Driven by the dual forces of industrial electrification and supply chain autonomy, the domestic substitution of core power devices has evolved from a backup option to a strategic imperative. Facing the stringent requirements for high efficiency, low power consumption, and reliable performance in low-voltage switching applications, finding a domestic alternative solution that is powerful, reliable in quality, and stable in supply has become a critical task for numerous electronics manufacturers and system designers. When focusing on the classic 60V N-channel MOSFET from ROHM—the RJP020N06T100—the VBI1695, launched by VBsemi, emerges as a formidable contender. It not only achieves precise performance alignment but also realizes a leap forward in key parameters based on Trench technology, representing a value transformation from "usable" to "excellent," from "substitution" to "surpassing."
I. Parameter Comparison and Performance Leap: Fundamental Advantages Brought by Trench Technology
The RJP020N06T100 has earned recognition in switching applications due to its 60V voltage rating, 2A continuous drain current, and low on-state resistance of 210mΩ at 2.5V drive. However, as system efficiency demands increase and power density becomes more critical, the limited current handling and higher conduction losses of the device pose challenges.
1.Building on hardware compatibility with the same 60V drain-source voltage and similar package footprint, the VBI1695 achieves significant breakthroughs in key electrical characteristics through advanced Trench technology:
Significantly Reduced On-Resistance: With VGS = 10V, the RDS(on) is as low as 76mΩ, a substantial reduction compared to the reference model. According to the conduction loss formula Pcond = I_D^2⋅RDS(on), losses are dramatically lower at higher current operating points (e.g., up to 5.5A), directly improving system efficiency, reducing temperature rise, and simplifying thermal design.
2.Enhanced Current Capability: The continuous drain current rating of 5.5A, over 2.7 times that of the RJP020N06T100, enables support for higher load currents, expanding application scope and improving system robustness.
3.Optimized Low-Voltage Drive: With a threshold voltage Vth of 1.7V and support for VGS of ±20V, the device maintains excellent switching performance even at low drive voltages (e.g., 2.5V), ensuring compatibility with existing low-voltage control circuits while offering higher drive flexibility.
II. Deepening Application Scenarios: From Functional Replacement to System Upgrade
The VBI1695 not only enables pin-to-pin direct replacement in existing applications of the RJP020N06T100 but can also drive overall system performance improvements with its advantages:
1.Low-Voltage Power Switching
Ideal for DC-DC converters, load switches, and power management circuits in consumer electronics, IoT devices, and automotive auxiliary systems. Lower conduction losses enhance efficiency across the load range, supporting longer battery life and compact designs.
2.Motor Drive and Control
Suitable for small motor drives in appliances, robotics, or automotive pumps, where higher current capability and low RDS(on) ensure reliable operation under dynamic loads, reducing heat generation and improving longevity.
3.Industrial and Renewable Energy Systems
In applications like solar charge controllers, battery protection circuits, or low-voltage inverters, the 60V rating and high efficiency contribute to reduced system losses and improved overall reliability.
4.Portable and Embedded Devices
The SOT89 package and low power dissipation make it an excellent choice for space-constrained applications, enabling higher power density without compromising performance.
III. Beyond Parameters: Reliability, Supply Chain Security, and Full-Lifecycle Value
Choosing the VBI1695 is not only a technical decision but also a consideration of supply chain and commercial strategy:
1.Domestic Supply Chain Security
VBsemi possesses controllable capabilities across the entire chain from chip design and manufacturing to packaging and testing, ensuring stable supply, predictable lead times, effectively responding to external supply fluctuations and trade risks, and safeguarding production continuity for customers.
2.Comprehensive Cost Advantage
With superior performance in current handling and conduction resistance, domestic components offer a more competitive pricing structure and customization support, reducing BOM costs and enhancing end-product market competitiveness.
3.Localized Technical Support
Provides rapid, full-process support from selection, simulation, testing, to failure analysis, assisting customers with system optimization and troubleshooting, accelerating R&D iteration and problem resolution.
IV. Adaptation Recommendations and Replacement Path
For design projects currently using or planning to use the RJP020N06T100, the following steps are recommended for evaluation and switching:
1.Electrical Performance Verification
Compare key waveforms (switching speed, conduction losses, temperature rise) under identical circuit conditions. Utilize the low RDS(on) and high current capability of the VBI1695 to optimize drive parameters for enhanced efficiency and reliability.
2.Thermal Design and Mechanical Validation
Due to reduced conduction losses, thermal management requirements may be relaxed. Evaluate potential downsizing of heat sinks or improved layout for cost savings and miniaturization.
3.Reliability Testing and System Validation
After completing electrical/thermal stress, environmental, and lifespan tests in the lab, proceed to end-product validation to ensure long-term stability in target applications.
Advancing Towards an Autonomous, High-Efficiency Power Electronics Era
The VBsemi VBI1695 is not merely a domestic power MOSFET对标ing international brands; it is a high-performance, high-reliability solution for low-voltage switching systems. Its advantages in conduction loss, current capability, and low-voltage drive compatibility can help customers achieve comprehensive improvements in system efficiency, power density, and overall competitiveness.
In an era where electrification and domestic substitution advance hand-in-hand, choosing the VBI1695 is both a rational decision for technological upgrade and a strategic move for supply chain autonomy. We sincerely recommend this product and look forward to collaborating with you to drive innovation and transformation in power electronics.