This document presents a sliding mode control based maximum power point tracking (MPPT) method for solar PV systems. It discusses modeling of the PV system using a single diode model and the components of the system including the PV array, DC-DC boost converter, and sliding mode controller (SMC). The SMC algorithm tracks the maximum power point by adjusting the duty cycle of the boost converter based on a switching function defined as the slope of the PV characteristics. Simulation results in MATLAB/Simulink demonstrate the effectiveness of the SMC MPPT approach under varying irradiance conditions.