This part is a kind of semiconductor called A4953.

Function of this product has (A4952 / A4953) Full-Bridge DMOS PWM Motor Drivers.

Manufacturers : Allegro

Image and pinout :

Some of the text within the PDF file :

A4952 and A4953 Full-Bridge DMOS PWM Motor Drivers Features and Benefits • Low RDS(on) outputs • Overcurrent protection (OCP) ▫ Motor short protection ▫ Motor lead short to ground protection ▫ Motor lead short to battery protection • Low Power Standby mode • Adjustable PWM current limit • Synchronous rectification • Internal undervoltage lockout (UVLO) • Crossover-current protection • Fault output (A4952 only) • Selectable retry (A4952 only) Description Designed for pulse width modulated (PWM) control of DC motors, the A4952 and A4953 are capable of peak output currents to ±2 A and operating voltages to 40 V. Input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals. Internal synchronous r [ ... ]

A4953 PDF Datasheet Download