Line Card Access Switch
CPC7592
Features
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TTL logic level inputs for 3.3V logic interfaces
Smart logic for power up / hot plug state control
Small 16-pin SOIC or 16-Pin DFN Package
DFN package printed-circuit board footprint is 60
percent smaller than the SOIC version, 70 percent
smaller than 4
th
generation EMR solutions.
Monolithic IC reliability
Low matched R
ON
Eliminates the need for zero cross switching
Flexible switch timing to transition from ringing mode
to talk mode.
Clean, bounce-free switching
Tertiary protection consisting of integrated current
limiting, voltage clamping, and thermal shutdown for
SLIC protection
5 V operation with power consumption < 10 mW
Intelligent battery monitor
Latched logic-level inputs, no external drive circuitry
required
Description
The CPC7592 is a member of Clare’s next generation
Line Card Access Switch family. This monolithic 6-pole
solid-state switch is available in either a 16-pin SOIC
or a 16-pin DFN package. It provides the necessary
functions to replace two 2-Form-C electro-mechanical
relays used on traditional analog and contemporary
integrated voice and data (IVD) line cards found in
Central Office, Access, and PBX equipment. Because
this device contains solid state switches for tip and ring
line break, ringing injection/return and test access it
requires only a +5V supply for operation and
logic-level inputs for control.
The CPC7592 is very similar to the Clare CPC7582
with the addition of controlled start-up states and TTL
compatible logic inputs.
The CPC7592xC logic provides alternative test states
from the CPC7592xA/B and while also providing
greater protection SCR trigger and hold current
ratings.
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Applications
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VoIP Gateways
Central office (CO)
Digital Loop Carrier (DLC)
PBX Systems
Digitally Added Main Line (DAML)
Hybrid Fiber Coax (HFC)
Fiber in the Loop (FITL)
Pair Gain System
Channel Banks
Ordering Information
CPC7592 part numbers are specified as shown here:
B - 16-pin SOIC delivered 50/Tube, 1000/Reel
M - 16-pin DFN delivered 52/Tube, 1000/Reel
CPC7592 x x xx
TR - Add for Tape & Reel
Version
A -
With
Protection SCR
B -
Without
Protection SCR
C -
With
Protection SCR and “Monitor Test State”
Figure 1. CPC7592 Block Diagram
T
TEST
5
4 T
RINGING
+5V
DC
6 V
DD
CPC7592
Tip
Secondary
Protection
T
LINE
3
X
SW5
X
SW3
SW1
X
2 T
BAT
SLIC
R
LINE
14
SW2
Ring
X
15 R
BAT
L
A
T
C
H
7
T
SD
9
10
11
IN
TEST
IN
RINGING
LATCH
X
SW6
X
SW4
V
REF
Switch
Control
Logic
R
TEST
V
BAT
12
13 R
RINGING
300
Ω
(min.)
1
F
GND
SCR Trip Circuit
(CPC7592xA/C)
16
V
BAT
8
D
GND
RINGING
Pb
www.clare.com
RoHS
2002/95/EC
e
3
1
DS-CPC7592 - R03
CLARE [ CLARE, INC. ]
