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VNI4140K Datasheet(PDF) 1 Page - STMicroelectronics

Part No. VNI4140K
Description  Quad high side smart power solid state relay
Download  23 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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VNI4140K Datasheet(HTML) 1 Page - STMicroelectronics

 
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November 2007
Rev 2
1/23
23
VNI4140K
Quad high side smart power solid state relay
Features
Output current : 0.7 A per channel
Shorted load protections
Junction over-temperature protection
Case overtemperature protection for thermal
independence of the channels
Thermal case shut-down restart not
simultaneous for the various channels
Protection against loss of ground
Current limitation
Undervoltage shut-down
Open drain diagnostic outputs
3.3 V CMOS/TTL compatible inputs
Fast demagnetization of inductive loads
Conforms to IEC 61131-2
Description
The VNI4140K is a monolithic device made using
STMicroelectronics VIPower technology, intended
for driving four independent resistive or inductive
loads with one side connected to ground. Active
current limitation avoids dropping the system
power supply in case of shorted load. Built-in
thermal shut-down protects the chip from
overtemperature and short circuit. In overload
condition, channel turns OFF and back ON
automatically so as to maintain junction
temperature between TTSD and TR. If this
condition makes case temperature reach TCSD,
overloaded channel is turned OFF and will restart
only when case temperature has decreased down
to TCR. In case of more than one channel in
overload, re-start of the overloaded channels will
not be simultaneous, in order to avoid high peak
current from the supply. Non overloaded channels
continue to operate normally. The open drain
diagnostics outputs indicates over-temperature
conditions.
Type
Vdemag
(1)
1.
Per channel
RDSon
(1)
Iout
(1)
VCC
VNI4140K
VCC-41 V
0.08
0.7 A
41 V
PowerSSO-24
www.st.com
Figure 1.
Block diagram


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