EVB-USB3503 CSP Evaluation Board Schematic, PDF

5
4
3
2
1
USB Connectors
2
USB3503 25-pin WLCSP Evaluation Board
J4
1
J5
TP2
2
5V
OSC
3.3V VBAT (200mA)
1
DNP
D
1
R5 DNP
L1
1
2
R4
10k
3
F-BEAD
3
ZERO
2
IN
GND
FB
ENA
BYP
R40
6
OUT
ZERO
ZERO
5
C2
18pF
R2
51.0k
ZERO
C1
4.7uF
J2
1
4
2
3
C4
0.01uF
R3
30.1k
TP3
TP1
P4
1
2
3
4
5
6
7
8
9
VBUS
STROBE
DATA
R1
TPS79301
C3
0.1uF
Power_Jack
R39
Orange
U1
J6
USB mini AB SMD
VBAT
VBUS
DD+
ID
GND
SHIELD1
SHIELD2
SHIELD3
SHIELD4
D
TP6
J3
VDD_PU
Orange
Black
1
Black
P5
1
2
3
4
5
R35 DNP
VBUS
U2
1
ZERO
2
R10
10k
3
R38
1k
IN
OUT
GND
FB
ENA
BYP
6
5
C7
18pF
ZERO
C5
4.7uF
R33
C16
4.7uF
I2C_ASEL0
4
6
7 SHLD1
8 SHLD2
9 SHLD3
10 SHLD4
11 SHLD5
SHLD6
C17
0.1uF USB MICRO-AB
R9 DNP
VDD33_BYP
TPS79301
C8
0.1uF
R6
14.3k
2
3
R8
1.8V VCC_CORE (200mA)
C10
0.01uF
VBAT
ZERO DNP
ZERO
R7
30.1k
R24
10k
1
OSC
U4
OUT
5V
C11
0.1uF
R12
2
R17
1k
26.0 MHz
3.3V
J1
2
4
6
8
10
GND
4
1
3
5
7
9
R23
10k
DNP
3
7
C14 6
0.1uF
ZERO
FLAGA
FLAGB
1
2
3
4
2
3
+
IN
GND
B3
REFCLK
SCL
SDA
R19
10k
DNP
R18
10k
DNP
R21
10k
R15
10k
R14
10k
1
2
3
4
3
E3
P2
I2C_ASEL1
DATA
STROBE
E2
E1
1
2
3
4
ZERO DNP
I2C_ASEL0
MOM-ON
A5
2
SW3
B5
3
1
C5
2
USBDN1_DP
USBDN1_DM
U3
RESET_N
USBDN2_DP
USBDN2_DM
VDD33
HUB_CONNECT
USBDN3_DP
USBDN3_DM
A1
B1
DN1_DP
DN1_DM
C2
D2
DN2_DP
DN2_DM
C1
D1
DN3_DP
DN3_DM
+
1
2
3
4
INT_N
TP5
+
REF_SEL0
REF_SEL1
RBIAS
VDD33_BYP
C4
B4
VBAT
R30
10k
DNP
R16
10k
R13
10k
VDD33_BYP
D3
C19
1.0uF
4
LED1
Green
C12
4.7µF
C3
SHLD1
SHLD2
3930 East Ray Road
Suite 200
Phoenix, Arizona 85044
480-759-0200
USB3803_25WLCSP
1
4
VCC
DD+
GND
A
2
330
MTH1
MTH2
MTH4
MTH3
Title
PCB7238: USB3503 Evaluation Board
SCHMITT TRIG
MH
1
MH
1
MH
1
3
B
USB-A
MH
1
Size
B
Date:
5
C13
120uF 5
6.3V 6
R36
12.0k
R37
3
R27
10k
1
R28
10k
A2
2
R29
10k
A4
PORT_PWR
OCS_N
VSS
5
U5
A
VDD12_BYP
SHLD1
SHLD2
P3
TP4
I2C_ASEL0
I2C_ASEL1
C9
120uF 5
6.3V 6
VCC
DD+
GND
USB-A
1
E4
D4
SHLD1
SHLD2
USB-A
R32
SW1
SW2
VCC
DD+
GND
R31
ZERO DNP
R20
10k
DNP
C15
120uF 5
6.3V 6
MIC2026-1B
E5
D5
B
C18
0.1uF
8
5
R/ANGLE USB A CON
R22
1k
VCC
A3
Digital Control
R26
10k
EN
OUTA
OUTB
B2
1
C6
0.1uF 10k
ENA
ENB
R/ANGLE USB A CON
Y1
VBAT
R11
1
4
VBAT
VDD_CORE_REG
2
VDD_CORE
R34
10k
P1
ZERO
VDD_PU
VDD_PU
C
R25
LED2
GREEN
R/ANGLE USB A CON
C
DNP
VBUS
DD+
ID
GND
2
Document Number
SCH-7238AZ-A12
Thursday, July 28, 2011
Rev
A
Sheet
1
1
of
1