U4

U3

J1

D1

CC1

CHG_LED

BAT_ADC

SCL

BUTTON_4

USB_N

CS

BUTTON_3

CC2

BOOT

BAT_ADC

USB_N

SDA

CHG_LED

SDA

BUTTON_4

USB_P

SCL

BUTTON_2

RST

CC2

CS

DC

SDA

SCL

DC

BOOT

SCL

SDA

EN_RST

BUTTON_1

BUTTON_3

USB_P

RST

EN_RST

USB_N

CC1

BUTTON_1

BUTTON_2

USB_P

SW3

C8

Capacitance

1uF

SW4

C5

Capacitance

0.1uF

SW6

C4

Capacitance

0.1uF

C3

Capacitance

10uF

SW2

R3

Resistance

5.1kΩ

C1

Capacitance

10uF

C9

Capacitance

1uF

R2

Resistance

5.1kΩ

C7

Capacitance

1uF

C2

Capacitance

0.1uF

C6

Capacitance

1uF

SW1

SW5

U2

R1

Resistance

10KΩ

CN1 A-A

R4

Resistance

2KΩ

R6

Resistance

20KΩ

J2

R7

Resistance

220 Ω

R5

Resistance

20KΩ

CN2 A-B

5V

3V3

5V

3V3

VBAT

LED1

3V3

U1

3V3

VBUS

VBAT

3V3

5V

3V3

VBAT