User's Manual

Pa ge:24
Number of layers of the board 6 Plate thickness 1.6mm+/-10%
Solder mask color Blue/Green Character color white
Solder mask coverage Via cover oil Pad plating Lead-free OSP
Flying probe test Test all Copper thickness 1 oz
Table
15 PCB overlay information
layer description typical
TOP
Signal Layer
（
L1
）
1.6
FR-4 3.8
GND02 GND Layer 1.5
FR-4 8
ART03
pwr Layer
（
SIG3
）
1.5
FR-4 30
VCC04
Signal Layer
（
SIG4
）
1.5
FR-4 8
GND05 GND Layer 1.5
FR-4 3.8
BOTTOM
Singal Layer
（
L6
）
1.6
Table
16 Impedance Control Table
layer Single-ended impedance (10± 10%) Differential impedance (10±10%)
50ohm 50ohm 90ohm 100ohm
TOP 4 18mil (refer to
layer 3).
5.0/6/5.0 4/4/4
GND02
ART03 4 5.0/6/5.0 4/4/4
BOTTOM 4 5.0/6/5.0 4/4/4
6.2 PCB Design Rules
6.2.1 Net Class
PCBs are mainly divided into the following categories:
1. Power class
2. Logical classes
6.2.2 Clearance and Creepage
Primary distance information between classes:
1. Between 12V and 12V: 20mil
2. 12V with logic class:20mil