Infineon IFX9201SG: A High-Current Half-Bridge Motor Driver IC for Automotive and Industrial Applications

The demand for precise and reliable motor control is a cornerstone of modern automation and automotive systems. Addressing this need, the Infineon IFX9201SG stands out as a highly integrated, robust half-bridge driver IC engineered to deliver superior performance in demanding environments. This component is specifically designed to drive DC motors, actuators, and solenoids with high efficiency and exceptional control.

At the heart of the IFX9201SG's capability is its high-output current capacity, capable of delivering up to 6.5 A continuous current and handling peak currents up to 15 A. This makes it an ideal solution for applications requiring significant torque and power, from automotive power seat adjusters and power closure systems to industrial valves and pumps. The IC integrates two low-RDS(on) N-channel MOSFETs in a half-bridge configuration, which minimizes power losses and improves overall system efficiency, reducing the need for complex heat sinking.

A key strength of this driver is its comprehensive suite of protective features, ensuring maximum system reliability. It includes under-voltage lockout (UVLO), over-current protection (OCP), and overtemperature shutdown (TSD). These safeguards protect both the IC and the connected motor from potential damage caused by electrical faults or harsh operating conditions. Furthermore, its automotive-grade qualification (AEC-Q100) guarantees operation under the extreme temperature ranges and rigorous reliability standards required by the automotive industry.

The device offers a simple interface for microcontroller (MCU) compatibility, accepting standard PWM (Pulse Width Modulation) input signals for precise speed and direction control. This simplifies design-in for engineers, allowing for flexible integration into existing architectures. The integrated charge pump ensures proper operation of the high-side MOSFET, even at low supply voltages, providing stable performance across the entire operating range.

Housed in a compact, surface-mountable PG-DSO-14 package, the IFX9201SG offers a compelling combination of power density and functionality, making it suitable for space-constrained applications without compromising on performance.

ICGOOODFIND: The Infineon IFX9201SG is a highly robust and integrated half-bridge motor driver solution, excelling in high-current delivery, system reliability, and design simplicity. Its automotive-grade ruggedness and rich protective features make it a top-tier choice for developers building next-generation automotive and industrial motion control systems.

Keywords:

Half-Bridge Driver

High-Current Output

Automotive Grade

Motor Control

Protection Features