A3941KLPT Power Steering Control Module Driver IC / Automotive Full-Bridge MOSFET Driver

The A3941KLPT is a specialized full-bridge MOSFET driver integrated circuit designed specifically for automotive applications requiring high-power inductive load control.

This component serves as a critical control element for power steering computer modules, managing the precise current flow and direction to brush DC motors found in electric power steering systems.

Engineered to withstand harsh automotive environments, this driver chip operates reliably across a wide temperature range from -40°C to +150°C, ensuring consistent performance under extreme under-hood conditions .

The chip features a unique charge pump regulator that provides full gate drive for battery voltages down to 7 V, with continued operation possible even at 5.5 V during severe voltage drops .

This robust driver is capable of 100% PWM duty cycle operation through its built-in top-off charge pump, making it suitable for demanding continuous drive applications .

The A3941KLPT is available in a compact 28-pin TSSOP surface-mount package with an exposed thermal pad, which facilitates efficient heat dissipation in dense PCB layouts .

Integrated diagnostic features provide indications of undervoltage, overtemperature, and power bridge faults, with configurable protection to safeguard power MOSFETs under most short circuit conditions .

This IC includes four high-current gate drivers configured as two high-side and two low-side drivers, capable of driving various N-channel power MOSFETs for optimal performance .

Low current sleep mode allows the device to remain connected to the vehicle battery without excessive power drain, eliminating the need for additional power switching components .

This product is a high-quality replacement part ideal for automotive repair professionals and electronics technicians specializing in power steering system repairs.