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BES2300ZP&ZP2_Reference_Design_v0.16参考原理
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更新于2023-03-03
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BES2300ZP原理图参考设计,适合TWS耳机开发人员作参考。ANC降噪原理图
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0.16
2019.01
SCH_2300ZP
BES technic
BES2300 Referen Design
SCALE:
SHEET: OF
REVISION RECORD
DATE:
APPROVED:
LTR
ECO NO:
6
5
4
3
2
1
DRAWING NO:
D
C
B
A
TITLE:
COMPANY:
RELEASED:
DATED:
DATED:
QUALITY CONTROL:
CHECKED:
DATED:
DATED:
DRAWN:
D
C
B
A
CODE:
SIZE:
REV:
2
2
D
TYPE C USB
Download And BAT PAD
MIC MODE 1 : MEMS MIC MODE
KEY
Talk MIC
BES2300ZP
RCV
ANC KEY
ANC MIC - ECM
MIC1 For Left FF
MIC2 For Right FF
ANC MIC - MEMS
MIC1 For Left FF
MIC3 For Left FB
Charger
Star Connect to Battery
MIC1~2 ALL for High Performance ANC
BT Antenna Matching
Note:
1. Crystal Layout is importance for ESD performance
1. 21 GPIOs can be configrated by FW for multi-function
3. Typically, Vana =1.3V, VIO=2.6V, Vcodec=1.7 Vcore=0.75V
4. FW Code is downloaded by UART Port
Note:
Note:
Pin UART_TX/RX can be instead of USB_DP/DM to connect with USB port for finished product download
Download port
Note:
1. FBs and Caps for TDD noise suppression
2. Left channel is default used by FWS application
Note:
1. GPIOs is not high impendance Except Pin LED1/LED2
Note:
2. VCHGER and CHG_DONE_INFO for 2300 to detect charging status
1. External Battery Charger IC is required
ANC MIC
2. GPIOs reference Voltage is Vmem=1.7V except GPIO16/17(PIN M8/M9)
2. PIN M8/M9 is Only Pins can drive LEDs driectlly
Reset is High active by USB Power plug in
Note:
Note:
1. C28/C29 is no load if USB mode is disable
2. Recommend Load Capacitance(CL) of Xtal <= 7pF
to gain enough tuning margin
Note:
1, VAD mic should be powered by Vmic3 and Channel MIC5
Low Power Consumption Mic for VAD :
TDK ICS40212
Knowles SPV1840LR5H-B
BAT+
BAT-
RX
TX
R15
1K
C20
0.1uF
C25
0.1uF
C26
4.7uF
MIC3+
MIC3-
MIC_VCC
S2
VOL+
S1
S3
VOL-
R16
10k
R17
20k
1
2
E6
A1
GND
A2
TX1+
A3
TX1-
A4
VBUS
A5
CC1
A6
D+
A7
D-
A8
SBU1
A9
VBUS
A10
RX2-
A11
RX2+
A12
GND
B12
GND
B11
RX1+
B10
RX1-
B9
VBUS
B8
SBU2
B7
D-
B6
D+
B5
CC2
B4
VBUS
B3
TX2-
B2
TX2+
B1
GND
4
3
2
1
J37
USB_TYPE_C
R5
5.1k
1
2
E2
C37
56pF
1
2
E17
1
2
E19
1
2
E20
T9
T10
C2
100pF
L3
1K@100M
L5
1K@100M
C3
100pF
1
2
E23
1
2
E24
R40
1K
SW
2
C
1
1
3
2
U4
SW_SD2T
R26
1K
C32
10uF
C33
10uF
C34
4.7uF
R27
2K
R28
2K
MIC+1
MIC-1
1
2
E27
C41
10nF
1
2
E28
C42
10nF
R33
1K
C48
10uF
C49
10uF
C50
4.7uF
R34
2K
R35
2K
MIC+3
MIC-3
1
2
E31
C51
10nF
1
2
