Ata6839 [preliminary, Application circuit, Noise and surge immunity – Rainbow Electronics ATA6839 User Manual
Page 14: Figure 10-1. application circuit
14
4955C–AUTO–09/07
ATA6839 [Preliminary]
10. Application Circuit
Figure 10-1. Application Circuit
9.
Noise and Surge Immunity
Parameters
Test Conditions
Value
Conducted interferences
ISO 7637-1
Level 4
(1)
Interference suppression
VDE 0879 Part 2
Level 5
ESD (Human Body Model)
ESD S 5.1
4 kV
CDM (Charge Device Model)
ESD STM5.3.
500V
Note:
1. Test pulse 5: V
vbmax
= 40V
S
I
H
S
2
L
S
2
H
S
1
L
S
1
Control
logic
CLK
DO
INH
CS
DI
Input register
Ouput register
Serial interface
H
S
3
L
S
3
H
S
2
L
S
2
H
S
1
L
S
1
S
R
R
H
S
3
L
S
3
O
L
D
H
S
5
L
S
5
H
S
4
L
S
4
H
S
6
L
S
6
P
S
F
H
S
6
L
S
6
H
S
4
T
P
L
S
4
H
S
5
L
S
5
I
N
H
S
C
D
Power on
reset
Charge
pump
UV
protection
Thermal
protection
VS
VCC
GND
GND
GND
GND
S
C
T
GND
GND
GND
GND
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
Fault
Detect
OUT1
OUT3
OUT2
OUT4
OUT5
OUT6
M
M
M
M
M
Vbatt
24V
+
VS
BYT41D
VCC
5V
+
VCC
U5021M
Watchdog
Micr
ocontr
oller
Enable
VCC
T
rigger
Reset
VCC