MAX6348XR37-T

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PMIC - Supervisors are electronic devices responsible for ensuring safety and performance of a variety of electronic systems. They are regularly used in consumer products, medical devices, military systems, and industrial environments. One such type of supervisor is the MAX6348XR37-T, which is a precision micropower voltage supervisor.

The MAX6348XR37-T uniquely combines a voltage monitor and power-on-reset functionality in a single 8-pin package. It has exceptional accuracy with fewer than 10mV over-voltage and under-voltage detection. It features a reset output and an output delay of less than 400µs, making it well-suited for monitoring critical supply rails in systems with long cold-start times. Finally, the device exhibits >400nA supply current, making it a great choice for battery powered applications.

The precision supply monitoring principle of the MAX6348XR37-T relies on a precision bandgap reference and comparator that provides two levels of power-on reset protection. The first level is a fast brownout protection (BOP) that is designed to prevent data corruption or processor/system lock-up by quickly asserting a reset signal during an under-voltage condition. The second level of protection is a longer-term power-on reset (POR) which ensures that the processor/system is initialized properly each time the system is powered on or reset.

The MAX6348XR37-T device is specifically designed for use in reliable, cost-sensitive, and space-constrained systems. It is ideal for in-circuit reset applications, or systems which have long boot times that would not respond well to traditional reset circuits. Additionally, its ultra-low supply current makes it well-suited for battery powered applications, allowing it to run as long as the battery is functional.

The MAX6348XR37-T is used widely across a wide range of industries, ranging from consumer devices to medical equipment to industrial systems. It is regularly used in highly reliable devices, where accuracy, reliability, and safety are paramount. These applications include, but are not limited to, single board computers, power management systems, cellular base stations, automotive systems, and industrial controllers.

In summary, the MAX6348XR37-T is a precision micropower voltage supervisor designed for reliable, cost-sensitive, and space-constrained systems. It offers two levels of power-on reset protection, with a fast BOP for under-voltage conditions and a longer-term POR for initialization. Additionally, its ultra-low supply current makes it suitable for battery powered applications. As such, it is widely used across a number of industries, from consumer electronics to medical equipment to industrial controllers.

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