E32
C52
10nF
R39
1K
C60
10uF
C61
10uF
C63
4.7uF
MIC1+
MIC1-
MIC_VCC1
1
2
E35
C64
56pF
R42
1K
C69
10uF
C70
10uF
C71
4.7uF
MIC2
MIC2-
MIC_VCC3
1
2
E37
C72
56pF
B9
VCHG_R
C10
VBAT
C9
VBAT_SENSE
G10
LX1
H10
VCORE
E10
LX2
J10
VANA_BUCK
J9
VANA
D10
LX3
A10
VCODEC_HPPA
B10
VMEM
A5
VCODEC
F1
VCM_CAP
B3
VMIC3
B4
VMIC2
A3
GPIO_23
A4
GPIO_22
K10
VIO
L9
VUSB
L8
VUSB_CAP
D2
GPIO_10
E2
GPIO_11
F2
GPIO_12
G2
GPIO_13
G1
GPIO_14
L7
GPIO_15
E9
GPIO_20
F9
GPIO_21
M7
GPIO_27
M6
NC
M5
NC
M4
GPIO_25
L4
GND
M3
BT_RF
F6
REFN_L
A6
LOUT_LP
A7
LOUT_LN
E6
REFN_R
A9
LOUT_RP
A8
LOUT_RN
K2
GPIO_03
J1
GPIO_02
J2
GPIO_01
H2
GPIO_00
M2
GND
L2
GND
H5
GND
G5
GND
F5
GND
E5
GND
F10
PGND
M8
UART0_RX/P16
M9
UART0_TX/P17
L10
USB_DN
M10
USB_DP
B5
ADC0
B6
ADC1/LED2
D9
LED1
B8
POWKEY
B7
RESET
H6
AVSS_REFN
G6
AVSS_GMC
H9
MIC5_N
G9
MIC5_P
B2
GPIO_05
C2
GPIO_06
D1
NC
E1
NC
C1
MIC2_N
B1
MIC2_P
A2
MIC1_N
A1
MIC1_P
M1
GND
L1
XTAL_OUT
K1
XTAL_IN
K9
GPIO_26
H1
XTAL_VDD
L6
VANA
L5
NC
L3
VPA_BT
U2
BES2300ZP/ZP2_BGA_80BALL
C1
10uF
C19
1uF
R14
47K
L4
4.7 uH
C4
10uF
L1
4.7 uH
C5
10uF
L2
4.7 uH
C7
10uF
C10
4.7uF
C11
4.7uF
C12
0.1uF
C15
1uF
C21
1uF
C22
1uF
C27
1uF
C28
1uF
C29
1uF
C35
1uF
C59
1uF
1
X1
2
GND
3
X2
4
GND
Y2
XTAL
C78
6.8 pF
C79
6.8 pF
C80
1.8 pF
L6
0 ohm
C81
1pF
C82
NC
C89
0.1uF
C90
1uF
D7
LED_RED
R9
1k ohm
D8
LED_BLUE
R10
100R
D1
CHG_IN
E1
CHG_CAP
E2
VBAT
A3
VBAT_SENSE
B2
RESET
C3
INTERRUPT
A1
I2C_DAT
B1
I2C_CLK
B3
CHGB
D3
MUX_ADC
A2
NC
C1
TS
E3
VSYS
D2
GND
C2
GND
U5
BES161
C9
10uF
1
2
E39
C14
1uF
C30
10uF
R18
10K
R19
10K
R44
0 ohm
NTC
R29
1 K
L7
1.2 nH
T3
T4
C144
100pF
L32
1K@100M
L31
1K@100M
C143
100pF
1
2
E21
1
2
E22
C44
1uF
ANT1
1
OUTPUT
2
GND
5
VDD
4
GND
3
GND
U3
ICS40212
C6
100nF
1
IN
2
GND
3
GND
4
OUT
5
GND
U12
FILTER_SAFFB2G45MA0F0A
BAT
UART0_RX
UART0_TX
GND
V_MIC3
MIC5_P
MIC5_N
GND
GND
PWRKEY
VOL+
VOL-
VSYS
GND
GND
VCHGER
USB_DP
USB_DM
LOUT_LP
LOUT_LN
VBUCK_1.7V
ANC_ON/OFF
GND
GND
GND
V_MIC2
MIC1_P
MIC1_N
GND
GND
V_MIC2
MIC2_P
MIC2_N
GND
V_MIC2
MIC1_P
MIC1_N
GND
GND
GND
V_MIC2
MIC3_P
MIC3_N
GND
GND
VCHGER
VSYS
VIO
V_MIC3
V_MIC2
VBUCK_1.7V
VBUCK_1.7V
VBUCK_1.3V
VBUCK_1.3V
GND
GND
GND
GND
MIC5_N
MIC5_P
INT_TO_MCU
CHG_DONE_INFO
MIC2_N
MIC2_P
MIC1_N
MIC1_P
LOUT_LN
LOUT_LP
GND
GND
UART0_TX
UART0_RX
USB_DP
USB_DM
RED_LED_N
BLUE_LED_N
PWRKEY
RESET
CHG_I2C_CLK
CHG_I2C_DAT
VOL-
VOL-
ANC_ON/OFF
RED_LED_N
VSYS
VCHGER
BAT
INT_TO_MCU
CHG_I2C_DAT
CHG_I2C_CLK
VBUCK_1.7V
CHG_CAP
BATTERY_NTC
CHG_DONE_INFO
BLUE_LED_N
VSYS
BATTERY_NTC
LOUT_RP
LOUT_RN
LOUT_RP
LOUT_RN
MIC_OUT
MIC_VCC
MIC_VCC
MIC_OUT
VSYS
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