ISL9220BIRTZ-T

An integrated single-cell Li-Ion Battery charger IC, the ISL9220BIRTZ-T, is used for applications that require precise charge control of a single NiCad, NiMH or a Li-Ion battery cell. This device applies a linear charger technique that allows for accurate charging of the batteries. Consequently, the IC is an extremely efficient, space-saving solution for single cell battery charger applications.

The ISL9220BIRTZ-T features an internally controlled linear charge and internal reverse blocking that is not available with other battery chargers. It utilizes an internal charge control loop to maintain precise charge endpoints with a simple external compensation network. The charger can be programmed with a wide range of adjustable voltage and current limits as well as charge termination thresholds. It is also optimized to minimize charging time and minimize battery heating during the charging process, making it an ideal solution for high frequency charger applications.

The ISL9220BIRTZ-T is designed to provide both ease-of-use and safety for battery charging. It features an internal low-voltage protection circuit for the battery under-voltage lock out (UVLO) voltage, a temperature sense circuit to monitor battery temperature, as well as an array of status flags/signals for monitoring the charging process. The programmed battery voltage can be adjusted by using an impedance network, which enables a higher level of flexibility for the charger.

Overall, the ISL9220BIRTZ-T is a high-performance, small size battery charger IC that operates on a single cell, which can be applied in any battery charging environment. It offers a simple yet sophisticated solution for single-cell battery charging applications. As a PMIC - Battery Charger, the ISL9220BIRTZ-T provides accurate charge control and reliable protection, making it an ideal solution for a variety of battery-charging needs.