Schematics

FCC ID: SF4-SBT517

Schematics

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FCCID_2282006

6 5 4 3 2 1
REVISION RECORD

LTR ECO NO: APPROVED: DATE:

D D
C36
4u7

C18
0.1u

R8
L3 2K2
0R C19
0.1u
MIC1

C9
33p

X1
C1 BUCK
16MHz
1u
C32
0.1u
- 1 L1
SPK2 C2
R26 10R C6
10uH 10u
L 2 0.1u
+
C R25 10R BAT
3.8V
C

40

39

38
37
36
35
34
33
32
31
C12
R22 10R
0.1u

MIC_P
VCC_XO

VCCDIG
PIO4
MIC_N

LX
XTAL_IN

MIC_BIAS

VREGOUT_HV
XTAL_OUT
C13
4u7
1
SPK1 -
R BAT_P 30 J2
+ 2 1 AU_REF

6
R23 2R2
C17 C16 C14 2
NC NC NC
VCCSPK VCHG 29 1
2
3 28 C26 3
SPK_LP RST
C21 0.1u 4

A1 4 SPK_LN U1 VREGOUT 27 NC 5

ANT RST
5 AB1512 26
SPK_RP VCCIO

7
L2 6.8nH
6 C28
VCCRF PIO5 25 D1
22u
L4 C15 L5 1.5nH
4.7nH
33p BLUE
7 RF_P LED1 24
C23 C27 C24 D2 U2
C22 C25 8 WAKE LED0 23
0.5p NC 1u 24LC128
NC NC RED
9 PIO1 SCL 22 8 VCC 1
A0
7 WP 2
A1
10 21 6 3
B B
PIO2 SDA SCL A2
5 SDA GND 4

11 VCC_VCO

14 UART_RX

15 UART_TX
12 VCC_PLL
BUCK

18 PIO14

19 PIO15

20 PIO16
13 PIO3

16 PIO6

17 PIO7

SDA
SCL
C20
0.1u
R21 10

TRIM

WP
RX

TX
C3 C29
SW1_MFB
0.1u 4u7 SW3_VOL-

SW2_VOL+

A A
ATI ELECTRONICS CO, . LTD 文件编号： ATI-RD-SC-001371-01
方案： AB1512
型号：ＳＨ８０１Ｂ版本 Ver： 1.0
标题：原理图设计：日期：２０１４－５－９
文件名：立体声蓝牙耳机审核：日期：２０１４－５－９
幅面： A4 页码： 1 OF 1 批准：日期：２０１４－５－９

Document Created: 2019-07-09 22:02:33
Document Modified: 2019-07-09 22:02:33

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