R5438L315AA-TR

Overview

The R5438L315AA-TR is a battery protection IC designed for 1-cell to 3-cell Lithium-ion and Lithium Polymer batteries. It operates within a supply voltage range of 1.5 V to 20 V and features a low operating power current of 850 nA. The device provides an output voltage of 4.5 V and dissipates up to 150 mW of power. It is housed in a DFN-6 package suitable for SMD/SMT installation, functioning within a temperature range of -40°C to +85°C.

Feature Summary

• Provides secondary protection functions for multi-cell lithium-based battery packs
• Supports operation with both Lithium-ion and Lithium Polymer battery chemistries
• Features ultra-low standby current consumption for extended battery life

Applications

• Protection circuits for portable electronic devices
• Battery management systems for consumer electronics
• Secondary protection stages in multi-cell battery packs

Procurement Notes

Verify the specific part number suffix against official Nisshinbo Micro Devices documentation to ensure correct configuration. Confirm that the DFN-6 package dimensions align with your PCB footprint requirements. Check the latest datasheet for any updates on thermal performance or electrical characteristics before finalizing the design.

Selection Notes

Select this component when designing protection circuits for 1 to 3 cell battery configurations requiring low quiescent current. Ensure the application voltage does not exceed the 20 V maximum operating limit. Consider the DFN-6 package size constraints and verify compatibility with surface mount assembly processes.

Part Context

This component belongs to the R5438L series of battery protection ICs from Nisshinbo Micro Devices. It is categorized under PMIC - Power Management ICs and specifically serves as a battery protection solution. The series is designed for managing safety parameters in portable energy storage applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.