MAX16114Q17MA+

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The MAX16114Q17MA+ is a member of the MAX1611/MAX1612 family of microprocessor supervisors with longest-available reset timeout. This supervisors device incorporated Supervisory Circuits providing reset and supply voltage monitoring for single-voltage or dual-voltage applications. This part is designed for high-accuracy monitoring and reset threshold voltage, higher reset timeout and improved active-high push-pull reset output levels. It contains an undervoltage protection CRESET# circuit to generate an active-low reset when the supply voltage drops below the reset threshold or manual reset is activated.

The MAX16114Q17MA+ is ideal for applications where high reset accuracy over temperature is needed for system supply voltage monitoring. This part is well suited for automotive sensor and module monitoring applications based on MCUs and ASSPs. The MAX16114Q17MA+ provides a higher reset threshold accuracy of 4.5%, low reset timeout of 38ms and reset timeout accuracy of 18.5% over temperature. The part\'s tight reset accuracy and high reset timeout accuracy results in higher system reliability in multiple voltage systems.

The MAX16114Q17MA+ is a member of the Supervisors family and their main purpose is to monitor a system supply voltage or other user-defined condition for an electronic system. If a system supply voltage or other condition is above the supervisor\'s reset threshold, the supervisor\'s output is forced low. If the supply voltage or other condition is below the supervisor\'s reset threshold, the supervisor\'s output is reset high and the required action is taken. In the case of the MAX16114Q17MA+, its reset output is an active-high push-pull output.

The MAX16114Q17MA+ has a wide operating temperature range of -40°C to +125°C and incorporates advanced internal current limiting, diagnostics capability, overtemperature protection, and manual reset capability with the MR input pin. It includes a wide operating supply voltage range of 1.6V to 5.5V which allows for flexibility in its application in different system voltages. The device is internally debounced for accurate detection of reset threshold and reset output brings up from low state to high state with glitch free reset pulse. The applications of the MAX16114Q17MA+ include automotive supply voltage monitoring applications, industrial applications, module monitoring systems and battery-backed systems.

The fundamental operating principle of the MAX16114Q17MA+ is to detect variations from a preset voltage threshold, called the Reset threshold voltage (V_RT). If the V_RT is exceeded, the output reset signal is maintained in an inactive asserted state by virtue of an internal latch. If the V_RT is undershot, the output reset signal will switch to an active deasserted state, thereby signaling the onset of a reset condition. The manual reset signal is asserted in order to establish, reset, or terminate a reset state.

In conclusion, the MAX16114Q17MA+ is an ideal solution for applications requiring accurate and reliable supply voltage monitoring, due to its reset timeout accuracy and extended operating temperature range. With its wide operating voltage range and manual reset input capabilities, the device is well-suited for a variety of automotive, industrial, module monitoring, and battery-backed systems.

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