Schematics; Figure 6. Microcontroller Power - STMicroelectronics SPC58XCADPT176S User Manual

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Schematics

1.25V_SR 3.3V_SR
J5
1
2
3
4
AST0250404
GND
GND Test points
GT1 GT2 GT3 GT4 GT5
GND
Figure 6. Microcontroller power
VDD_HV_ADR
5.0V_SR
VDD_HV_ADV
VDD_HV_IO_JTAG
VDD_HV_IO_MAIN
C14 C16 C17
4.7uF 100nF 10nF
X7R X7R X7R
50V 50V 50V
1206 0603 0603
GND
U1A
SPC58NE84_176ELQFP
SPC58xxADPT176S eLQFP176
POWER PINS
AGND VSS_OSC
TP1 TP2
R1 R2
0R 0R
VSS_OSC AGND
separate ground for OSC & AGND
GND GND
For layout: Check layout consideration
document for ground connection of
VSS_HV_ADR/V pins
C1 C2 C3 C4
100nF 10nF 100nF 10nF
X7R X7R X7R 50V
50V 50V 50V 0603
0603 0603 0603 X7R
AGND AGND
C5 C6 C121
100nF 10nF 2.2uF
X7R X7R X7R
50V 50V 16V
0603 0603 0805
AGND
C7 C8
100nF 10nF
X7R X7R
50V 50V
0603 0603
VSS_OSC
C15 C18 C19 C100 C20 C21 C101 C22 C23 C102 C103
4.7uF 100nF 10nF 4.7uF 100nF 10nF 4.7uF 100nF 10nF 4.7uF 100nF
X7R X7R X7R X7R X7R X7R X7R X7R X7R X7R X7R
50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V
1206 0603 0603 1206 0603 0603 1206 0603 0603 1206 0603
GND GND GND
VDD_HV_IO_FLEX
C24
VDD_HV_FLA
100nF
VDD_HV_IO_MAIN
X7R
C28 C29 50V
1uF 10nF 0603
X7R X7R
25V 50V
0603 0603 DNP
GND
VDD_LV
C38 C39 C40 C41 C42
47nF 10nF 2.2uF 47nF 10nF
X7R X7R X5R X7R X7R
50V 50V 16V 50V 50V
GND
J46
PM[0..15] (pg6)
STRIP 2mm
1 PM15
153 2
BCTRL / PM[15]
1-2: PM15
3 2-3: BCTRL (DEFAULT)
J39
STRIP 2mm
1
2
3
GND R15
0R C123 C124
DNP DNP
Q1 GND GND
B NJD2873
D-PAK
SMPS_REGULATOR_OUT
C125 thermal plane,
R16 2.2uF power 2W/3W J40
DNP X7R STRIP 2mm
GND
C126 C127 C128
DNP 2.2uF DNP
VDD_LV
X7R
GND GND
5.0V_LR 3.3V_SR 5.0V_SR
J1
1
2
3
STRIP 2mm
J2
1
2
3
STRIP 2mm
VDD_HV_IO_JTAG
J3
1
2
3
STRIP 2mm
VDD_HV_IO_MAIN J6
1
2
C104 3
10nF
X7R STRIP 2mm
50V
0603
VDD_HV_IO_FLEX J7
GND 1
2
C25 3
10nF
X7R STRIP 2mm
50V
0603
GND
C43 C44 C45 C46 C47 C48 C49
2.2uF 47nF 10nF 2.2uF 47nF 10nF 2.2uF
X5R X7R X7R X5R X7R X7R X5R
16V 50V 50V 16V 50V 50V 16V
GND GND GND
VDD_HV_IO_MAIN
5.0V_SR
1.25V_SR