Renesas Electronics Corporation Battery Chargers ISL9203CRZ-T

The ISL9203CRZ-T is an integrated single-cell Li-ion or Li-polymer battery charger designed for versatility and efficiency. It operates with an input voltage as low as 2.4V and is compatible with various types of AC adapters. The charger employs a constant current/constant voltage (CC/CV) charging profile, with a programmable charge current of up to 1.5A, adjustable via an external resistor. This device features thermal foldback to ensure safe operation under limited thermal dissipation conditions, making it suitable for compact designs. Additional functionalities include preconditioning for over-discharged batteries, automatic recharge capabilities, and a thermally enhanced DFN package. The operating temperature range is -20¬8C to 70¬8C, and it is RoHS compliant, utilizing Pb-free materials. The ISL9203CRZ-T is applicable in various handheld devices, including medical instruments, smartphones, and portable chargers, making it a suitable choice for engineers looking for a reliable battery management solution.