CH451L is a DIP-24_300mil RoHS driver IC manufactured by Qin Heng. It is specifically designed for controlling motors and can operate at high speeds of up to 500mV/ms. It features active voltage driving, an adjustable reference voltage, a low shutdown current, and can be used in both linear and switching modes. In addition, it has over current protection, and an adjustable output current. It is compatible with both 5V and 3.3V voltage systems.