LTC4162IUFD-L40#TRPBF

Battery Management Overview

The LTC4162IUFD-L40#TRPBF is a monolithic synchronous step-down switching battery charger and PowerPath manager designed for lithium-ion batteries. It supports an input voltage range of 4.5 V to 35 V and delivers up to 3.2 A output current. The device manages power distribution between various sources, including wall adapters, backplanes, and solar panels, and the battery. It features integrated maximum power point tracking for solar applications and operates within a temperature range of -40°C to +125°C.

Battery Management Feature Summary

• Integrates a synchronous step-down converter with PowerPath management for seamless source-to-load power distribution.
• Includes maximum power point tracking (MPPT) functionality optimized for solar panel energy harvesting.
• Supports configurable input current limiting to protect upstream power sources such as USB or wall adapters.

Battery Management Applications

• Solar-powered portable devices requiring efficient energy harvesting
• Battery charging systems utilizing wall adapters or backplane inputs
• Applications requiring automatic load switching between input source and battery

Battery Management Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the L40 variant corresponds to the intended lithium-ion cell configuration. Ensure compatibility with the required operating temperature range and input voltage specifications for the target design environment.

Battery Management Selection Notes

Select this component for designs requiring high-efficiency charging from variable DC sources. The integrated MPPT is suitable for solar applications. Verify that the 3.2 A current capability meets the battery requirements. Consider the thermal performance in the final enclosure layout due to the synchronous buck architecture.

Battery Management Part Context

This part belongs to the LTC4162 family of battery chargers. The L40 designation specifies the configuration for lithium-ion chemistry. The TRPBF suffix denotes the reel packaging format. Analog Devices manufactures this series for robust power management in mobile and industrial applications.

Battery Management Replacement Considerations

Check for other variants in the LTC4162 family with different battery type suffixes if chemistry differs. Verify equivalent parts from other manufacturers only if they match the exact pinout and electrical specifications.