Schematics

FCC ID: 2ACP4-BTBUD

Schematics

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FCCID_4316637

1 2 3 4 5 6

VDDIO

BT-ANT1 ANTENNA_PIFA A
A LED1
RED

1 2
USBDP R1
U1
C3 10uF VDDIF 1 20
RXTX C4 0R
L1 0R 1K
VDDIF RXTX
C5 NC XON 2 XON EGND 19
Y1 24MHz XOP 3 18
VOUT C6 10uF L2 L3 LED2
XOP VOUT NC BLUE
USBDM 4 USBDM LX 17 1.2pF
USBDP 5 USBDP/P22 BVSS 16L4 10uH
C7 NC MIC 6 MIC VBAT VBAT C8
15 105
C9 105 VDDHP 7 VDDHP VBUS 14
+5V C10 105
DACLN 8 DACLN PWRKEY 13
PWRKEY
DACLP 9 DACLP VDDIO 12
VDDIO C11 105
DACRP10 DACRP DACRN 11
DACRN

CW6626B4 LED
B B
VDDHP

R3
6.8K

CW6626B4 TSSOP20 MIC C15
104
+
MIC1

J3 J4
DACLP 1 DACRP 1
DACLN 2 DACRN 2

VBAT DACL DACR
C C
BT1
MIC DAC
3.3V~4.2V

USB

6 +5V
7 VBUS 1 VBAT VDDIO
D- 2 USBDM
D+ 3 USBDP
ID 4 S8 S10 S14
8 5 V+
GND MFB V-
9

R13 R15 R19
D
D PWRKEY
1K 120K 47K
Project:BT250-CW6626B4 TSSOP20
Drawn by: SCH. NO.:
Checked by: PCB. NO.: Sheet:
POWER KEY Approved by: Date: Size: A4
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Document Created: 2019-06-13 14:38:43
Document Modified: 2019-06-13 14:38:43

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