MP5491GC-0000-P

Overview

The MP5491GC-0000-P is a quad-channel laser diode current source IC designed for optical modules. It operates on a supply voltage range of 2.7 V to 5.5 V and features an I2C interface for control. The device supports operation within a temperature range of -40 °C to +125 °C. It is manufactured by Monolithic Power Systems (MPS) and utilizes SMD/SMT mounting styles in a reel or cut tape package format.

Feature Summary

• Provides four independent channels for laser diode current sourcing
• Enables digital configuration and monitoring via I2C communication
• Supports wide operating voltage and extended temperature ranges

Applications

• Optical sensor modules
• Laser diode driver circuits
• Optical communication transceivers

Procurement Notes

Verify the specific suffix P against official MPS documentation to confirm packaging details. Ensure compatibility with I2C bus requirements and thermal management needs for the target application environment. Cross-reference the datasheet for exact pinout and electrical characteristics before integration.

Selection Notes

Select this component when designing optical systems requiring precise multi-channel laser current control. The integrated I2C interface allows for flexible system settings without additional external logic. Consider the WLCSP package constraints and thermal dissipation capabilities relative to the board layout.

Part Context

This part belongs to the MP5491 series from Monolithic Power Systems, specialized for optical applications. It serves as a dedicated power management solution for driving laser diodes in high-density optical interconnects. The design focuses on minimizing external component count while maintaining high precision.

Replacement Considerations

MP5490GC-0000-Z is listed as a direct substitute option.