XC6808B4D48R-G

Overview

The XC6808B4D48R-G is a single-cell lithium-ion/polymer battery linear charger IC from Torex Semiconductor. It features an integrated battery temperature detection function for safe charging operations. The device supports multiple fixed output voltage options, specifically 4.20V, 4.35V, and 4.40V, selectable via external resistors or internal configuration. It operates within a supply voltage range of up to 6V and includes comprehensive protection mechanisms against overcurrent, overtemperature, and reverse current conditions.

Feature Summary

• Integrates battery temperature detection circuitry to monitor cell thermal status during the charging cycle.
• Supports configurable constant-voltage termination levels including 4.20V, 4.35V, and 4.40V for various lithium-based chemistries.
• Incorporates hardware-level fault protection including overcurrent limiting, thermal shutdown, and reverse current prevention.

Applications

• Single-cell lithium-ion battery charging in portable consumer electronics
• Power management for devices utilizing lithium-polymer battery packs
• Temperature-aware charging systems in mobile communication hardware

Procurement Notes

Verify the specific suffix codes against the official Torex Semiconductor datasheet to confirm the exact output voltage setting and package variant. Ensure compatibility with the target system's USB interface requirements and thermal management design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability and compliance status.

Selection Notes

Select this component when designing circuits requiring integrated thermal monitoring for single-cell Li-ion or Li-polymer batteries. Consider the available fixed voltage options (4.20V/4.35V/4.40V) to match the specific battery chemistry requirements. Evaluate the 6V maximum supply voltage limit and the 6-USP-B07 package dimensions for PCB layout constraints.

Part Context

This part belongs to the XC6808 series of single-cell linear chargers manufactured by Torex Semiconductor. The series is designed for applications requiring compact power management solutions with built-in safety features. The XC6808B4D48R-G variant specifically denotes a particular configuration within this family, distinguished by its voltage setting and package type.

Replacement Considerations

Consult the official Torex Semiconductor replacement guide or datasheet revision history for confirmed substitute part numbers. Verify that any alternative component matches the required output voltage, package footprint, and thermal detection functionality before implementation.

FAQ

What battery chemistries does the XC6808B4D48R-G support?

It is designed for single-cell lithium-ion and lithium-polymer batteries.

Does this IC include thermal protection?

Yes, it integrates battery temperature detection and overtemperature protection mechanisms.