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IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q601/Q602: IRS20954S DIGITAL AUDIO DRIVER-1
LEAD DEFINITIONS
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
TE
L 13942296513
16
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.
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Symbol
VDD
Floating input positive supply
Shutdown timing capacitor, referenced to VSS
CSD
PWM non-inverting input, in phase with HO
IN
VSS
Floating input supply return
NC
5V reference output for setting OCSET
VREF
Low-side over-current threshold setting, reference to COM
OCSET
Input for programable deadtime, reference to COM
DT
Low-side supply return
COM
Low-side output
LO
Low-side logic supply
VCC
NC
High-side floating supply return
VS
High-side output
HO
High-side floating supply
VB
High-side over-current sensing input, reference to VS
CSH
VDD
1
CSD
2
IN
3
VSS
4
NC
5
VREF
6
OCSET
7
O
DT
8
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3
6 7
1 3
1 5
CSH
16
VB
15
HO
14
VS
13
20954
NC
12
VCC
11
LO
10
COM
9
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
ADM-30.1
9 9
9 9
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