ISL6252AHRZ

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The ISL6252AHRZ is a highly integrated programmable power management integrated circuit (PMIC) targeting low power applications. It offers a wide range of features, such as battery charging, power supply monitoring, power regulation and system monitoring. The ISL6252AHRZ offers the best combination of features and performance to meet the needs of the most demanding portable applications. In this article, we discuss the application field and working principle of the ISL6252AHRZ, and how it can help to maximize power efficiency and battery life in various settings.

Application Field

The ISL6252AHRZ provides a wide range of capabilities for a variety of settings, including portable and embedded applications. It is ideal for designing low power applications that require an integrated PMIC solution. The ISL6252AHRZ is designed to meet the needs of applications with heavy power requirements, such as smart phones, tablets, embedded wearables, and IoT devices.

The ISL6252AHRZ can provide a full power solution for systems with multiple cell battery packs. It supports charging up to four Li-Ion cells in series and discharging up to four Li-Ion cells in parallel. It can provide a total output current up to 2A at 25°C, with an input voltage range of 2.5V to 10V. The ISL6252AHRZ also supports Intelligent Battery Security (IBS) to ensure safe operation during charge and discharge cycles.

In addition, the ISL6252AHRZ can be used to power other components in the system. It can support up to four independent processor supplies, each with a maximum output current of 500mA and a hold-up time >=8ms. It can also provide a wide range of adjustable system voltages, from 0.6V to 5V.

The ISL6252AHRZ also provides timer-controlled monitoring and control of the battery charging and discharging cycles. It can provide a cycle-by-cycle current, voltage, and temperature monitoring with adjustable parameters for each cycle. It also offers I2C and NV system monitoring for power management and alarm/warning protection.

Working Principle

The working principle of the ISL6252AHRZ can be broken down into two main parts: battery charging and power supply monitoring. In terms of battery charging, the ISL6252AHRZ supports a wide range of charging profiles, including linear and step charging profiles. It is able to provide a constant current and constant voltage charging, with adjustable parameters for each cycle. It also supports a Pre-charge cycle and a Fast Charge cycle to ensure safe charging of the battery cells.

In terms of power supply monitoring, the ISL6252AHRZ provides I2C and NV system monitoring features. It is able to monitor the system voltage, current and temperature in real time. It can also detect any abnormal conditions, such as over-voltage, over-current, and over-temperature. When any of these conditions are detected, the ISL6252AHRZ can assert a fault signal to the system.

Conclusion

In conclusion, the ISL6252AHRZ is a highly integrated PMIC solution that is ideally suited for low power applications. It provides a wide range of features, including battery charging, power supply monitoring, power regulation and system monitoring. The ISL6252AHRZ is designed to maximize power efficiency and battery life in various settings, thus making it a great choice for designers looking for an integrated PMIC solution.

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