The HV9861ANG-G is a high voltage MOSFET driver with PWM and linear dimming capabilities. It has an external MOSFET driver with maximum input voltage of 12-450V, making it suitable for a wide variety of applications. It is designed and manufactured by Microchip, a leading supplier of high quality electronic components. The device includes features such as integrated over-temperature, short-circuit, power acoustic noise, and under-voltage protection, making it suitable for use in a wide range of applications such as LED lighting, lighting dimming, and HVAC control. It also includes built-in monitoring and diagnostics capabilities, allowing for improved system performance and diagnostics.