CL4054D Lithium-Ion Battery Charging IC SOT-23-5

The CL4054D is a low-power, fully integrated single-cell lithium-ion (Li-Ion) battery charger IC designed for compact and portable applications. It features constant-current (CC) and constant-voltage (CV) charging modes, ensuring safe and efficient battery charging.

Features

• Integrated charging control for single-cell Li-Ion batteries.
• Operates in constant-current (CC) and constant-voltage (CV) modes.
• Programmable charge current with an external resistor.
• Automatic recharge and charge termination.
• Built-in thermal protection and safety timer.
• LED status indicator supports charge status monitoring.
• No external MOSFET or blocking diode is required.
• Compact design for space-constrained applications.

Applications

• Wearable devices and fitness trackers.
• Portable consumer electronics.
• IoT and wireless sensor devices.
• Power banks and rechargeable LED products.

Specification

Datasheet