Orange
D6
INTB
470
R69
GND
100k
R78
VDD5V
12V_IN_B4JUMP
Green
2
1
D1
GND
VDD_EXT
Green
2
1
D2
GND
VBUS
Green
2
1
D3
220
R72
GND
VDD33
Green
2
1
D5
GND
VDD5V
Green
2
1
D4
220
R73
GND
2.4k
R70
2.4k
R75
2.4k
R71
2.4k
R76
180
R74
180
R77
PRJ_Number
PCB_Rev
PCB Number:
PCB Rev:
Board Silkscreen Label: "Not for EMI Testing"
LOGO
PCB
Texas Instruments
LOGO
PCB
FCC disclaimer
1
2
3
Q1
BSS138
Assembly Note
ZZ1
Place H1 over X1
GND
M1
GND
4700pF
C8
M2
GND
4700pF
C9
M3
GND
4700pF
C10
M4
GND
4700pF
C11
M5
GND
4700pF
C12
M6
GND
4700pF
C13
Label Assembly Note
ZZ2
This Assembly Note is for PCB labels only
Label Assembly Note
ZZ3
These assemblies are ESD sensitive, ESD precautions shall be observed
Label Assembly Note
ZZ4
These assemblies must be clean and free from flux and all contaminants. Use of no clean flux is not acceptable
Label Assembly Note
ZZ5
These assemblies must comply with workmanship standards IPC-A-610 Class 2., unless otherwise speci
fi
ed
LOGO
PCB
PCB Label
LBL?
Size: 1.25" x 0.25"
1
H1
BMI-S-201-F
Label Table
Variant
Label Text
001
DS90UB921-Q1EVM
Copyright © 2016, Texas Instruments Incorporated
Appendix A
43
SNLU205 – March 2016
Copyright © 2016, Texas Instruments Incorporated
EVM PCB Schematics
