ISL8702AIBZ

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The ISL8702AIBZ is a supervisor integrated circuit (IC) that belongs to the power management IC (PMIC) -Supervisors range. It is primarily used as an interim power reliability device and helps to monitor multiple power supply devices. In this way, it helps to provide a safe, secure and reliable power supply environment for industrial, aerospace and defence applications. The working and application field of the ISL8702AIBZ is further expanded upon in this article.

Features

The ISL8702AIBZ is packaged as a 24-pin TSSOP (Thin shrink Small Outline Package) so it can have a smaller form factor and fit within even the most space-constrained systems. It has a monitoring range of 2.275 V to 5.5 V and an operational temperature range of -40 C to +85 C. It also has high output drive capability and low quiescent supply current of just 1 µA.

Protection Features

The ISL8702AIBZ features multiple protection features. It has under-voltage (UV) protection to ensure power supply stays within a safe range. It also has over-voltage (OV) protection to help protect the device from voltage spikes. Additionally, the device is equipped with current limit protection, temperature protection, transient protection and reverse current protection.

Applications

The ISL8702AIBZ can be used for monitoring multiple power rails in several different applications. It is often used in battery operated and handheld applications where power efficiency is paramount. It is also well suited for applications such as cell towers, military and marine electronics, wireless base stations and lighting systems.

Working Principle

The ISL8702AIBZ implements a power monitoring system based on a comparator and timer circuit. The comparator circuit senses any change in the input voltage and then automatically takes action to adjust the power accordingly. Whenever the input voltage falls below a preset lower threshold, the timer is triggered and the chip shuts off the power supply until the voltage reaches an acceptable level. When the voltage reaches the upper threshold, the timer is reset and the power supply resumes. This ensures an uninterrupted, reliable and secure power supply.

The ISL8702AIBZ supervisor IC provides secure and reliable power management for applications in industrial, aerospace and defence. It offers robust protection features, small form factor and low power consumption, making it ideal for a variety of applications.

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