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2022-09-24 23:33:15
ICL7665 - Microprocessor Voltage Monitor with
The ICL7665 warns of overvoltage microprocessor (MPS) and undervoltage conditions. Draw a typical operating current of only 3µA. The trip point and hysteresis are both voltage senses individually programmable through external resistors for any voltage greater than 1.3V. The ICL7665 will operate from any supply voltage in the range of 1.6V to 16V, while monitoring voltages from 1.3V to several hundred volts. Maxim's ICL7665A is an improved version with a 2% accurate VSET1 threshold and guaranteed performance over temperature. The 3µA quiescent current of the ICL7665 makes it ideal for voltage monitoring in battery powered systems. In both battery and line powered systems, the unique combination of reference, two comparators, and hysteresis output reduces the size and component count of many circuits.
Applications Microprocessor voltage monitoring Low battery voltage detection Power failure and brownout detection Backup battery switching Power failure monitoring Over/under voltage protection High/low temperature, pressure, voltage alarms