MIC2775-29YM5-TR

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Power management ICs (PMICs) such as MIC2775-29YM5-TR are an important component in any electronic system. PMICs enable efficient and reliable power transfer between different components in the system, and can help ensure the safe operation of the system. The MIC2775-29YM5-TR belongs to a particular category of PMICs, known as supervisors. Supervisors are used to monitor the system’s voltage levels, to detect errors and shutdown the system/components as necessary, and to alert other components in the system.

The MIC2775-29YM5-TR is a microprocessor supervisor specifically designed to monitor the VDD and VSS voltages of embedded microcontrollers. It is suitable for a wide range of applications, including automotive and industrial systems, consumer electronics, and embedded computing. The device includes an enhanced extended voltage monitoring function, which allows it to detect input voltages up to 27V.

The device contains two main components: a controller and a supervisor block. The controller block is responsible for controlling the power sequence of the system, as well as implementing an adjustable power-on delay. The supervisor block constantly monitors the power rail voltages and generates an output signal when the voltage levels go outside their expected ranges. This output signal is used to indicate an error condition or initiate a system reset.

In addition to monitoring the microcontroller’s VDD and VSS supply voltages, the MIC2775-29YM5-TR also offers several other features designed to improve system reliability and performance. These include an internal power-on reset generator, a watchdog timer, an adjustable LOCK pin for preventing system configuration changes, and an adjustable POR time and RESET output delay.

The internal power-on reset generator generates an output in response to an internal temperature sensor, ensuring that the system will only operate when the temperature is within the expected range. The adjustable watchdog timer monitors system activity, and generates an output if it detects an error or inactivity. The adjustable LOCK pin keeps the system configuration locked after initial programming, while the adjustable POR time and RESET output delay further ensure safe operation and reset timing.

In summary, the MIC2775-29YM5-TR is a versatile, efficient, and reliable microprocessor supervisor suitable for a range of applications. It can detect a wide range of input voltages, and offers several features designed to improve the reliability and performance of the system, including an adjustable power-on reset generator, adjustable watchdog timer, adjustable LOCK pin, and adjustable POR time and RESET output delay.

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