LTC4006EGN-4#TRPBF

Battery Chargers Overview

The LTC4006EGN-4#TRPBF is a standalone constant-current/constant-voltage charger controller designed for 2-, 3-, or 4-cell lithium-ion and lithium-polymer batteries. It integrates a high-efficiency synchronous buck converter capable of delivering output currents exceeding 4A with up to 96% efficiency. The device features a fixed 16.8V output voltage preset with ±0.8% accuracy, eliminating the need for external resistors for standard 4-cell configurations. It operates from an input supply voltage range suitable for various charging sources and includes comprehensive protection features such as thermal regulation and automatic restart capabilities.

Battery Chargers Feature Summary

• Integrated synchronous buck topology for high conversion efficiency
• Fixed 16.8V output optimized for 4-cell lithium battery packs
• Built-in thermal regulation to manage heat dissipation during charging
• Automatic restart functionality following fault conditions

Battery Chargers Applications

• Charging systems for 4-cell lithium-ion battery packs
• Portable electronic devices requiring compact power management
• Industrial equipment utilizing multi-cell lithium battery arrays
• Medical devices with strict battery safety requirements

Battery Chargers Procurement Notes

Verify that the specific suffix #TRPBF corresponds to the tape-and-reel packaging variant required for your assembly line, as the base part number may also be available in tube packages. Confirm that the fixed 16.8V output aligns with your battery pack's nominal voltage specifications before procurement. Ensure compatibility with your input voltage source within the device's operational limits.

Battery Chargers Selection Notes

Select this component when designing for 4-cell lithium battery architectures requiring a simplified bill of materials due to its fixed output voltage. It is suitable for applications prioritizing high efficiency and reduced external component count over adjustable voltage outputs. Consider the thermal performance requirements given the integrated regulator, ensuring adequate PCB copper area for heat spreading if operating near maximum current ratings.

Battery Chargers Part Context

This part belongs to the LTC4006 family of battery charger controllers from Analog Devices. While other variants like the LTC4006EGN-4#PBF exist in different packages, the EUFD/TRPBF designation indicates a specific surface-mount configuration. The family is characterized by its ability to handle high currents in small footprints, making it distinct from linear chargers or controllers requiring extensive external circuitry.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Analog Devices for direct replacements or evaluate alternative models within the LTC400x series based on package and voltage compatibility.