The GR1837CG is a switching controller SOT-26 RoHS manufactured by Grenergy. It is a 3-terminal, low-power, integrated switch with overvoltage, undervoltage, and reverse polarity protection. It features low on-resistance and low reverse current leakage that are integrated with a minimum number of external components. It also has wide input voltage range and a high switching current capability. The device is ideal for applications requiring simple, small, low-cost, and low-component solutions.