VND5E008AY-E STMicroelectronics, VND5E008AY-E Datasheet - Page 26

• Manufacturer Part Number: VND5E008AY-E
• Description: Power Switch ICs - Power Distribution Double Ch High Side 41V 8mOhm 76A 2uA
• Manufacturer: STMicroelectronics

Specifications of VND5E008AY-E

• Product Category: Power Switch ICs - Power Distribution
• Rohs: yes

Application information
3.3
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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.
Current mirror of the load current in normal operation, delivering a current
proportional to the load one according to a known 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
Table 11: Truth
–
–
–
–
Power limitation activation
Overtemperature
Short to V
Open-load in off-state with additional external components.
SENSE
CC
Table 7: Current sense (8 V < V
table):
in off-state
SENSE
SENSEH
can be easily converted to a voltage V
. Linearity between I
Doc ID 13620 Rev 3
in case of the following fault conditions (refer to
SENSE
in
Table 7: Current sense (8 V < V
OUT
CC
and V
< 18
Figure 33: Current sense and
V)).
SENSE
X
SENSE
.
is ensured up to 5 V
by means of an
SENSEH
CC
VND5E008AY-E
< 18
up to a
V)). The