Emi Components; Figure 63: Steval-Isb044V1 Evaluation Board: Emi Components (1 Of 2); Figure 64: Steval-Isb044V1 Evaluation Board: Emi Components (2 Of 2) - ST STEVAL-ISB044V1 User Manual

Board assembly and layout
8.2

EMI components

Ceramic capacitors (C100, C101, C103, C112, C114 and C100) for EMI and filters must be
placed close to the supply input and L101.
52/57

Figure 63: STEVAL-ISB044V1 evaluation board: EMI components (1 of 2)

R214 and C216
very close to D201
R214 C216
0R
470pF
D201
STPS8L30DEE
R202
1K
R214 - C216

Figure 64: STEVAL-ISB044V1 evaluation board: EMI components (2 of 2)

USB_VCC_QC
12 V DC
1
TP100
WIRE_SOLDER
PJ-002A
1
3
2
J100
1
TP101
WIRE_SOLDER
DocID031141 Rev 1
C207
C203
C206
C202
10 µF
10 µF
5.6NF
100NF
C202
J101
2
C100 C112 C101
D100
10 µF
NP 100NF
SMM4F13A
TP200
C202 and C206
near C205 VDCDC
VDCDC
and C205 GND
C205
C208 +
C204
100 µF
22 µF
22 µF
C206
L101
2.2 µH
C114 C102 C103
10 µF
NP NP
UM2301