STMICROELECTRONICS STEVAL

STEVAL-IFP019V1
Quad high-side smart-power solid-state relay demonstration board
based on the VNI4140K-32
Data brief
Features
■
Output current: 1 A per channel
■
Shorted load protections
■
Junction overtemperature protection
■
Case overtemperature protection for thermal
independence of the channels
■
Thermal case shutdown non-simultaneous
restart for the various channels
■
Protection against loss of ground
■
Current limitation
■
Undervoltage shutdown
■
Open drain diagnostic outputs
■
3.3 V CMOS/TTL compatible inputs
■
Fast demagnetization of inductive loads
■
Conforms to IEC 61131-2
■
RoHS compliant
Description
The STEVAL-IFP019V1 demonstration board
shows the features of the VNI4140K-32 quad
high-side smart-power solid-state relay.
The application offers robustness and complies
with EMC industrial standards. It implements
short-circuit/overload protection and also thermal
management, achieving best-in-class MTBF
values. The reference design is suitable for use in
programmable logic controllers (PLCs) as well as
to drive generic loads which require up to 1 A of
nominal current (the typical current limitation is
1.1 - 2.6 A). Thanks to the very low RDS(on) (only
80 mΩ typical @ 25 °C per channel) the device
allows very low power consumption during
operation and for this reason it offers an ideal
solution for IP65 / IP67 requirements. The
VNI4140K-32 is compliant with IEC 61131-2
(international standard for programmable
controllers).
December 2011
Doc ID 022565 Rev 1
For further information contact your local STMicroelectronics sales office.
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Doc ID 022565 Rev 1
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STEVAL-IFP019V1
Schematic circuit
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STEVAL-IFP019V1
2
Connectors
Connectors
The STEVAL-IFP019V1 demonstration board uses input header connectors; one screw
drives the four-channel output connector and one screw drives the two-channel supply
connector.
Both input connectors, J5 and J1, provide the same bi-directional demonstration board
signalization guaranteeing maximum compatibility with existing ST tools.
Figure 2.
J1 connector pinout
!-V
Figure 3.
J5 connector pinout
!-V
Table 1.
Connector J1 and J5 pinout mapping
J1 pin number
J5 pin number
Signal
Type
11
1
Vdd
5 / 3.3 V supply voltage
23
2
GND
Signal ground
9
3
IN1
Input channel 1
13
4
IN2
Input channel 2
15
5
IN3
Input channel 3
17
6
IN4
Input channel 4
6
7
STAT1
Status channel 1
25
8
STAT2
Status channel 2
21
9
STAT3
Status channel 3
19
10
STAT4
Status channel 4
Doc ID 022565 Rev 1
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Revision history
3
STEVAL-IFP019V1
Revision history
Table 2.
4/5
Document revision history
Date
Revision
19-Dec-2011
1
Changes
Initial release.
Doc ID 022565 Rev 1
STEVAL-IFP019V1
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