When your circuit needs protection from any voltage spikes be sure to use this voltage detector MCP111-195I/TO voltage monitor IC from Microchip Technology. This device has a minimum operating supply voltage of 1 V and a maximum of 5.5 V. This voltage supervisor IC has a minimum operating temperature of -40 °C and a maximum of 85 °C. It has a typical reset threshold voltage of 1.9 V, with a minimum of 1.872 V and a maximum of 1.929 V.