LE9653AQC

Telecom Overview

The LE9653AQC is a single-channel Subscriber Line Interface Circuit (SLIC) from Microchip Technology's miSLIC series, designed for high-voltage battery applications. It supports peak battery voltages up to 150V and delivers up to 100-Vrms output with a 5-RE load or 50-Vrms with a 5-RE load. The device operates on a 3.3V supply voltage within a -40°C to +85°C temperature range. It features pin-selectable PCM/SPI or ZSI interfaces, enabling flexible integration with VoIP processors and SoCs. The component utilizes energy-efficient switching regulator architectures, specifically high-voltage flyback tracking, to comply with broadband equipment energy consumption codes.

Telecom Feature Summary

• Supports high-voltage battery designs up to 150V peak with robust output capabilities
• Features pin-selectable interface options including PCM, SPI, and single-port 4-wire ZSI control
• Integrates energy-efficient switching regulator architectures such as high-voltage flyback tracking
• Provides complete wideband or narrowband BORSCHT functionality for subscriber line interfacing

Telecom Applications

• Fixed wireless LTE gateways
• VoIP processors and SoC solutions
• Broadband equipment requiring energy-efficient SLICs

Telecom Procurement Notes

Verify the specific ordering suffix 'AQC' against official Microchip documentation to confirm tray packaging and RoHS compliance status. Ensure compatibility with required interface configurations before procurement. Cross-reference the part number with current datasheet revisions to validate electrical parameters and package dimensions. Confirm that the selected variant meets the specific voltage and load requirements of the target application design.

Telecom Selection Notes

Select the LE9653AQC when designing systems requiring 150V peak battery support and high-voltage flyback tracking efficiency. This model is suitable for applications needing 100-Vrms output capability under 5-RE loads. Consider the pin-selectable interface flexibility for board routing simplification. Verify that the QFN-48 package fits the PCB layout constraints and thermal management requirements of the final assembly.

Telecom Part Context

The LE9653AQC belongs to the miSLIC series, which offers software compatibility with equivalent feature sets to other models like the LE9641/LE9651. This series facilitates comprehensive subscriber loop testing per Telcordia GR-909-Core/TIA-1063 standards. The devices are designed to work with VoicePath SDK and VP-API-II software for FXS function implementation. They support worldwide programmability and include manufacturing test packages for factory board testing.

Telecom Replacement Considerations

The LE9653AQC is software compatible with the LE9641 and LE9651 equivalents. Designers may consider these parts if interface pinouts and voltage specifications align with the existing system architecture. Verify that the replacement part supports the required 150V peak battery design and high-voltage flyback tracking mode.