MP2603EJ-LF-P

Overview

The MP2603EJ-LF-P is a linear lithium-ion battery charger IC from Monolithic Power Systems, designed for single-cell applications. It operates within a supply voltage range of 3.5 V to 5.5 V and delivers a maximum charge current of 150 mA. The device supports a battery pack voltage of 4.2 V and utilizes a TSOT-23-5 package. It functions across an operating temperature range of -20°C to +85°C.

Feature Summary

• Integrates overcurrent and overtemperature fault protection mechanisms
• Supports programmable constant-current charging profiles
• Compatible with lithium-ion and lithium-polymer battery chemistries

Applications

• Single-cell lithium-ion battery charging systems
• Lithium-polymer battery management circuits
• Portable consumer electronic devices requiring compact power solutions

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm package type and thermal characteristics. Ensure that the selected variant aligns with the required operational temperature range and electrical specifications for the target application environment.

Selection Notes

Select this component for applications requiring a compact linear charging solution for single-cell lithium batteries. Consider the 150 mA output current limit and the TSOT-23-5 footprint when designing the power stage and thermal management strategy for the end product.

Part Context

This part belongs to the MP2603 series of battery chargers manufactured by Monolithic Power Systems. It is categorized under PMIC battery charging integrated circuits, specifically tailored for portable electronics where space efficiency and simple linear regulation are prioritized over high-efficiency switching architectures.

Replacement Considerations

MP2603EJ-LF-Z