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STA515W Fiches technique(PDF) 10 Page - STMicroelectronics

No de pièce STA515W
Description  40-volt, 3-amp, quad power half bridge
Download  14 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA515W Fiches technique(HTML) 10 Page - STMicroelectronics

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Applications information
STA515W
10/14
Doc ID 11079 Rev 2
Applications circuits
Figure 7 below shows a typical full-bridge circuit for supplying 20 W + 20 W into 8-
speakers with 10% THD at VCC = 18 V.
Figure 7.
Typical stereo full-bridge configuration for 20 + 20 W
Figure 8 below shows a single-BTL configuration capable of supplying 40 W into a 4-
Ω load
at 10% THD with VCC = 19 V. This result was obtained with peak power for <1 s using the
STA308+STA515W+STA50X demo board. A PWM modulator as driver is required.
Figure 8.
Typical single-BTL configuration for 40 W
L18 22
µH
L19 22
µH
C30
1
µF
C20
100nF
C99
100nF
C101
100nF
C107
100nF
C106
100nF
C23
470nF
C55
1000
µF
C21
100nF
C58
100nF
C58
100nF
R57
10K
R59
10K
R63
20
R98
6
R100
6
C53
100nF
C60
100nF
C31
220nF
C52
330pF
R104
20
C109
330pF
15
M3
IN1A
IN1A
VL
CONFIG
PWRDN
PWR_DN
FAULT
TRISTATE
THWARN
TH_WARN
+3.3V
IN1B
VDD
VDD
VSS
VSS
VCCSIG
VCCSIG
GNDREG
GNDCLEAN
IN2A
IN1B
IN2A
IN2B
PROTECTION
&
LOGIC
REGULATORS
29
23
24
25
27
26
28
30
21
22
33
34
35
36
M2
M5
M4
17
16
OUT1A
GND1A
OUT1A
VCC1A
14
12
10
11
OUT1B
GND1B
OUT1B
VCC1B
13
L113 22
µH
L112 22
µH
C32
220nF
+VCC
C108
470nF
C31
220nF
7
M17
M15
M16
M14
8
9
OUT2A
GND2A
OUT2A
VCC2A
6
4
2
3
OUT2B
GND2B
D00AU1148Bbc
OUT2B
VCC2B
5
19
31
20
GNDSUB
1
IN2B
32
C110
100nF
C111
100nF
R103
6
R102
6
8
8
10
µH
10
µH
100nF
FILM
220nF
X7R
220nF
X7R
1
µF
X7R
2200
µF
63V
220nF
680nF
FILM
100nF
FILM
100nF
10K
10K
3.3
1/2W
3.3
1/2W
100nF
X7R
100nF
X7R
Add.
IN1A
IN1A
VL
CONFIG
PWRDN
nPWR_DN
FAULT
TRISTATE
THWARN
TH_WARN
+3.3V
100nF
100nF
X7R
IN1B
VDD
VDD
VSS
VSS
VCCSIG
VCCSIG
GNDREG
GNDCLEAN
IN1B
IN2A
29
23
N.C.
24
25
27
26
28
30
21
22
33
34
35
36
17
16
18
OUT1A
GND1B
OUT1A
VCC1B
10
13
11
OUT1B
GND1A
OUT1B
14
Vcc
330pF
22
1/2W
4
GND2A
6
2
12
VCC1A
15
VCC2B
4
VCC2A
7
3
OUT2B
GND2B
D04AU1545bc
OUT2B
5
19
31
20
GNDSUB
1
IN2B
32
8
9
OUT2A
OUT2A
1
µF
X7R
Vcc
220nF


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