Microchip Technology EVB-USB4715, Руководство пользователя

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Schematics

2017
Microchip Technology Inc.
D
S
5
0002679A-p
age 26
FIGURE A-6: EVB-USB4715 SCHEMATIC (PAGE 6)
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Page Title:
Project Name:
Voltage Regulators
Gadir EVB-USB4715
PN: UNG_8080
Description:
Date: Size: Sheet of Rev
B 6 7 B 7/7/2017
Designer:
J. Hunt
EVB-USB4715 Evaluation Board for USB4715 QFN-48
Designed with
Microchip Technology, Inc.
USB/Network Group - UNG
www.Microchip.com
Altium.com
Fiducials
Mounting Holes
TERM_BLOCK_2P
2
1
J12
12V L5V
20R
R102
2
3 1
SW2
CK_1101M2S3CQE2
12V
5.25V @ 10A
5V
51k
R106
140k
R101
12VDC to 5VDC
0.1uF
C61
0.1uF
C59
0.1uF
C60
1.8k
1%
R110
0.1uF
C51
L5V
FB5V
PVDD
0.1uF
C63
MBR0530T1G
D16
MIC24055
FB
24
EN
26
PVIN
13
FB
EN
PVIN
PGND
5
SW
9
VIN
27
PVIN
14
PVIN
15
PVIN
16
PVIN
17
PVIN
18
PVIN
19
PGND
6
PGND
7
PGND
8
PGND
21
PGND
2
VDD
28
CS
22
SGND
23
SW
10
SW
11
SW
12
SW
4
BST
20
PVDD
1
NC
3
PG
25
PGND_ePAD
31
SW_ePAD
30
PVIN_ePAD
29
U7
100uF
C54
100uF
C55
100uF
C56
Change Rfb to change voltage
1.8k = 5.25V
1.9k = 5V
1.7k = 5.5V
Rfb = 8000/(Vout - 0.8)
10000pF
DNP
C57
4700pF
C58
2.2uF
C62
2.2uF
C65
Voltage Regulators
10k
R113
5V 3V3
1k
R112
Br Grn
D17
"3V3"
3V3 @ 500mA
Orange
TP12
10uF
C66
12k
R115
FB3V3
10uF
C67
MCP1825-ADJ
GND (TAB)
6
VIN
2
VOUT
4
GND
3
SHDN
1
ADJ
5
U8
5VDC to 3.3VDC
EXT_12V
EXT_12V PVDD
12VDC ON OFF
3V3
TP21
Black
TP19
Black
TP20
Black
TP18
Red
5V
GND
GND
GND
12V L5V
EXT_12V _ PVDD
i
Power
3V3 5V
47uF
C49
10uF
C50
0.1uF
DNP
C68
0.1uF
C53
MMBD914
D15
HDR-2.54 Male 1x1
1
J24
HDR-2.54 Male 1x1
1
J23
10k
1%
R105
10k
R111
PVDD
1k
R163
22R
R103
1.21R
R107
1.21R
R109
29.4k
DNP
R108
86.6k
R114
1uF
C64
1.5uH
L1
Rfb
1
2
3
2.5 mm
12V (typ)
J11
12V DC Barrel Jack
MH1
FID1 FID2 FID3
FID4 FID5 FID6
MH2 MH3 MH4
DNP
MMBD914
D19
5V_EN