IP2312-4V35 IC – Single Cell Lithium Battery Synchronous Switching Buck Charging IC – ESOP-8

The IP2312-4V35 IC is a high-efficiency, fully integrated switching buck battery charging IC designed for single-cell lithium-ion or lithium polymer battery applications. Featuring a built-in synchronous switch architecture and MOSFETs, the IC simplifies the charging process with minimal external components. With a compact ESOP-8 package, 94% peak efficiency, and support for up to 3A of charging current, it’s an excellent choice for compact and portable electronic devices. The IC also provides intelligent features such as input voltage regulation, adjustable charge current, and NTC temperature protection for safer charging.

Specifications:

• Supports single-cell Li-ion/Li-polymer battery charging
• High charging efficiency: Up to 94% (3.7V/2A)
• Adjustable charging current up to 3A via external resistor
• Automatic input current adjustment to protect weak adapters
• Built-in power MOSFETs and synchronous buck switching (750kHz)
• LED charging status indicators and built-in NTC temperature protection