双电池切换电路

双电池切换电路VBAT D1 D101 LED/3MM VCHARGER_IN 1 D2 AUX_VBAT 1 D3 MAIN_VBAT 1 2 C2 0.1uF C11 10uF 2 LP 1 2 2

J6 1 2

R111

2 300

SIP2-1.75

FDMA1023P MAIN_VBAT Q2 Q2-B

2

R101

2

Charger Pmos
MAIN_BAT

22K

+

+ 1

C8 220uF

G1 ADC1 FDMA1023P

-

2

1

R103

2

1

11K

C6 0.1uF Q4-A VDD R17 10K 2 TO_BB D BB_LOCK Q4-B LP

1

VCHARGER_IN MAIN_VBAT J5 1 1 2 2 rb520zs-30 1 D4 R3 2 2 1 2 NC 2 SGM809T 3 2 VCC RESET 1 GND U2 SGM3167YC U1 2 1 rb520zs-30 G R4 NC S 1 R18 10K 1 2 3 NO GND NC IN V+ COM 6 5 1

1

1 C7 0.1uF

TO BATSENSE
VBAT

Q5 2N7002LT1 2 NO1 V+ 3 5 NC1 COM1 IN1 10 7 NO2 NC2 8 IN2 U6 4 1 R21 10R R22 10R 2 G1 1 SW_CON R15 0R 4 1 1 R16 10K 2 2

D6

SIP2-1.75-7.5MM

D8

LP

GND

+ 1
C5 100uF 2

COM2

9

1

2

G2

6 C3 0.1uF

SGM3005

D5

2 LED/3MM

C9 10uF

2

AUX_VBAT 300 U4 BAT 3 FDMA1023P NC G