XC6808BNE38R-G

Overview

The XC6808BNE38R-G is a single-cell lithium-ion battery linear charger IC manufactured by Torex Semiconductor. It integrates constant-current and constant-voltage charging control with battery temperature detection for enhanced safety. The device supports input voltages of 4.20V, 4.35V, and 4.40V to accommodate various cell chemistries. It operates within a junction temperature range of -40°C to +125°C and utilizes a compact USP-6 package.

Feature Summary

• Integrates battery temperature detection using an external NTC thermistor to monitor cell temperature during charging cycles.
• Provides automatic termination of the charge cycle upon reaching the target voltage or when the charge current drops below the preset threshold.
• Includes internal circuitry for thermal regulation to limit power dissipation under high temperature conditions.

Applications

• Single-cell Li-ion battery charging in portable electronic devices
• Power management for mobile communication equipment
• Charging solutions for wearable technology

Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm the exact output voltage setting and package variant. Ensure compatibility with the system's input voltage range and thermal requirements before integration. Cross-reference the component marking with official identification guides to prevent counterfeit substitution.

Selection Notes

Select this component for applications requiring integrated thermal monitoring and precise single-cell charging profiles. Evaluate the required charge current limits and input voltage constraints relative to the system design. Confirm that the USP-6 package dimensions fit the available PCB footprint and thermal dissipation capabilities.

Part Context

This part belongs to the XC6808 series of linear charger ICs designed for single-cell lithium batteries. The series emphasizes safety through temperature monitoring and efficient power management. It serves as a core component in battery management systems where space constraints and charging accuracy are critical design factors.

Replacement Considerations

Consult the official replacement list for direct pin-compatible alternatives. Verify electrical parameters such as input voltage range and charge current settings when considering substitute parts from other manufacturers.

FAQ

How does the XC6808BNE38R-G handle over-temperature conditions?

The IC monitors the battery temperature via an external NTC thermistor and can terminate charging if the temperature exceeds safe operating limits defined by the application design.

What is the function of the CHG terminal on this IC?

The CHG terminal indicates the charging status, typically providing a logic signal that reflects whether the battery is currently being charged or has reached full charge.