ISL9222IRTZ-T

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PMIC (Power Management Integrated Circuit) battery chargers are used in a variety of applications, from low-power IoT devices to large-scale industrial equipment. The ISL9222IRTZ-T is a high efficiency dual-cell system Li-ion/Li-polymer battery charger for use in a wide range of portable applications. It combines all the necessary functions to safely and quickly charge Lithium-ion and Li-polymer batteries according to a selected profile.

The ISL9222IRTZ-T integrates an input voltage range of 4.5V to 28V, and provides two separate outputs configured as constant current/constant voltage (CC/CV) battery charging profiles, each capable of delivering up to 2A. Both the output profiles support selectable charging termination current. An internal 0.2V feedback loop ensures accurate control over charge current and charge voltage. The complete system is monitored and protected by a thermal plate, integrated under-voltage lockout of the input voltage, over-temperature shutdown and reverse current protection with pre-determined delay time.

The ISL9222IRTZ-T also features intelligent charge status monitoring and reporting to ensure the user a complete and seamless overview of the charging process. An independent status register provides indication of charge current and charge output voltage, battery temperature and cell balance, full charge indication and safety timer expiration.

The ISL9222IRTZ-T’s high efficiency power-conversion and safety feature make it ideal for use in a variety of portable applications such as cell phones, tablets, and other portable devices. The dual-channel capability also allows for quick and safe charging of both single and dual-cell systems with different charge specifications. In addition, its integrated low-power sleep mode and power saving features allow for extended battery life and improved user-experience.

In conclusion, the ISL9222IRTZ-T is an excellent choice for high-efficiency, safe and reliable battery charging. Its wide input voltage range, dual-channel output and intelligent reporting make it suitable for a variety of portable applications. Furthermore, its built-in safety features, low power sleep mode and power-saving features make it a great choice for extended battery life.

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