MC34160DWR2

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The MC34160DWR2 is a supervisory integrated chip (IC) designed to provide reliable circuit power-on RESET (POR) and system malfunction protection. This IC guarantees reliable system reset in response to power-up/power-down conditions and also detects various types of system malfunctions. The MC34160DWR2 integrates several features in a single package to make system design easier. These features include adjustable POR and reset thresholds along with a monitoring circuitry for voltage and time. This IC is suitable for applications such as data acquisition boards, communication systems, real-time systems, and industrial control systems where monitoring reset and system malfunctions are important.

MC34160DWR2 is designed to monitor the DC power supplied to digital circuits, particularly microprocessors, to ensure that the power supply is not out of range or malfunctioning. Its working principle is based on the detection of power-on reset conditions, such as brown-out detect or loss-of-clock detect. It has two adjustable thresholds; one is the Power-On Reset Threshold (PORDT) and the other is the Reset Threshold (RDT). When the input voltage is greater than the PORDT voltage, the device will output a logic high signal for hysteresis and will hold it until the voltage drops below the RDT voltage. If the input voltage does not fall below the PORDT voltage within a predetermined period of time, the device will then enter the system reset mode.

The MC34160DWR2 also monitors the power supply for under-voltage and over-voltage conditions. If either of these conditions occurs, the device will output a logic high signal to reset the digital circuit. Other features include overcurrent detection, thermal overload detection and external reset input capability. The MC34160DWR2 also includes an adjustable timer that can be used to generate a reset pulse at regular intervals. This timer can be used to power-on digital circuits at intervals or to reset them at regular intervals for synchronizing operations of various subsystems.

The MC34160DWR2 can be used in various types of applications. It is suitable for applications where precise control of the system reset, brown-out detect, over-voltage and under-voltage detect is necessary. It is also suitable for applications where a timer is required for periodic system reset or power-on operations. Applications such as data acquisition boards, communication systems, and industrial control systems can benefit from the features of MC34160DWR2.

In conclusion, the MC34160DWR2 is a highly effective supervisory IC. It is ideal for monitoring power supply voltages and detecting various types of system malfunctions. Its adjustable POR, reset thresholds and monitoring circuitry makes it a useful device for applications where system reset or other power related operations are necessary. Its wide range of features makes it suitable for a variety of applications such as data acquisition boards, communication systems and industrial control systems.

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