User's Manual

B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 7 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
3 General Application Schematic
PIO4
C39
100nF
D5
BZT52C6V8T
PIO2
PIO1
WAKE
PIO11
UART_TX
UART_RX
PIO3
PIO16
PIO15
PIO14
PIO7
PIO6
WP/PIO18 SCL SDA
PIO17
PIO12 VCCIO PIO5 LED1 LED0
VREGOUT_HV
BAT_IN
VCHG_IN
LINE_IN_L
MIC2_P
MIC2_N
MIC1_N
MIC1_P
MIC_BIAS
SPK_RP
LRVCM
VREGOUT_MV
SPK_LP
LINE_IN_R
RESET
U3
AB1510_Module with antenna
VCHG_IN
28
BAT_IN
29
LINE_IN_R
38
SPK_LP
39
LRVCM
40
MIC_BIAS
32
MIC1_P
33
MIC2_P
36
LINE_IN_L
37
WAKE
3
VREGOUT_MV
25
UART_TX
8
UART_RX
7
LED0
20
LED1
21
PIO17
15
PIO16
14
PIO15
13
PIO14
12
PIO12
24
VCCIO
23
PIO11
9
PIO7
11
PIO6
10
PIO5
22
VREGOUT_HV
30
PIO3
6
PIO2
5
PIO1
4
NC
1
RST
26
PIO4
31
MIC2_N
35
MIC1_N
34
SDA
17
SCL
18
GND
2
GND
16
GND
27
SPK_RP
41
WP/PIO18
19
GND
42
R16
180 Ohm
R18
4.7 KOhm
C38
100nF
MIC1_N
、 、 、 C152 C154 C155
L7 & L8 are reserved for removing potential GSM TDD noise.
MIC1_P
C37
4.7uF(0603)
R12
2.2k Ohm
R11
2.2k Ohm
M+
1
C18
22nF
C19
22nF
M-
1
MIC_BIAS
、 C35 C36 are reserved for removing potential GSM TDD noise.
Microphone
L7 0 Ohm
L8
0 Ohm
C154
NC
C155
NC
C152
NC
R131 3K
R133 3K
L9
120 nH
L10
120 nH
SPK_LP
C36
NC
C35
NC
SPK_RP
BT Speaker
AMP_IN_LP
AMP_IN_RP
R177
43K ohm /1%
PIO4
BAT_IN
Q6
MMBT3904
1
32
+
C156
470uF
+
C157
470uF
R19
4.7 KOhm
C11
0.22uF/X5R/X7R
C13
0.1uF
C14
0.1uF
R176
43K ohm/1%
C9
1uF
C12
0.22uF/X5R/X7R
BAT_IN
AMP_OUT_RP
AMP_OUT_LN
AMP_IN_LP
AMP_IN_RP
AMP_OUT_RN
Audio AMP
BAT_IN
U1
NS4248_SOP16
SD
1
GND
2
VoLP
3
VDD
4
VoLN
5
INLN
6
GND
7
NC
8
HP-IN
16
GND
15
VoRP
14
VDD
13
VoRN
12
INRN
11
NC
9
Bypass
10
SD
SD AMP_OUT_LP
Note:
The function of Q6 is for avoiding the leakage current from audio Amp.(NS4248) .