BD45372G-TR Integrated Circuits (ICs)

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PMIC - Supervisors are semiconductor integrated circuits that provide monitoring, protection, and supervisory functions to a microsystem. The BD45372G-TR is a PMIC - Supervisor designed for monitoring voltage levels for overvoltage, undervoltage and overcurrent protection. This part is available in Small Outline Integrated Circuit (SOIC) and Thin Shrink Small Outline Package (TSSOP) packages. It provides threshold levels of undervoltage at 3.7V and overvoltage/overcurrent at 27V or 50V/3A, depending on the output voltage levels of the power supply.

The BD45372G-TR monitors the system\'s power supply voltage, so that if it rises or falls too much, an internal reset or latch is triggered. This latch will either shutdown the power supply outlet or the load, depending on the choice made by the manufacturer. The measurement accuracy of 0.9% can be achieved by matching two resistors to the VREF and OSC pins.

The BD45372G-TR can be used in a wide range of applications, from handheld devices to industrial and automotive systems. It can be used for applications requiring protection from overvoltage, undervoltage, overcurrent or ESD (electrostatic discharge) protection. The reset threshold and time-out period can be user-programmed by setting the voltage level on the RC and RT pins, providing flexibility to the system designer.

The operational principle of the BD45372G-TR is based on a comparator. It has two inputs, one for the output voltage level of the power supply and one for the reference voltage set by two external resistors. The output of the comparator is the RESET pin. If the voltage of the power supply rises above the reference voltage, then the comparator triggers the reset by sending a short pulse to the RESET pin.

The BD45372G-TR is designed to provide overvoltage, undervoltage and overcurrent protection for microsystems. It has a high accuracy measurement, wide temperature range and a programmable reset threshold and time-out period. The BD45372G-TR is available in SOIC and TSSOP packages and can be used in a variety of applications, from handheld devices to industrial systems, providing reliable protection to the system.

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