CL4056 Li-Ion Battery Charger IC ESOP-8

Description

The CL4056 is a high-performance linear battery charger designed for single-cell lithium-ion (Li-ion) batteries. It offers a simple and cost-effective solution for safely charging Li-ion batteries from a USB port or wall adapter. The IC includes integrated current limiting and thermal regulation features, making it highly reliable and efficient for battery charging applications.

Key Features:

• Input Voltage: Up to 8V input from USB or adapter sources.
• Charge Current: Adjustable from 100mA to 1A via external resistors.
• Thermal Regulation: Automatically adjusts charging rate to prevent overheating.
• Battery Voltage Regulation: Preset voltage of 4.2V for safe Li-ion battery charging.
• End-of-Charge Current Detection: Automatically stops charging once the battery is fully charged.
• LED Indicators: Two status pins for charge and full indications (CHRG and DONE).
• Built-in Protection: Overvoltage, overcurrent, and thermal shutdown protection.
• Low Dropout Voltage: Ensures charging efficiency even with low input voltage.
• SOT-23-5 Package: Compact and easy to integrate into space-constrained designs.

Applications:

• Portable electronics (e.g., smartphones, tablets, MP3 players)
• USB-powered devices
• Power banks and battery-powered gadgets
• Wireless controllers and toys
• Li-ion/Li-polymer battery charging solutions

Specification: