STMPS2171STR Integrated Circuits (ICs)

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Power Management Integrated Circuit (PMIC) play a critical role in modern embedded and mobile systems, providing supplies and managing battery life, as well as interface different components with an integrated circuit (IC). PMICs are made up of a variety of switches, load drivers, multiplexers, voltage regulators, charge pumps, and motor drivers, along with other digital logic, sensor and analog functionality. The STMPS2171STR is a PMIC switch specifically designed for power management applications in the automotive, industrial, medical, digital and communications markets.

The STMPS2171STR is part of STMicroelectronics\' family of Power Distribution Switches, Load Drivers and PMICs, and is suitable for high-current and high-voltage applications in motor control, embedded power management, automotive, and medical applications. It is designed for use as a main switch, load driver, protection element and diagnostic switch.

The STMPS2171STR device is a low on-resistance, high voltage, N-channel MOSFET integrated circuit. Its operating voltage range is from 2V to 32V, and its high peak current rating allows it to be used in applications requiring peak currents of up to 8.5A. The device also features a low on-resistance of only 1.6Ω at 10V, making it well-suited to power management applications where efficiency is important. It also features a unique feature that allows it to sense an excessive load condition and output an error flag.

The STMPS2171STR can be used in a variety of applications, such as automotive and industrial motor control, motor diagnostics, embedded power management and medical applications. As a load driver, its high peak current output and low on-resistance make it particularly suitable for these applications. In addition, its high voltage and wide operating voltage range make it ideal for use in high voltage applications.

In terms of working principle, the STMPS2171STR uses a p-channel FET to switch the current. A control signal is applied to the gate terminal of the FET which causes the FET to open or close depending on the level of the control signal. When the device is used as a load driver, the control signal is voltage controlled, meaning that the magnitude of the control voltage is used to determine the amount of current flowing through the device. When the device is used as a protection element, the control signal is a logic signal, which determines whether the device is turned on or off.

The STMPS2171STR PMIC switch is an excellent choice for power management applications such as automotive, industrial, medical, and digital and communications, where high current and high voltage make it a perfect fit. By combining low on-resistance, high voltage, and wide operating voltage range in a single package, the STMPS2171STR provides a convenient, cost effective solution for these applications.

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