LTC4162EUFD-L40#PBF

Battery Management Overview

The LTC4162EUFD-L40#PBF is a monolithic synchronous step-down switching battery charger and PowerPath manager from Analog Devices. Designed for lithium-ion batteries, it supports up to two cells with a maximum output current of 3.2A. The device operates from an input voltage range of 4.5V to 35V. It integrates a PowerPath controller to manage power distribution between input sources and the battery. The component is housed in a 28-lead QFN package and is rated for operation between -40°C and +125°C.

Battery Management Feature Summary

• Integrates a synchronous step-down switching regulator for efficient battery charging
• Includes a PowerPath controller for seamless source management
• Supports configurable input current limiting

Battery Management Applications

• USB Power Delivery (C Cable) based battery chargers
• Wall adapter powered charging systems
• Solar panel powered battery management
• Backplane powered applications

Battery Management Procurement Notes

Verify the specific suffix L40 against the official datasheet to confirm the supported cell count and configuration. Ensure the operating environment temperature falls within the specified industrial range. Confirm that the input voltage source characteristics align with the device's 4.5V to 35V operational limits before integration.

Battery Management Selection Notes

Select this component when a single-chip solution for lithium-ion charging with integrated power path management is required. It is suitable for designs needing high efficiency and support for multiple input sources such as USB PD or solar panels. Consider the thermal performance of the QFN package relative to the expected load current and ambient conditions.

Battery Management Part Context

This part belongs to the LTC4162 family of advanced battery chargers. Variants within the series differ primarily by the supported battery chemistry and cell count, indicated by suffixes such as L40, L41, L42, SAD, SADM, and FAD. The L40 variant specifically targets multi-cell lithium-ion configurations.

Battery Management FAQ

What is the maximum number of lithium-ion cells supported by the LTC4162EUFD-L40?

The LTC4162EUFD-L40 supports up to two lithium-ion cells.

Does the LTC4162EUFD-L40 include power path management?

Yes, it integrates a PowerPath controller to manage power distribution between the input source and the battery.