CPC7592
Line Card Access Switch
Features
Description
• 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
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
th
smaller than 4 generation EMR solutions.
• Monolithic IC reliability
• Low matched R
• Eliminates the need for zero cross switching
• Flexible switch timing to transition from ringing mode
to talk mode.
ON
logic-level inputs for control.
• Clean, bounce-free switching
• Tertiary protection consisting of integrated current
limiting, voltage clamping, and thermal shutdown for
SLIC protection
The CPC7592 is very similar to the Clare CPC7582
with the addition of controlled start-up states and TTL
compatible logic inputs.
• 5 V operation with power consumption < 10 mW
• Intelligent battery monitor
• Latched logic-level inputs, no external drive circuitry
required
The CPC7592xC logic provides alternative test states
from the CPC7592xA/B and while also providing
greater protection SCR trigger and hold current
ratings.
Applications
• VoIP Gateways
Ordering Information
• Central office (CO)
• Digital Loop Carrier (DLC)
• PBX Systems
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
• Digitally Added Main Line (DAML)
• Hybrid Fiber Coax (HFC)
• Fiber in the Loop (FITL)
• Pair Gain System
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”
• Channel Banks
Figure 1. CPC7592 Block Diagram
+5VDC
TTEST
TRINGING
V
6
5
4
DD
CPC7592
SW5
SW3
X
X
X
Tip
TBAT
TLINE
2
3
X
SW1
Secondary
Protection
SLIC
Ring
SW2
X
R
LINE14
RBAT
15
9
L
A
T
C
H
INTEST
SW6
SW4
X
Switch
Control
Logic
10
VREF
INRINGING
LATCH
11
12
13 RRINGING
1
FGND
16
VBAT
8
7
SCR Trip Circuit
(CPC7592xA/C)
RTEST
DGND
TSD
300Ω
(min.)
VBAT
RINGING
RoHS
2002/95/EC
Pb
e3
DS-CPC7592 - R03
www.clare.com
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