ISL6532CRZ

Introduction

The ISL6532CRZ is a specialized power management integrated circuit (PMIC) that offers a full set of power management functions for a variety of applications. It is intended to provide both power-source and load-management in a single IC. The device offers both power-on reset (POR) and power-good protection, as well as protection features to ensure repetitive fault conditions are avoided. In addition, the ISL6532CRZ features adjustable output voltage, voltage scalability, current limiting, and powerful switch-mode operation.

Application Field

The ISL6532CRZ has a range of applications as it can be usedin an array of power management and protection activities, such as power source selection, power sequencing, current sharing, fault protection and limiting.The device is particularly suitable for dual-supply or multiple-supply configurations, and can be used for applications such as systems and sub-systems that require two or more power supplies.Examples of such applications include the automotive, industrial and consumer markets.

Working Principle

The ISL6532CRZ is equipped with two input pins (VIN1 and VIN2), two outputs pins (VTT1 and VTT2), and two error amplifier/CVCC/USB 5V.VIN1 pin can be connected to input voltage rails, such as 3.3V, 5V, 12V, etc. through pull-up resistors. The device enables automatic selection of one of the input voltages according to the higher voltage.Input voltage rails are connected to the VTT1 and VTT2 pins that serve as output pin.The device also features a reference voltage (VREF), which is set to 1.2V and is used to regulate and protect against over-voltage and under-voltage, and to provide a reference for the CVCC and USB 5V.The ISL6532CRZ also has two outputs, the error amplifier and the

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