Datasheet

This is information on a product in full production.
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 +/-
25 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 T
TSD
and T
R
. If this condition makes
case temperature reach T
CSD
, overloaded
channel is turned OFF and restart only when case
temperature has decreased down to T
CR
. 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
Type V
demag
(1)
1. Per channel.
R
DS(on)
(1)
I
out
(1)
V
CC
VNI4140K V
CC
-41 V 0.08 Ω 0.7 A 41 V
PowerSSO-24
GIPD0611130956LM
www.st.com