ATA6829 ATMEL Corporation, ATA6829 Datasheet - Page 13

• Manufacturer Part Number: ATA6829
• Description: Dual Triple DMOS Output Driver with Serial Input Control
• Manufacturer: ATMEL Corporation

10. Application Circuit
10.1
4531F–BCD–09/05
Application Notes
Watchdog
U5021M
V
CC
V
CC
It is strongly recommended to connect the blocking capacitors at V
ble to the power supply and GND pins.
Recommended value for capacitors at V
Electrolytic capacitor C > 22 µF in parallel with a ceramic capacitor C = 100 nF. Value for elec-
trolytic capacitor depends on external loads, conducted interferences and reverse conducting
current I
Recommended value for capacitors at V
Electrolytic capacitor C > 10 µF in parallel with a ceramic capacitor C = 100 nF.
To reduce thermal resistance it is recommended to place cooling areas on the PCB as close as
possible to the GND pins. Negative spikes at the output pins (e.g. negative spikes caused by an
inductive load switched off with a high side driver) may activate the overtemperature protection
function of the T6819/ATA6829. In this condition, the affected output will be switched off. If this
behavior is not acceptable or compatible with the specific application functionally, it is neces-
sary, that for switching on required outputs again, the SRR bit (Status Register Reset) is set, to
ensure a reset of the overtemperature function.
PWM
CLK
DO
CS
DI
6
7
5
10
8
Out1,2,3
P
S
F
S
I
OUT3H
OUT3L
N
H
detect
O
C
S
I
Fault
Input register
detect
Fault
Output register
(see
O
V
O
D
L
L
4
3
H
n.
u.
P
3
“Absolute Maximum Ratings” on page
P
L
3
n.
u.
P
H
2
n.
u.
M
P
L
2
n.
u.
OUT2L
OUT2H
P
H
1
n.
u.
detect
Fault
detect
Fault
P
L
1
n.
u.
14
15
H
S
3
H
S
3
Serial interface
S
L
3
L
S
3
H
S
2
H
S
2
M
L
S
2
S
L
2
OUT1L
OUT1H
S
CC
H
S
1
:
H
S
1
detect
detect
Fault
Fault
:
S
L
1
L
S
1
13
2
S
R
R
T
P
Control
logic
protection
Thermal
7).
Charge
pump
protection
Power-on
UV -
reset
T6819/ATA6829
CC
and V
11
16
12
9
1
VCC
GND
GND
GND
VS
S
as close as possi-
V
+ +
+
S
0 to 40 V
V
Batt
V
5 V
CC
13