VND5T050AK-E STMicroelectronics, VND5T050AK-E Datasheet - Page 21

• Manufacturer Part Number: VND5T050AK-E
• Description: Motor / Motion / Ignition Controllers & Drivers Double Ch High Side 24V 58Vcc 50mOhm
• Manufacturer: STMicroelectronics

Specifications of VND5T050AK-E

• Product Category: Motor / Motion / Ignition Controllers & Drivers

VND5T050AK-E
3
3.1
3.1.1
Application information
Figure 24. Application schematic
GND protection network against reverse battery
Solution 1: resistor in the ground line (R
This solution can be used with any type of load.
The following equations are an indication on how to size the R
1.
2.
where -I
maximum rating section of the device datasheet.
Power dissipation in R
P
This resistor can be shared amongst several different HSDs. Please note that the value of
this resistor should be calculated with formula (1) where I
maximum on-state currents of the different devices.
Please note that if the microprocessor ground is not shared by the device ground then the
R
values. This shift will vary depending on how many devices are ON in the case of several
high side drivers sharing the same R
D
GND
= (-V
R
R
will produce a shift (I
GND
GND
CC
MCU
+5V
GND
)
≤ 600 mV / (I
≥ (−V
2
/R
is the DC reverse ground pin current and can be found in the absolute
GND
CC
C
R
R
ext
R
prot
) / (-I
prot
prot
GND
GND
S(on)max
(when V
S(on)max
)
R
Doc ID 022694 Rev. 2
SENSE
FR_Stby
IN
CS
).
CC
* R
GND
< 0: during reverse battery situations) is:
GND
.
) in the input thresholds and the status output
V
GND
GND
R
GND
GND
S(on)max
only)
V
CC
D
GND
GND
becomes the sum of the
Application information
resistor.
OUT
D
ld
21/32