DS1236N-5

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PMIC (Power Management IC), or PMU (Power Management Unit), are integrated circuits that help manage power consumption in all kinds of electronic systems. The devices, also known as supervisors, are designed to help safeguard and control circuitry by providing an appropriate supply voltage and preventing system latchup. The DS1236N-5 Supervisory Circuits are PMICs that can play an essential role in a wide range of applications.

The DS1236N-5, developed by Maxim Integrated, is a versatile watchdog supervisor. Its chief feature is its ability to monitor a system by providing a low power consumption and precision power-on reset. Its small size (1 mm X 1.4 mm) makes it well-suited for small device applications, such as hand-held devices, portable appliances, and automotive and industrial control systems.

In essence, the DS1236N-5 monitors system activity by detecting an overcurrent condition and providing a duration adjustable reset response. It can detect an undercurrent or overtemperature situation and reset the system as needed. The device is also able to supply a low delay reset to an overcurrent system, ideal for applications such as smoke detectors and solar energy monitoring.

In order to achieve this, the DS1236N-5 constantly monitors the voltage levels of a system and will initiate a reset when it detects any overcurrent or overtemperature situation. The device is designed to detect and respond to a number of different events. For instance, when the system is powered on, the device will assert a reset signal. The reset signal also occurs when a reset pin is pulled low. Additionally, the device is able to monitor the current drawn by the system and will generate an appropriate response in case the current exceeds a certain threshold.

The DS1236N-5 also incorporates several advanced features, such as over-voltage and under-voltage protection, a low-dropout comparator, an advanced charge pump, and an adjustable delay delay reset circuit. It is also able to monitor both battery levels and system temperature, allowing it to detect any dangerous temperature or charge cycles. The unique cold temperature reset function ensures that the device is not affected by extreme cold temperatures, a common source of errors in many systems.

The versatile DS1236N-5 watchdog supervisor is well-suited for a wide variety of applications, such as automotive and industrial control systems, consumer electronics, smoke detectors and solar energy monitoring. Its integrated features make it an invaluable component in many systems, providing a low power consumption and precision power-on reset.

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