Freescale Semiconductor MPC5748G EVB, Руководство пользователя

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Capacitor Types:
470pF - Ceramic COG, 50v 5% 0402
1000pF - Ceramic COG, 50V 5% 0402
4700pF - Ceramic X7R, 50V 10% 0402
0.01uF - Ceramic X7R, 50V 10% 0402
0.1uF - Ceramic X7R, 16V 10% 0402
0.68uF - Ceramic X7R 16V 10% 0805 (Murata GCM219R71C684KA37 )
1.0uF - Ceraminc X7R, 10V 10% 0603 (Taiyo Yuden LMK107B7105KA-T)
2.2uF - Ceraminc X7R, 10V, 10%, 0603 (Taiyo Yuden LMK107B7225KA-TR)
4.7uF - TANT, 12.5V 20% ESR=0.08R 7343
10uF - TANT, 35V 10% ESR=0.125R CC7343-31
4.7uF Alternative (150-78844)- Polymer ALU, 16V 20% ESR=0.08R
7343-18
Place small Caps as close as possible to MCU pins
ADC
Place small caps close to each MCU pin
VDD_HVA VDD_HVB
VDD_LV
VDD_LV (1.25V) Decoupling. Place -.1uF
caps as close as possible to respective
VDD_LV pins
Ballast Transistor
Flash
MPC5746C MCU Decoupling and bulk storage
LP Internal Reg Cap
Place close
to transistor
Place one 0.68uF cap footprint
each side of package
(low ESR)
(low
ESR) (low
ESR)
(Murata GCM219R71C684KA37)
(low
ESR) (low
ESR) (low
ESR)
(low
ESR) (low ESR)
2.2uF caps are
DNP. Place close
to emitter
One of these is DNP to keep overall capacitance less
than max spec of 3uF. If necessary, these can be
replaced with 0.47uF caps as long as combined ESR of all
caps is less than 0.03 Ohms
ADC0_CAP
ADC0_GND
ADC1REF_CAP
ADC1_GND
ADC1_CAP
ADC1_GND
GND
HVA_CAP
GND
HVB_CAP
LV_CAP
GND
HVFLA_CAP
GND
LV_CAP B_CAP E_CAP
GND
LVDEC_CAP
GND
E_CAP
GND
Drawing Title:
Size Document Number Rev
Date: Sheet of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-28701 PDF: SPF-28701 A1
MPC5746C 100 BGA Daughter Card
B
Tuesday, August 18, 2015
MPC5746C MCU Decoupling
3 8
Freescale General Business Use
Drawing Title:
Size Document Number Rev
Date: Sheet of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-28701 PDF: SPF-28701 A1
MPC5746C 100 BGA Daughter Card
B
Tuesday, August 18, 2015
MPC5746C MCU Decoupling
3 8
Freescale General Business Use
Drawing Title:
Size Document Number Rev
Date: Sheet of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-28701 PDF: SPF-28701 A1
MPC5746C 100 BGA Daughter Card
B
Tuesday, August 18, 2015
MPC5746C MCU Decoupling
3 8
Freescale General Business Use
C52
0.1UF
C10
2.2UF
DNP
C48
1000pF
C54
1000pF
C57
1.0 UF
C23
0.1UF
C55
0.1UF
C20
0.68uF
DNP
C56
0.1UF
+
C1
10UF
C53
0.1UF
C59
1.0 UF
C39
0.1UF
C8 4700pF
C36
1000pF
+
C4
10UF
DNP
C46
1000pF
C9
2.2UF
DNP
+
C3
10UF
DNP
C35
0.1UF
C22
470pF
+
C2
10UF
DNP
C31
0.68uF
C27
470pF
C47
1000pF
C60
0.68uF
C26
0.1UF
C33
470pF
C32
0.1UF
C24
0.1UF
C34
2.2UF
LMK107B7225KA-T
C49
0.1UF
C29
0.68uF C43
1uF
LMK107B7105KA-T
C58
1.0 UF
C51
1000pF