STA516B_10 Datasheet, PDF (12/17 Pages) STMicroelectronics – 65-volt, 7.5-amp, quad power half bridge

Applications information
STA516B
5.6
Applications circuits
Figure 7. Typical stereo-BTL configuration for 200 W per channel
IN1A 29
M3
IN1A
+3.3V
VL 23
CONFIG 24
PWRDN PWRDN 25
M2
R57
R59
10K
10K
FAULT 27
26
PROTECTIONS
&
LOGIC
C58
TRI-STATE
M5
100nF
TH_WAR
TH_WAR 28
IN1B
IN1B 30
VDD 21
VDD 22
VSS 33
V_SS 34
C58
100nF
C53
100nF
C60
100nF
VCCSIGN ₃₅
VCCSIGN ₃₆
IN2A
IN2A 31
REGULATORS
M4
M17
M15
GND-Reg
20
GND-Clean
19
M16
IN2B
IN2B 32
GNDSUB
M14
1
V_CC1A
15
C30
1µF
17
OUT1A
16
OUT1A
14 GND1A
12 VCC1B
C31
11
1µF
OUT1B
10
OUT1B
13 GND1B
7 V_CC2A
C32
1µF
8
OUT2A
9
OUT2A
6 GND2A
4 VCC2B
C33
3
1µF
OUT2B
2
OUT2B
5 GND2B
L18 22µH
C20
100nF
C52
330pF R98
6
R63 R100
20
6
C21
100nF
L19 22µH
C99
100nF
C23
470nF
C101
100nF
L113 22µH
C110
100nF
C109
330pF R103
6
R104 _R102
20
6
C111
100nF
L112 22µH
C107
100nF
C108
470nF
C106
100nF
D00AU1148B
+V_CC
C55
1000µF
68ΩΩ
86 ΩΩ
Figure 8 below shows a single-BLT configuration capable of giving 400 W into a 3-Ω load at
10% THD with V_CC = 52 V. This result was obtained using the STA30X+STA50X demo
board. Note that a PWM modulator as driver is required.
Figure 8. Typical single-BTL configuration for 400 W
+3.3V
VL
23
100nF
GND-Clean
19
10K 100nF
X7R
GND-Reg
20
V_DD
21
V_DD
22
CONFIG
24
TH_WAR
TH_WAR
28
nPWRDN
PWRDN
25
10K
FAULT
27
100nF
IN1A
IN1B
26
TRI-STATE
IN1A
29
IN1B
30
IN2A
31
IN2B
32
100nF
X7R
V_SS
33
V_SS
34
V_CCSIGN
35
100nF
X7R
Add.
V_CCSIGN
36
GNDSUB
1
18 N.C.
17
OUT1A
16
OUT1A
11
OUT1B
10
OUT1B
OUT2A
9
OUT2A
8
OUT2B
3
OUT2B
2
V_CC1A
15
V_CC1B
12
V_CC2A
7
V_CC2B
4
GND1A
14
GND1B
13
GND2A
6
GND2B
5
12µH
100nF
FILM
22Ω
1/2W
6.2
1/2W
6.2
330pF 1/2W
12µH
100nF
X7R
680nF
FILM
100nF
X7R
100nF
FILM
4³â„¦^Ω
+V3C6VC
1µF
2200µF
X7R
63V
+V3_C6V_C
1µF
X7R
D04AU1545
12/17
Doc ID 13183 Rev 4