XC6808B4E18R-G

Overview

The XC6808B4E18R-G is a single-cell lithium-ion/polymer battery linear charger IC from Torex Semiconductor. It supports charging voltages of 4.20V, 4.35V, and 4.40V. The device features programmable constant-current charging with a maximum current of 40mA. It includes battery temperature detection for safe operation. The input supply voltage range extends up to 6V. The component operates within a temperature range of -40°C to 85°C. It is housed in a 6-USP-B07 (1.8x2) surface-mount package.

Feature Summary

• Integrates battery temperature detection circuitry to monitor cell conditions during the charging process.
• Provides programmable constant-current charging capability for single-cell lithium-based batteries.
• Includes built-in fault protection mechanisms such as overcurrent, overtemperature, and reverse current safeguards.

Applications

• Single-cell lithium-ion battery charging
• Lithium-polymer battery management systems
• Portable electronic device power management

Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm the exact output voltage setting and package variant. Ensure the ordering part number matches the required electrical specifications and thermal performance characteristics for the target application environment.

Selection Notes

Select this component for applications requiring integrated temperature monitoring and compact surface-mount packaging. Confirm that the maximum charge current and input voltage limits align with the system design requirements. Validate compatibility with the specific battery chemistry and capacity being utilized.

Part Context

This part belongs to the XC6808 series of single-cell linear chargers. The series offers various voltage options and package configurations. The XC6808B4E18R-G specifically denotes a version with defined voltage settings and the USP-B07 package type suitable for space-constrained designs.

Replacement Considerations

Cross-reference with other XC6808 variants sharing the same USP-B07 package and compatible voltage settings. Verify pinout compatibility and thermal dissipation characteristics before substituting with alternative part numbers from the same manufacturer family.