XC6808B3E18R-G

Overview

The XC6808B3E18R-G is a single-cell lithium-ion or lithium-polymer battery linear charger IC manufactured by Torex Semiconductor. It features a built-in thermistor detection function for battery temperature monitoring during the charging process. The device supports multiple output voltage options, including 4.20V, 4.35V, and 4.40V, to accommodate different battery chemistries. It operates within an input supply voltage range of 4.5V to 6V and provides a maximum charge current of 40mA. The IC is housed in a compact USP-6B07 package with dimensions of 1.8mm x 2.0mm, suitable for surface mount installation.

Feature Summary

• Integrated thermistor detect function for enhanced battery safety
• Supports single-cell lithium-ion and lithium-polymer batteries
• Compact USP-6B07 package design for space-constrained applications

Applications

• Portable electronic devices requiring single-cell battery management
• Consumer electronics with limited board space
• Battery-powered gadgets needing safe linear charging

Procurement Notes

Verify the specific output voltage configuration (4.20V, 4.35V, or 4.40V) associated with the B3 suffix against the official datasheet before procurement. Ensure the ordering suffix matches the required thermal and electrical specifications. Confirm package type USP-6B07 compatibility with your PCB footprint. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a low-current linear charging solution is required for single-cell Li-ion or Li-Po batteries. The built-in thermistor detection makes it suitable for applications where battery temperature monitoring is critical for safety. Consider the 40mA maximum charge current limit and the 4.5V to 6V input voltage range when designing the power supply circuit. The small USP-6B07 package is ideal for miniaturized designs.

Part Context

This part belongs to the XC6808 series of single-cell linear charger ICs from Torex Semiconductor. The series is designed for portable applications, offering various output voltage options and package types. The XC6808B3E18R-G specifically denotes a variant with particular voltage and thermal characteristics within this family, sharing common features like thermistor detection and compact packaging.