LTC4162IUFD-LAD#TRPBF

Battery Management Overview

The LTC4162IUFD-LAD#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 features a fixed 4.1 V output voltage, suitable for single-cell applications. Operating temperatures range from -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 PowerPath functionality for automatic source selection.
• Manages power distribution between multiple input sources such as wall adapters, backplanes, or solar panels and the battery.
• Supports programmable input current limiting to protect upstream power supplies.

Battery Management Applications

• Solar-powered charging systems with maximum power point tracking
• USB Power Delivery (PD) based battery chargers
• Wall adapter powered portable devices

Battery Management Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status and specific lot traceability requirements prior to procurement. Ensure storage conditions align with manufacturer guidelines to maintain reliability. Review supply chain documentation for any restricted substance declarations relevant to your application environment.

Battery Management Selection Notes

Select this part for applications requiring high-efficiency charging from wide-range DC inputs. The LAD suffix indicates configuration for lead-acid or specific lithium chemistry profiles; verify compatibility with target battery type. Consider thermal performance in enclosed designs due to high current capability. Evaluate external component requirements for inductor selection and input/output capacitance based on system constraints.

Battery Management Part Context

This component belongs to the LTC4162 family of advanced battery chargers. It is part of Analog Devices' portfolio of power management integrated circuits focused on portable and industrial applications. The series offers various configurations tailored to different battery chemistries and input source types, providing flexible integration options for designers.

Battery Management Replacement Considerations

Direct substitutes include other variants within the LTC4162 family such as LTC4162EUFD-L42#TRPBF or LTC4162IUFD-L41M#TRPBF, depending on required output voltage and battery cell count. Verify pinout compatibility and software configuration differences before substitution.