Infineon IPD90N04S4L04ATMA1: A High-Performance OptiMOS Power MOSFET for Advanced Automotive and Industrial Applications
The relentless drive towards higher efficiency, greater power density, and enhanced reliability in automotive and industrial systems places immense demand on power switching components. Addressing these challenges head-on, the Infineon IPD90N04S4L04ATMA1 stands out as a premier OptiMOS power MOSFET engineered to deliver exceptional performance in the most demanding environments.
This device is characterized by its ultra-low on-state resistance (RDS(on)) of just 0.9 mΩ (max). This critical parameter is a primary determinant of efficiency, as a lower RDS(on) directly translates to reduced conduction losses. When a MOSFET is in its on-state, it behaves like a resistor; the lower this resistance, the less power is dissipated as heat. This inherent efficiency is paramount for applications like electric power steering (EPS), braking systems, and high-current DC-DC converters, where every percentage point of loss reduction contributes to better fuel economy in vehicles or lower operating costs in industrial equipment.

Beyond raw efficiency, the IPD90N04S4L04ATMA1 is built for robustness. It is AEC-Q101 qualified, certifying its suitability for the harsh operating conditions standard in the automotive industry. This includes exceptional resilience against temperature fluctuations, mechanical stress, and prolonged operational life. Furthermore, its high avalanche ruggedness ensures it can withstand voltage spikes and transient events that are common in inductive load switching, such as in motor control circuits, enhancing system-level reliability and longevity.
The component also excels in switching performance. The low gate charge (Qg) and figure of merit (FOM) of the OptiMOS technology enable very fast switching speeds. This allows for higher frequency operation in switch-mode power supplies (SMPS), which in turn permits the use of smaller passive components like inductors and capacitors, leading to more compact and lightweight system designs. This is a crucial advantage for space-constrained applications like onboard chargers (OBC) for electric vehicles or densely packed industrial automation controllers.
In summary, the Infineon IPD90N04S4L04ATMA1 represents a fusion of high efficiency, proven robustness, and superior switching characteristics, making it an ideal semiconductor solution for pushing the boundaries of performance in next-generation applications.
ICGOODFIND: The Infineon IPD90N04S4L04ATMA1 is a top-tier OptiMOS MOSFET that sets a high standard for power switching, offering automotive-grade reliability and industry-leading efficiency for advanced electronic systems.
Keywords: OptiMOS, Ultra-low RDS(on), AEC-Q101, Automotive Grade, High Efficiency
