High voltage comparator with low-sensitivity to variations of process/temperature and supply

The invention relates to a high voltage comparator with low-sensitivity to variations of process/temperature and supply. A voltage comparator for detecting a voltage difference (VA-VB) in a high-voltage domain, wherein said comparator receives an input voltage (V input) and compares it with a reference voltage (V reference) also received in input, in which the output voltage from the comparator (COMP) assumes the logic value 1 if the input voltage (V input) is greater than the reference voltage (V reference) and assumes the logic value 0 if the input voltage (V input) is less than or equal tothe reference voltage (V reference), wherein said comparator (COMP) comprises low-voltage components (M1-4, M5-6) and a single high-voltage component (M7). In particular, the low-voltage components (M1-4, M5-6) are MOS transistors and the high-voltage component (M7) is a high-voltage PMOS. 本申请涉及对工艺/温度和电源变化具有低灵敏度的HV电压比较器。种用于检测高电压域中的电压差(V-V)的电压比较器，其中，该比较器接收输入电压(V)并且将其与同样在输入中接收到的基准电压(V)进行比较，其中，来自该比较器(COMP)的输出电压(V)在该输入电压(V)大于