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VNQ830 Scheda tecnica(PDF) 18 Page - STMicroelectronics

Il numero della parte VNQ830
Spiegazioni elettronici  Quad channel high-side driver
PDF  28 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNQ830 Scheda tecnica(HTML) 18 Page - STMicroelectronics

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Application information
VNQ830
18/28
Doc ID 7390 Rev 5
3
Application information
Figure 24.
Application schematic
Note:
Channels 3 and 4 have the same internal circuit as channel 1 and 2.
3.1
GND protection network against reverse battery
This section provides two solutions for implementing a ground protection network against
reverse battery.
3.1.1
Solution 1: a resistor in the ground line (RGND only)
This can be used with any type of load.
The following show how to dimension the RGND resistor:
1.
RGND ≤ 600 mV / 2(IS(on)max)
2.
RGND ≥(-VCC) / (-IGND)
VCC1,2
OUTPUT2
+5V
Rprot
OUTPUT1
STATUS1
INPUT1
+5V
STATUS2
INPUT2
+5V
DGND
RGND
VGND
GND1,2
GND3,4
OUTPUT3
OUTPUT4
μC
VCC3,4
STATUS3
INPUT3
STATUS4
INPUT4
+5V
+5V
Rprot
Rprot
Rprot
Rprot
Rprot
Rprot
Rprot
Dld
Obsolete
Product(s)
- Obsolete
Product(s)



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