8
3.2.2 MSH6110A DC-DC brief introduction
Pin NO.
Pin Name
I/O
Function
1
EN
I
Enable control Input
2
FB
I
Feedback Voltage Input
3
VRGE5
O
5V Regulator Output
（
cann’t provide external
current sinke
）
4
SDA
I
I2C
5
SCL
I
I2C
6
SW
O
Switch Node of Buck Convert
7
BSR
O
Supply of High Side MOSFET Driver Circuit
8
PVDD
I
Power Supply
9
EPAD
Ground
（
Back Side
）
3.2.3 SY8089AAAC Brief introduction
Pin NO.
Pin Name
I/O
Function
1
EN
I
Enable control.Pull hight to turn on. Do not
float
2
GND
Ground
（
Back Side
）
3
SW
O
Inductor Pin
4
IN
I
Power Supply
5
FB
O
Feedback Voltage Output
3.2.4
TPS562201
Brief introduction
