LTC4162EUFD-FFS#TRPBF

Battery Management Overview

The LTC4162EUFD-FFS#TRPBF is a monolithic synchronous step-down switching battery charger and PowerPath manager designed for lithium iron phosphate (LiFePO4) batteries. It supports input voltages from 4.5 V to 35 V and delivers an output current of 3.2 A with a fixed 3.6 V charging voltage. The device operates within a temperature range of -40°C to +125°C and is housed in a 28-pin QFN package.

Battery Management Feature Summary

• Integrates a synchronous buck converter for efficient LiFePO4 battery charging
• Manages power distribution between multiple input sources and the battery via PowerPath
• Supports wide input voltage ranges suitable for various power adapters and backplanes

Battery Management Applications

• Single-cell USB Power Delivery chargers
• Solar panel powered systems
• Wall adapter based charging solutions

Battery Management Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm the FFS variant designation corresponds to the LiFePO4 chemistry configuration. Ensure compatibility with the required 28-pin QFN footprint during PCB layout. Check manufacturer documentation for any recent revisions affecting pinout or electrical characteristics.

Battery Management Selection Notes

Select this component for applications requiring integrated PowerPath management with LiFePO4 batteries. It is suitable for designs needing high input voltage tolerance up to 35 V. Consider the thermal performance of the QFN package for high-current operation. Verify that the fixed 3.6 V output matches the target battery cell requirements.

Battery Management Part Context

This part belongs to the LTC4162 family of advanced battery chargers. Variants such as L42, SADM, and FAD support different battery chemistries including Lithium-ion, Lead-Acid, and LiFePO4. The EUFD package provides a compact solution for space-constrained portable electronics.

Battery Management FAQ

What is the fixed charging voltage for the FFS variant?

The LTC4162EUFD-FFS variant is configured for a fixed 3.6 V charging voltage, optimized for single-cell LiFePO4 batteries.

Does this device support PowerPath functionality?

Yes, the LTC4162EUFD-FFS integrates a PowerPath manager to seamlessly handle power distribution between input sources and the battery.