蓝牙立体声电路 BC358239A 的 已量产

BC358239A 双声道耳机电路GND_OUT FEED_IN

VUSB 2u2 C15

GND

RUFA

ANTENNA

D+ DVBUS ID GND
USB_mini

+1V8 1 3

P3 P2 P1 P4 P5

GND GND TP40 TP38
VIN

U1
CE

R19 27R R20 27R
GND

GND

2

GND

R3
TP39

2R2

VOUT

GND TP24 47n C10

5

TP44

GND

R41
100n C5
L9 L8 F9 K7 B1

C31

4u7

R21 150k R22 220k
GND

C1

2u2

GND

150k
4

VBAT U4
BAT

GND

10n

C16

3 GND
GND

VDD_USB AIO[2] RF_ANT

L10

+1V8

2

RESET

VCCCHRG

USB_D+ USB_D-

GND
PROG

TP1

GND

C4

10n

1

TP33 5

R23
VBAT

10k 56 R24 1k 1% R27
TP32 CHG_B GND MIC-INPUT TP34 R+ R15n L+ LTP29
K2

VDD_RADIO RF_BAL VDD_LO VDD_ANA VDD_PADS VDD_PIO REG_IN

E3 F1 J2 L5 E11 A3 L7

GND

VBAT

C7

GND GND 2u2

4u7

C17 +1V8 C2

SW1
ON

P1
1

1

U2

P2

A1 K1 J1 D2 E2 F3 G1 G2 G3 H3 C9 C6 F10 A2 D9 E10 K10 C5 K4 BAL_MATCH VSS_RF1 VSS_RF2 RF_IN VSS_RADIO1 VSS_RADIO2 VSS_