LTC4162EUFD-FST#PBF

Battery Management Overview

The LTC4162EUFD-FST#PBF is a monolithic synchronous step-down switching battery charger and PowerPath manager manufactured by Analog Devices. It supports rechargeable lithium iron phosphate (LiFePO4) batteries with a single cell configuration. The device operates from an input voltage range of 4.5 V to 35 V and delivers an output current of up to 3.2 A. It features integrated I2C telemetry for remote monitoring and programmable charge algorithms. The component is housed in a 28-lead QFN package and is designed for operation within a temperature range of -40°C to +125°C.

Battery Management Feature Summary

• Integrates a synchronous step-down switching regulator with a PowerPath manager for seamless power distribution between input sources and the battery.
• Supports configurable charging algorithms specifically optimized for LiFePO4 chemistry with single-cell operation.
• Provides I2C telemetry interface for remote monitoring of system parameters and battery status.

Battery Management Applications

• USB Power Delivery based battery chargers utilizing USB Type-C cables
• Solar-powered charging systems requiring maximum power point tracking
• Portable devices powered by wall adapters or backplanes

Battery Management Procurement Notes

Verify the specific suffix FST against the official Analog Devices datasheet to confirm the LiFePO4 single-cell configuration. Ensure the order includes the #PBF designation for lead-free compliance. Cross-reference the manufacturer part number with authorized distributors to confirm availability and authenticity, as supply constraints may apply.

Battery Management Selection Notes

Select this variant when designing for lithium iron phosphate batteries requiring single-cell management. The fixed internal settings for FST variants simplify design compared to fully programmable versions. Confirm that the application requires the specific default MPPT state associated with this suffix. Verify input voltage ranges match the 4.5 V to 35 V specification.

Battery Management Part Context

This component belongs to the LTC4162 family of advanced battery chargers. The family supports multiple chemistries including Lithium-Ion, LiFePO4, and Lead-Acid. Variants are distinguished by suffixes indicating battery type and cell count. The EUFD package denotes a 28-lead QFN with exposed pad.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices for direct replacements or compatible family members such as other LTC4162 variants with matching battery chemistry support.