EVB-USB5744 Evaluation Board User’s Guide
DS500023
06B-page 1
8
2015 Microchip T
echnolo
gy Inc.
FIGURE B-2:
EVB-USB5744 EVALUATION BOARD SCHEMATIC 2
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
"Port 1 Enabled"
*Note: Pull up both DP and DM on a port to disable it.
Port Disable Strap Option
"Port 2 Enabled"
"Port 3 Enabled"
"Port 4 Enabled"
"Reset"
(*1-2, Port Enabled, 2-3, Port Disabled)
Port 1
Port 2
Port 3
Port 4
5V25 Regulator, <6A
Ext. 12V
*Note: VDD12 should come up before VDD33.
1V2 Regulator, 1A
"3V3 Present"
3V3 Regulator, >200 mA
with PwrGood
Ext_Rst
-RESET-
12V In
Power
Regulation
& Reset
1V2_REG
LED_P
12V_EXT
EN3
LED_P
1V2_REG
5V_REG_1V2
5V_REG_3V3
EN12
3V3
3V3
3V3
3V3
3V3
3V3
VDD12
VDD33
3V3
5V
5V
VDD12
3V3
VDD33
3V3
USBDN_DM1
pg2
USBDN_DP1
pg2
USBDN_DM2
pg2
USBDN_DP2
pg2
USBDN_DP3
pg2
USBDN_DM3
pg2
USBDN_DP4
pg2
USBDN_DM4
pg2
RESETn pg2
Description:
Size:
PN:
Rev.:
Date:
Sheet
of
Project
Page
Microchip Technology, Inc.
USB/Networking Group - UNG
www.Microchip.com
Name:
Content:
EVB-USB5744
A0
Evaluation Board for USB5744-A0, QFN56
B
3
3
Thursday, July 23, 2015
Truffle
Regulators & Configuration
Description:
Size:
PN:
Rev.:
Date:
Sheet
of
Project
Page
Microchip Technology, Inc.
USB/Networking Group - UNG
www.Microchip.com
Name:
Content:
EVB-USB5744
A0
Evaluation Board for USB5744-A0, QFN56
B
3
3
Thursday, July 23, 2015
Truffle
Regulators & Configuration
Description:
Size:
PN:
Rev.:
Date:
Sheet
of
Project
Page
Microchip Technology, Inc.
USB/Networking Group - UNG
www.Microchip.com
Name:
Content:
EVB-USB5744
A0
Evaluation Board for USB5744-A0, QFN56
B
3
3
Thursday, July 23, 2015
Truffle
Regulators & Configuration
R65
100K
FB2
2A/0.05DCR
DNP
D6
RED
DNP
U3
6_Amp
GND
3
VIN
2
ENABLE
1
TRIM
5
VOUT
4
D12
Red
R32
1K
R29
1K
C32
0.1uF
DNP
D10
Br_Grn
C39
10uF
TP10
J11
1
2
C48
1.0nF
TP6
FB4
2A/0.05DCR
J9
2.5 mm
1
2
3
R30
1K
R13
47K
MT2
C37
0.1uF
C49
1.0nF
C27
0.1uF
TP12
R9
ZERO
R59
20
SW2
Slide-Top
ON-ON
2
3
1
4
5
6
D30
MMBD
914
TP14
R63
1K
C47
0.1uF
R33
1.91K
1%
D5
Br_Grn
C45
4.7uF
D7
Br_Grn
SW3
Slide-Top
ON-ON
2
3
1
4
5
6
TP2
C64
1.0nF
R34
29.4K
1%
DNP
U10
74LVC1G14
2
4
5
3
R56
255
1%
FB3
2A/0.05DCR
SW8
1
2
3
4
TP11
D8
Br_Grn
D9
Br_Grn
C63
10uF
MT1
J6
DNP
1
2
FB1
2A/0.05DCR
DNP
R16
150K
1%
U1
3_Amp
GND
3
VIN
2
ENABLE
1
TRIM
5
VOUT
4
C28
10uF
C46
10uF
25V
R31
1K
R28
1K
SW4
Slide-Top
ON-ON
2
3
1
4
5
6
C35
1.0uF
C36
4.7uF
TP15
R15
21.0K
1%
R14
ZERO
R10
ZERO
TP8
U2
MCP1725-ADJ_SOIC8
500mA
GND
4
VIN1
1
VOUT
8
Shdn
3
ADJ
7
Cdelay
6
PWRGD
5
VIN2
2
C66
0.1uF
SW1
Slide-Top
ON-ON
2
3
1
4
5
6
