LTC4162IUFD-L40M#PBF

Battery Management Overview

The LTC4162IUFD-L40M#PBF is a monolithic synchronous step-down switching battery charger and PowerPath manager designed for lithium-ion batteries. It supports an input voltage range of 4.5V to 35V and delivers up to 3.2A output current. The device features a 28-pin QFN-EP package and operates within a temperature range of -40°C to +125°C. It integrates power path management to seamlessly distribute power between input sources and the battery.

Battery Management Feature Summary

• Integrates a synchronous step-down switching regulator with a dedicated PowerPath manager for seamless source distribution.
• Supports rechargeable lithium-ion battery chemistries with configurable charging parameters.
• Manages multiple input sources including wall adapters, backplanes, and solar panels.

Battery Management Applications

• USB PD (C Cable) based battery chargers
• Solar powered battery charging systems
• Wall adapter powered portable devices

Battery Management Procurement Notes

Verify the specific suffix L40M against the official Analog Devices datasheet to confirm the exact charge termination voltage and input current limit settings. Ensure the QFN-EP package footprint matches the PCB layout requirements. Confirm availability status as supply constraints may apply to this component series.

Battery Management Selection Notes

Select this part for applications requiring high efficiency in a compact form factor. The integrated PowerPath allows system operation while charging. Verify that the input source voltage remains within the 4.5V to 35V operating range. Ensure thermal design accommodates the maximum junction temperature of +125°C under full load conditions.

Battery Management Part Context

This component belongs to the LTC4162 family of advanced battery chargers. Variants within the family differ by battery chemistry support (Lithium-Ion, Lead-Acid, LiFePO4) and cell count configurations. The L40M suffix specifically denotes a configuration optimized for two-cell lithium-ion battery packs with defined electrical characteristics.

Battery Management Replacement Considerations

Direct substitutes include other LTC4162 variants such as LTC4162EUFD-L40#PBF or LTC4162IUFD-L42M#PBF, provided the battery chemistry and cell count requirements match. Cross-model selection requires verification of the specific charge profile and input limits defined by the suffix codes.