Microchip LE9642 Manual

Microchip Ikke kategoriseret LE9642

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Side 1/2

Features

• Economical, fifth-generation line interface

solution for VoIP processors and SoCs

• Smaller, 48-pin 7x7 mm QFN package

• Dual Channel Architecture

• Single port 4-wire interface control (ZSI)

- Compatible with numerous VoIP processors and

SoC solutions

- Less expensive isolation than multi-port control

- Simplifies board routing

• VoicePath SDK and VP-API-II Software

available to implement FXS functions

• VeriVoice Professional Test Suite Software

• Comprehensive subscriber loop testing,

including Telcordia GR-909-CORE / TIA-1063

diagnostic testing

• Industry leading advanced test software

• VeriVoice Manufacturing Test Package (VVMT)

• Facilitates factory testing and calibration of

assembled boards

• Low cost, Energy Efficient Shared Switching

Regulator Architecture

- Dual Output power supply

- Integrated battery switches

- Up to 70 VRMS open circuit ringing with

5 REN load

• Low cost, 2-Layer PCB Reference Designs

• Complete Wideband BORSCHT functionality

• Worldwide Programmability

• Per channel Narrowband or Wideband

operation

Applications

• Fixed Wireless (LTE) Gateways

• DSL Residential Gateways and Integrated

Access Devices (IADs)

• Cable Embedded Multimedia Terminal

Adapters (eMTAs)

• PON Single Family Units (SFU)

• Fiber-to-the-premise (FTTX) solutions

Description

The miSLIC

Line Circuits together with a VoIP

processor or SoC, provides an economical turn-key

solution for derived voice applications. The miSLIC

devices are controlled by a VoIP processor or SoC

through a simple, single serial interface.

The dual channel Le9642 miSLIC device uses an energy

efficient shared power supply topology for reduced BOM

cost. The Le9642 can be configured for patent-pending

shared Buck-Boost Automatic Battery Switching (BBABS)

operation. Ringing and system power management are

supported to limit the peak power requirements of each

telephone line FXS port. The dual channel Le9642

features wideband clarity and complete BORSCHT

functionality.

Manufacturing self test and subscriber line diagnostics

are available features. All AC, DC, and power parameters

are programmable making the Le9642 device suitable for

any short loop application requiring SLIC functionality.

Figure 1 - Le9642 Block Diagram

TIPD

TDC

TAC

RINGD

RDC

RAC

GND VREF

VBL

High Voltage

Line Driver

Data

Transmission

and Control

Analog

Reference

Voice Signal

Processing

Supervision

Processing

Signaling

Control

LFC

RTV

RSN

IHL

Switching

Regulator

Controllers

TIPD

TDC

TAC

RINGD

RDC

RAC

VBL

High Voltage

Line Driver

Signal

Generation

Voice Signal

Processing

Supervision

Processing

Signaling

Control

LFC

RTV

RSN

IHL

SWOUTZ

ZCLK

ZMOSI

ZMISO

ZSYNC

SWCMPY

SWVSY

SWISY

SWOUTY

SWCMPZ

SWVSZ

SWISZ

Power

Supplies

AVDD

VDDSW

VDDHPI

DVDD

DVDD1V2IREF

Le9642

VBH

Document ID# 150403 Version 1 September 2014

Le9642

Dual Subscriber Line Interface Circuit

miSLIC

Series

Product Brief

Ordering Information

Device OPN

Device Type Package Packing

Le9642PQCT SLIC, BBABS 48-pin QFN Tape & Reel

Le9642PQC SLIC, BBABS 48-pin QFN Tray

This Green package meets RoHS 2 Directive 2011/65/EU of the

European Council to minimize the environmental impact of

electrical equipment.

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	LE9642

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