XC6808B3D38R-G

Overview

The XC6808B3D38R-G is a single-cell lithium-ion battery linear charger IC manufactured by Torex Semiconductor. It integrates battery temperature detection to ensure safe charging conditions. The device supports multiple charge termination voltages, specifically 4.20V, 4.35V, and 4.40V, accommodating various cell chemistries. It operates with an input voltage range suitable for standard USB or wall adapter sources. The component includes thermal regulation to reduce current when die temperature rises, preventing overheating during high-power charging cycles.

Feature Summary

• Integrates battery temperature monitoring terminals to halt charging if the battery exceeds safe operating limits.
• Features automatic thermal regulation that reduces charging current based on internal die temperature to prevent overheating.
• Supports selectable charge termination voltages including 4.20V, 4.35V, and 4.40V for different lithium-ion cell types.

Applications

• Single-cell lithium-ion battery charging in portable electronic devices
• USB-powered consumer electronics requiring integrated thermal management
• Battery protection circuits in mobile communication devices

Procurement Notes

Verify the specific suffix codes against the official Torex Semiconductor datasheet to confirm the exact package type and termination voltage configuration. Ensure compatibility with your system's thermal design requirements. Confirm availability through authorized distributors as supply levels fluctuate. Cross-reference the part number with the manufacturer's latest documentation to avoid obsolete variants.

Selection Notes

Select this component when designing systems requiring integrated thermal regulation and battery temperature monitoring for single-cell lithium-ion applications. Consider the available termination voltage options (4.20V/4.35V/4.40V) to match the specific battery chemistry. Evaluate the package size constraints against the thermal dissipation needs of the target application environment.

Part Context

This part belongs to the XC6808 series of linear chargers from Torex Semiconductor. The series is designed for single-cell lithium batteries with built-in safety features. Variants within the series differ primarily by package style and specific termination voltage settings. The B3D38 suffix indicates a specific combination of package and electrical characteristics defined by the manufacturer.

Replacement Considerations

Consult the Torex Semiconductor XC6808 series datasheet for direct pin-compatible alternatives with similar voltage ratings. Verify that any substitute maintains the same thermal regulation and temperature detection functionality. Ensure the replacement part supports the required 4.20V, 4.35V, or 4.40V termination voltage.