ISL95521AHRZ

The ISL95521AHRZ is an advanced battery charging solution from Intersil Corporation. It is a fully integrated PMIC solution that provides flexibility and convenience for battery charging. The ISL95521AHRZ is designed to provide a small form factor, efficient, and easily integrated solution for charging large Li-Ion/Li-Polymer batteries used in a variety of applications such as consumer electronics, mobile devices, and portable medical devices. The ISL95521AHRZ is a member of the ISL9552x family of energy efficient battery management solutions and provides a wide input voltage range and adjustable constant current/constant voltage profile.

Application fields

The ISL95521AHRZ is ideal for powering and charging large Li-Ion/Li-Polymer batteries in a variety of applications including cellphone and mobile device charging, portable medical device charging, digital cameras and camcorders, tablets and other consumer electronics devices. The device can provide up to 600mA constant current charging, 1.5A peak current and adjustable voltage profiles with millisecond accuracy. The device is programmable with a simple digital interface, and the ISL95521AHRZ is available in both green and space-saving WLCSP packaging for easy integration and flexibility.

Working Principle

The ISL95521AHRZ uses a constant current/constant voltage (CC/CV) charging profile to efficiently and safely charge Li-Ion/Li-Polymer batteries. It has an input voltage range of 3.2V to 6V and an adjustable current limit up to 600mA to provide scalable power options. The device also supports peak current up to 1.5A and adjustable voltage profiles with millisecond accuracy. The ISL95521AHRZ provides battery temperature monitoring and automatically cuts off power if the temperature exceeds a preset limit. The device also has several safety features including over voltage protection, over charge protection, under voltage protection, and short circuit protection. The device also has an integrated reverse battery diode to protect the system from reverse battery connections. The ISL95521AHRZ supports both synchronous and asynchronous dynamic power path management for increased power efficiency and safety.

Conclusion

The ISL95521AHRZ is a robust, integrated system for battery charging that provides high performance and reliability. The device supports an adjustable voltage range from 3.2V to 6V and an adjustable current limit up to 600mA with peak current of up to 1.5A. The device is designed to provide a small form factor, efficient, and easily integrated solution for charging large Li-Ion/Li-Polymer batteries. The device supports both synchronous and asynchronous dynamic power path management for increased power efficiency and safety.