DS1815R-20/T&R

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The DS1815R-20/T&R is a supervisor from Maxim Integrated, a manufacturer of a wide range of power management integrated circuits (PMICs). It is a low-power, low-footprint device designed to monitor power supply systems. The supervisor consists of an input threshold comparator and a reset output, and it supports a maximum input voltage of 20V, making it suitable for automotive, industrial, and consumer applications.

The regulated power supply systems are highly complex and require constant monitoring to ensure proper operation and protect against potential problems. The DS1815R-20/T&R is designed to supervise the voltage of the system and detect any abnormality. If an undershoot or overshoot of the regulated voltage occurs, the supervisor’s comparator input detects the voltage and immediately sends a reset signal to the reset output. The reset signal is then used to reset the power supply system, which keeps it operating properly and within safe parameters.

The DS1815R-20/T&R also has two output options. The active-high output can drive an external reset circuit, while the active-low output can drive an external comparator circuit. This means that the supervisor can be used for both monitoring and for resetting. The external reset circuit is used to reset the power supply system when the input voltage exceeds the threshold. The external comparator circuit can be used to detect when the input voltage falls below the threshold, and then trigger a reset of the system.

The DS1815R-20/T&R also features an open-drain feature which prevents the output from sinking current, enabling the device to be used in applications that require a high impedance input. This makes the supervisor suitable for use in low-power, noise-sensitive systems.

The DS1815R-20/T&R is ideal for applications requiring reliable power supply monitoring, such as industrial equipment, automotive electronic control units (ECUs) and consumer electronic products. It offers low power consumption, a small package size and a wide operating temperature range, making it suitable for a range of demanding applications.

Overall, the DS1815R-20/T&R is an effective and reliable solution for monitoring power supply systems. By supervising the system voltage, it helps to ensure the system is operating within the safe parameters and prevents potential problems. It is a versatile device, with a variety of output options, making it suitable for a wide range of applications.

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