NXP Semiconductors MPC5748G - Page 22

D
5
4
3
2
1
Calypso MCU Decoupling and bulk storage
ADC
Flash
Capacitor Types:
ADC0_CAP
ADC1_CAP
ADC1REF_CAP
HVFLA_CAP
4700pF
- Ceramic X7R, 50V 10% 0402
0.1uF
- Ceramic X7R, 16V 10%
0402 (Kemet C0402C104K4RAC)
C94
C93
C97
C96
C95
C118
0.68uF
- Ceramic X7R, 16V
10%
0805
(Murata GCM219R71C684KA37)
1uF
0.1UF
1uF
0.1UF
1uF
2.2UF
1uF
- Ceramic X7R, 10V
10%
0603
Low ESR (Taiyo Yuden LMK107B7105KA-T)
2.2uF - Ceramic X7R, 10V
10%
0603
Low ESR (Taiyo Yuden LMK107B7225KA-TR)
GND
GND
GND
GND
D
C
B
A
Place small Caps as close as possible to MCU pins
VDD_HVA
VDD_HVB
HVA_CAP
HVB_CAP
C112
C109
C120
C92
C100
C99
2.2UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
GND
GND
One 0.1uF cap per VDD_HV_x pin. Place as close as possible to pin
VDD_LV
LV_CAP
C110
C111
C27
C108
C116
C98
C113
0.68uF
0.68uF
0.68uF
0.1UF
0.1UF
0.1UF
0.1UF
(low
(low
(low
ESR)
ESR)
ESR)
VDD_LV (1.25V) Decoupling. Place one of the 0.1uF caps close to each VDD_LV
GND
pin. Place the 0.68uF caps on each side of the package such that there is
no cap on the side with the ballast transistor
(For regulator stability the total capacitance should be around 2.2uF).
Ballast Transistor
LP Internal Reg Cap
B_CAP
E_CAP
C_CAP
LVDEC_CAP
C119
C122
C117
4700pF
2.2UF
1uF
GND
GND
Place close to transistor
Automotive Microcontroller
Applications
East Kilbride, Scotland
NXP General Business Use
Drawing Title:
MPC5748G-LCEVB
Page Title:
Calypso MCU Decoupling
Size
Document Number
Rev
B
SCH-27899
PDF: SPF-27899
B
Date:
Friday, February 12, 2016
Sheet 4
of
15
C
B
A
5 4 3 2 1
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