The HT16511 is a high-performance, low-power consumption driver IC manufactured by Holtek. It features a LQFP-52 RoHS package and is RoHS compliant. The HT16511 has a low operating voltage of 3.3V, making it suitable for applications that require low voltage levels. It is designed to drive two-phase motors with a maximum current rating of up to 2A. The HT16511 can be used in various motion control applications, such as robotics, cameras, printer mechanisms, and home appliances. It has a built-in microstep controller that allows users to adjust the speed and direction of the motor. Additionally, the IC has features such as thermal protection, current sensing, and overcurrent protection that provide enhanced safety and reliability. The HT16511 is available in a variety of package sizes, making it suitable for a wide range of applications.