The ISL6292-2CR3 is a highly integrated battery charger IC from Renesas Electronics, designed for charging single-cell lithium-ion (Li-ion) or lithium-polymer (Li-Poly) batteries. It provides a complete charging solution with minimal external components, making it ideal for portable devices and space-constrained applications.

Applications:

• Smartphones
• Tablets
• Portable media players
• Handheld gaming consoles
• Wearable devices

Features:

• Constant-current/constant-voltage (CC/CV) charging: Ensures optimal charging profile for Li-ion/Li-Poly batteries.
• Programmable charge current: Allows customization for different battery capacities.
• Input overvoltage protection (OVP): Protects the charger from damage due to excessive input voltage.
• Thermal regulation: Prevents overheating during charging.
• Charge status indication: Provides visual indication of charging progress.
• Input voltage range: Offers flexibility in power supply options.

Benefits:

• Fast and efficient charging of Li-ion/Li-Poly batteries.
• Enhanced battery life through optimized charging algorithm.
• Improved system safety with built-in protection features.
• Reduced component count and board space.
• Simplified design and implementation.

Additional Details:

The ISL6292-2CR3 utilizes a highly efficient synchronous buck converter topology to minimize power losses during charging. The programmable charge current allows designers to optimize the charging rate for different battery capacities. The input overvoltage protection prevents damage to the charger in case of accidental overvoltage conditions. The thermal regulation feature prevents the charger from overheating, ensuring safe and reliable operation.

The charger is available in a small, space-saving package. External components typically include input and output capacitors, a resistor for setting the charge current, and an optional thermistor for temperature monitoring. The datasheet provides detailed information on electrical characteristics, application circuits, and layout guidelines.