces heat generation—critical for compact devices and high-frequency switching circuits.
Additionally, the VBA1328 features a gate threshold voltage of 1.7V, enabling easy drive compatibility with mainstream low-voltage controller ICs. The ±20V gate-source voltage rating ensures strong immunity to voltage spikes, while the trench technology underpinning the device delivers fast switching characteristics and improved dv/dt tolerance, seamlessly matching the application demands of the original model.
Enhanced with Advanced Trench Technology, Reliability and Stability Redefined.
The UPA1760G-E1-AT relies on proven MOSFET design for low on-resistance and switching efficiency. The VBA1328 employs state-of-the-art Trench technology, building upon these foundations while elevating reliability across multiple dimensions. The device undergoes rigorous pre-screening, including 100% automated testing and high-temperature aging, to ensure excellent avalanche energy handling and surge resilience. Through optimized cell structure design, it reduces switching losses and enhances thermal performance, maintaining stable operation under high-frequency switching and transient conditions. With an operating temperature range of -55°C to 150°C, the VBA1328 withstands harsh environments, from industrial heat to outdoor extremes. It has passed extended reliability tests such as 1000-hour high-temperature/high-humidity (85°C/85% RH) aging, demonstrating a failure rate well below industry averages. This makes it a dependable choice for mission-critical applications like automotive electronics, consumer power systems, and IoT devices.
Fully Compatible Package, Enabling "Plug-and-Play" Replacement with Zero Hassle.
For downstream enterprises, a major concern in domestic substitution is the engineering overhead of redesign. The VBA1328 eliminates this through seamless package compatibility. The device uses an SOP8 package, identical to the UPA1760G-E1-AT in pinout, pin spacing, dimensions, and footprint. Engineers can directly replace the original component without altering PCB layouts or thermal designs, achieving true "plug-and-play" substitution. This compatibility slashes verification time—sample validation typically completes within 1–2 days—and avoids costs associated with PCB re-spins, mold changes, or re-certification. By preserving original form factors, it accelerates time-to-market and lets enterprises swiftly transition from imported to domestic components, capturing business opportunities with minimal risk.
Local Strength Assurance, Dual Peace of Mind for Supply Chain and Technical Support.
Unlike imported components plagued by logistic delays, trade policies, and exchange rate volatility, VBsemi leverages China’s mature semiconductor ecosystem, with modern production bases and R&D centers in Jiangsu and Guangdong. This enables full-process control and stable mass production of the VBA1328. Standard lead times are compressed to under 3 weeks, with expedited orders supporting 7-day rapid delivery, mitigating risks from global supply chain disruptions and tariffs. As a local brand, VBsemi provides dedicated technical support with "one-on-one" service: comprehensive documentation including substitution验证 reports, detailed datasheets, thermal guidelines, and application circuits; plus tailored selection advice and circuit optimization based on customer needs. For any substitution issues, the technical team responds within 24 hours, offering on-site or remote assistance. This addresses the slow response and high communication costs of imported brands, making the substitution process smooth and worry-free.
From DC-DC converters and motor drives to battery-powered tools and portable electronics; from power management modules and LED drivers to automotive subsystems and consumer devices, the VBA1328—with its core strengths of "superior parameters, enhanced efficiency, package compatibility, supply chain control, and responsive service"—has emerged as the premier domestic alternative to the UPA1760G-E1-AT. It is already adopted by leading firms across industries, earning strong market recognition. Choosing the VBA1328 is not merely a component swap; it is a strategic move to fortify supply chains, optimize costs, and boost product competitiveness—requiring no R&D redesign risks while delivering better performance, stable supply, and unparalleled local support.