MIC706RMY-TR Integrated Circuits (ICs)

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The MIC706RMY-TR is a supervisory circuit that provides reset and watchdog functions for monitoring microcontroller or digital system operations. The device is a set-reset output device that can detect faults caused by power supply voltage or code execution errors. The MIC706RMY-TR allows designers to minimize the complexity of the power up and power down sequence. It combines a reset circuit, a watchdog timer, and a low voltage detector circuit into a single monolithic device on chip.

The MIC706RMY-TR is designed to ensure proper power-up sequencing, to ensure that a processor starts correctly and to prevent code execution errors that could lead to “lockup”. It is ideally suited for battery-powered products that require reliable operation. The reset function provides an active-high reset output (RESET) when the VCC supply voltage is below a threshold typically 2.0V.

The operating principle of the MIC706RMY-TR is based on the charge-up and discharge of a metal-oxide semiconductor (MOS) capacitor, which is part of the mircocontroller or digital system circuit in which the device operates. When VCC is above the reset threshold, the capacitor charges up to a predetermined voltage level, causing the RESET output to become logic high. When VCC drops below the reset threshold, the capacitor will start to discharge. Once the capacitor discharges completely, the RESET output will become logic low, thus preventing further code execution errors and resetting the microcontroller or digital system circuit.

The MIC706RMY-TR also includes a watchdog timer and a reset timer which can be used in combination or separately to monitor system operation and to determine when a reset is necessary. The watchdog timer is set to a predetermined time, usually between 10ms and 10s, to detect code execution errors. The reset timer is set to a sufficient interval, usually between 100ms and 1s, to give the microcontroller or digital system circuit sufficient time to complete its primary initialization sequence.

The MIC706RMY-TR is used in many different areas of application such as consumer electronics, white goods, HVAC, automotive, industrial and medical. It is a reliable and cost-effective solution for reset and watchdog functions in any system that needs to monitor power supply or code execution errors. The device provides an easy-to-use, highly integrated solution for protecting microcontroller or digital system circuits by providing reliable reset and watchdog functions. The MIC706RMY-TR is an ideal choice for systems where time, cost and board size are of the utmost importance.

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