NCP300LSN47T1G Integrated Circuits (ICs)

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PMIC supervisors, such as the NCP300LSN47T1G from ON Semiconductor, are highly versatile integrated circuits (ICs) designed to monitor and protect systems such as microprocessors, power supplies, and embedded controllers. They provide a number of features such as system reset, watchdog timer, power supply sequencers, voltage monitoring, power-on-reset (POR), and temperature monitoring.

The NCP300LSN47T1G is a cost-effective PMIC supervisor that is suited for industrial, automotive and appliance applications. It provides voltage monitoring capability, reset outputs, watchdog timer, and separate power-on-reset outputs, enabling the supervision of microprocessor, DSP, and FPGA systems. It enables the protection of multiple power supply rails, allowing for design flexibility and the selection of up to eight different trip points (2.5 V to 5.8 V).

In addition, the NCP300LSN47T1G is designed to operate from 1.7 V to 5.5 V and is also available in a room temperature and extended temperature range from -40 to +125 °C. It is a small package: the 6-pin SC-89 is ideal for applications which require mounting in surface-mount PCBs. The features offered by the NCP300LSN47T1G make it suitable for automotive and computer protection, motor control systems, telecommunications, and medical equipment.

The NCP300LSN47T1G works on the principle of setting a threshold before switching on a given output. It uses a voltage reference and comparators. The reference voltage is compared to a trip point through comparators. The trip point voltage and the voltage limit are determined by the on-chip trimming circuitry. This voltage is then compared to the monitored voltage and when it is lower than the trip point (which is preset by the on-chip trimming), the output switches to its active state. For example, the reset signal will be active when the supply voltage is lower than that set with the on-chip trimming.

The NCP300LSN47T1G has many advantages. It is cost-effective and easy to use, providing the protection and the reset outputs needed to support processor-based functions without the need to install multiple components. It allows for reliable system monitoring and reset features, as well as flexibility in the selection of multiple trip points, making it an ideal choice for industrial, automotive and appliance applications. Furthermore, it is competitively priced and can be used in a broad range of applications.

The NCP300LSN47T1G is a versatile and reliable PMIC supervisor that can be used in a variety of applications. Its ability to monitor and protect systems, as well as to provide reset, watchdog timer, and voltage monitoring functions, makes it an ideal choice for applications that require reliable and cost-effective protection and supervision.

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