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Texas Instruments TAS5614LA and TAS5612LA Evaluation Module TAS5614LADDVEVM TAS5614LADDVEVM Datenbogen

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TAS5614LADDVEVM
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2-CHANNEL
H-BRIDGE
BTL MODE
Output
H-Bridge 2
P
V
D
D
_
A
B
,
C
D
G
N
D
Hardwire
Over-
Current
Limit
G
N
D
V
D
D
D
V
D
D
A
V
D
D
O
C
_
A
D
J
PVDD
Power Supply
Decoupling
GVDD, VDD,
& VREG
Power Supply
Decoupling
SYSTEM
Power
Supplies
PVDD
GVDD (12V)/VDD (12V)
GND
36V
12V
GND
VAC
Bootstrap
Capacitors
BST_C
BST_D
2
nd
Order
L-C Output
Filter for
each
H-Bridge
OUT_C
OUT_D
G
V
D
D
_
A
B
,
C
D
Bootstrap
Capacitors
BST_A
BST_B
INPUT_A
2
nd
Order
L-C Output
Filter for
each
H-Bridge
OUT_A
OUT_B
Output
H-Bridge 1
Input
H-Bridge 1
INPUT_B
M2
M1
M3
Hardwire
Mode
Control
Input
H-Bridge 2
INPUT_C
INPUT_D
C
_
S
T
A
R
T
Capacitors for
External
Filtering
&
Startup/Stop
/O
T
W
/C
L
IP
System
microcontroller
/F
A
U
L
T
PWM_A
PWM_B
PWM_C
PWM_D
I2C
Left-
Channel
Output
Right-
Channel
Output
VALID
/RESET
/AMP RESET
*NOTE1
TASxxxx
PWM Modulator
SLAS846 – MAY 2012
TYPICAL SYSTEM BLOCK DIAGRAM
(1) Logic AND is inside or outside the micro processor.
6
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