LE9651PQC

Telecom Overview

The LE9651PQC is a single-channel Subscriber Line Interface Circuit (SLIC) from Microchip Technology, designed for telecom interface applications. It operates within a supply voltage range of 3.135 V to 3.465 V, with a nominal working voltage of 3.3 V. The device features a QFN-48 package and supports serial 4-wire interfaces. It draws 25 mA during operation and dissipates up to 1.5 W of power. The component functions as a 150V-tracker SLIC and is rated for industrial temperatures between -40°C and +85°C.

Telecom Feature Summary

• Integrates a 150V-tracker SLIC architecture for subscriber line interfacing
• Supports serial 4-wire communication interface for control and data
• Includes internal protection mechanisms suitable for telecom environments

Telecom Applications

• Telecom interface systems requiring single-channel subscriber line connectivity
• Industrial communication equipment operating within specified voltage ranges
• Subscriber line interface circuits in telecommunications infrastructure

Telecom Procurement Notes

Verify the manufacturer designation carefully, as similar part numbers exist across different vendors. Confirm the specific suffix PQC corresponds to the QFN-48 package and tray packaging details. Ensure compatibility with the required 3.3 V supply and serial interface protocols before integration into the design.

Telecom Selection Notes

Select this component when a single-channel SLIC with 150V tracking capability is required. Verify that the QFN-48 package fits the board layout constraints. Check that the 25 mA operating current and 1.5 W power dissipation are manageable within the thermal design. Ensure the serial 4-wire interface matches the system controller's communication protocol.

Telecom Part Context

This component belongs to the miSLIC product family from Microchip Technology, specialized for telecom interface ICs. It serves as a dedicated solution for subscriber line interfacing, distinct from general-purpose interface controllers. The part is categorized under Interface ICs and is intended for robust performance in telecommunications applications.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications against any potential alternative components to ensure functional compatibility without direct cross-reference data.