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iC-VRV 2x4 24 V Low-Side Driver with I/O Function and 0 pages
iC-VRV
BIDIRECTIONAL ìP INTERFACE TO 24V
Rev A2, Page 1/12
PLCC44
FEATURES APPLICATIONS
Ë 2 × 4 bidirectional input/output stages at 24 V
Ë Input/output mode programmable for each 4 bits
Ë Guaranteed low-side driving capability of 100 mAdc and
500 mApeak for pulse load
Ë Short-circuit-proof driver with high electric strength
up to 48 V
Ë Low saturation voltage of 0.4 V at 10 mA and
1.5 V at 500 mA
Ë Programmable pull-down current sources
Ë Built-in free-wheeling diodes with externally accessible
common cathode
Ë Flashing function for the outputs
Ë Programmable digital input filters with externally adjusted
filtering times
Ë Bus capability via high-speed microprocessor interface
Ë Programmable interrupt output
Ë Shutdown at overtemperature and low voltage
Ë Dual quad low-side driver as
bidirectional ìP interface with
digital filtering in 24 V industrial
applications
PACKAGES
BLOCK DIAGRAM
Copyright © 2003, 2009 iC-Haus www.ichaus.com
iC-VRV
Register
Input/Output Stage 7
Input/Output Stage 6
Input/Output Stage 5
Input/Output Stage 4
Input/Output Stage 3
Input/Output Stage 2
Input/Output Stage 1
I/O Logic
I/O Logic
I/O Logic
I/O Logic
I/O Logic
I/O Logic
I/O Logic
DISABLE
higher nibble
lower nibble
Q
Input/Output Stage 0
VCC-1.3V
Thermal Shutdown Bias
Low Voltage
Frequency Divider
Interrupt
R
Bln
DIV
Bhn
DIV
Cln
DIV
Chn
DIV
D
D
Q
NQ
R
R
Control
Test
Input Filter
Output Latch
up/dwn
3 Bit Counter
CTEST
ENERR
CERR
GNDD GNDS GNDA
D0
D1
D2
D3
D5
D6
IO0
GND01
IO1
IO2
GND23
IO3
IO4
GND45
IO5
IO6
GND67
IO7
COM
INTN CLK BLFQ
RESN
D7
D4
RDN
WRN
VCCD
VCCA
CSN
A0
A1
34
30
6
4
41
7
44
39
2
3
40
42
43
1
35
36
37
38
8
11 10 9 12 13 16
24
25
26
27
28
23
22
21
20
19
18
17
29
PLCC44
