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Partno	Mfg	Dc	Qty	Available	Descript
VNI4140K	ST	N/a	361	avai	Quad high-side smart power solid-state relay
VNI4140KTR	ST	N/a	15002	avai	Quad high-side smart power solid-state relay

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VNI4140K-VNI4140KTR
Quad high-side smart power solid-state relay
December 2013 DocID14174 Rev 13 1/25
VNI4140K
Quad high-side smart power solid-state relay
Datasheet - production data
Features Output current: 0.7 A per channel Shorted load protections Junction overtemperature protection Case overtemperature protection for thermal
independence of the channels Thermal case shutdown restart not
simultaneous 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 ESD according to IEC 61000-4-2 up to +/- kV
Description
The VNI4140K is a monolithic device made using
STMicroelectronics VIPower technology, intended
to drive 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 shutdown protects the chip from
overtemperature and short-circuit. In overload
conditions, channel turns OFF and back ON
automatically so to maintain junction temperature
between TTSD and TR. If this condition makes
case temperature reach TCSD, overloaded
channel is turned OFF and restart only when case
temperature has decreased down to TCR. In case
of more than one channel in overload, restart of
the overloaded channels is not simultaneous, in
order to avoid high peak current from the supply.
Non-overloaded channels continue operating
normally. The open drain diagnostics outputs
indicate overtemperature conditions.
Figure 1. Block diagram
Per channel.
Contents VNI4140K
2/25 DocID14174 Rev 13
Contents Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Switching waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.1 VNI4140K thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Reverse polarity protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Demagnetization energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
DocID14174 Rev 13 3/25
VNI4140K Pin connection
1 Pin connection
Figure 2. Pin connection (top view)
Table 1. Pin description
Pin connection VNI4140K
4/25 DocID14174 Rev 13
Table 1. Pin description (continued)
DocID14174 Rev 13 5/25
VNI4140K Maximum ratings
2 Maximum ratings
2.1 Thermal data
Table 2. Absolute maximum ratings
Table 3. Thermal data Per channel.