LE9530DPQCT

Telecom Overview

The LE9530DPQCT is a dual-channel universal Subscriber Line Interface Circuit (SLIC) manufactured by Microchip Technology. It integrates two independent SLIC channels within a single QFN-48 package, designed for high-density telecommunications applications. The device supports standard analog telephone line interfacing functions including ringing generation, battery feed, and hybrid circuitry. It operates with a supply voltage of up to 100V, enabling direct connection to central office battery supplies. The component is engineered for robust performance in harsh electrical environments typical of telecom infrastructure.

Telecom Feature Summary

• Integrates two independent universal subscriber line interface circuits in a compact package
• Supports standard analog telephony signaling and line conditioning functions
• Designed for high-voltage operation compatible with central office power supplies

Telecom Applications

• Telephone exchanges and central office equipment
• Digital Subscriber Line Access Multiplexer (DSLAM) systems
• Voice over IP (VoIP) gateways and trunk cards

Telecom Procurement Notes

Verify the specific suffix DPQC against official Microchip documentation to confirm pinout and functional compatibility. Ensure that the QFN-48 package dimensions align with your PCB footprint requirements. Confirm RoHS compliance status through the latest datasheet revision before finalizing procurement specifications.

Telecom Selection Notes

Select this component when a dual-channel solution is required to reduce board space compared to single-channel alternatives. Consider the thermal dissipation characteristics of the QFN-48 package for your enclosure design. Evaluate the need for integrated hybrid circuits versus external components based on system complexity.

Telecom Part Context

This part belongs to the LE9530 family of telecom interface ICs from Microchip Technology. The family includes variants with different packaging options such as LE9530CPQC. These devices are widely used in legacy and modern telecommunication infrastructure requiring reliable analog line interfacing capabilities.

Telecom Replacement Considerations

Check for LE9530CPQC if a different package variant is needed. Verify cross-reference lists in official Microchip documents for qualified substitutes. Ensure any replacement maintains identical pinout and functional specifications.