VN5E050MJTR-E STMicroelectronics, VN5E050MJTR-E Datasheet - Page 25

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VN5E050MJTR-E

Manufacturer Part Number
VN5E050MJTR-E
Description
IC DVR SWITCH HI SIDE PWRSSO12
Manufacturer
STMicroelectronics
Type
High Sider
Datasheet

Specifications of VN5E050MJTR-E

Input Type
Non-Inverting
Number Of Outputs
1
On-state Resistance
50 mOhm
Current - Peak Output
27A
Voltage - Supply
4.5 V ~ 28 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output / Channel
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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VN5E050MJ-E
3.4
Current sense and diagnostic
The current sense pin performs a double function (see
diagnostic):
A logic level high on CS_DIS pin sets at the same time all the current sense pins of the
device in a high impedance state, thus disabling the current monitoring and diagnostic
detection. This feature allows multiplexing of the microcontroller analog inputs by sharing of
sense resistance and ADC line among different devices.
Figure 30. Current sense and diagnostic
Current mirror of the load current in normal operation, delivering a current
proportional to the load one according to a know ratio K
The current I
external resistor R
minimum (see parameter V
current sense accuracy depends on the output current (refer to current sense electrical
characteristics
Diagnostic flag in fault conditions, delivering a fixed voltage V
maximum current I
To uC ADC
CS_DIS
Power limitation activation
Overtemperature
I
OUT
R
PROT
/K
SENSE
R
X
Table 9: Current sense
SENSE
SENSE
SENSEH
can be easily converted to a voltage V
41V
I
CURRENT
SENSEH
SENSEn
. Linearity between I
Doc ID 16611 Rev 1
V
in case of the following fault conditions (refer to
SENSE
SENSE
V
SENSEH
in
Table 9: Current sense
(8V<VCC<18V)).
Overtemperature
Pwr_Lim
OUT
and V
Figure 30: Current sense and
SENSE
X
.
Main MOSn
SENSE
(8V<VCC<18V)). The
GND
Application information
V
is ensured up to 5V
CC
V
by means of an
SENSEH
BAT
OUTn
up to a
Load
Truth
table):
25/35

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