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Description
Title:
Size
A2
Number
Revision
Date :
File Name:
Sheet of
Design By :
DATEDesignApproval
2012/12/3
0PC12C014A
NKC9 IO PCB(DIDITAL)
DIGITAL.SchDoc
1 2
To MAIN PCB
Staked ribbon cable connector to
be soldered onto this footprint
MOUNTING HOLES
USB
NC
+4VA (GREEN)
-4VA (RED)
MAIN (GREEN)
* Provi de plenty of copper f or heat sinking
*
for case of over voltage adapter
TUSB3200A STREAMING CONTROLLER
INRUSH LIMITING
ANALOG AUDIO RAILS
+3.3V +3V3_MAIN
+4VA
-4VA
+5V+VBUS
SERIAL EEPROM
If we ever convince ourselves we're not comfortable
NOTE
running the TUSB3200A off VBUS then we can
inductorless buck-boost that could regulate to 5V
look at a part like TI's REG71050 which is an
over the entire VBUS range @ 60mA Cost is about
$0.65 in 1k quantities
+VIN
TUSB3200A needs +5V and +3.3V
NOTE
Datasheet specifies that each rail must reach 95% of
Therefore, t he value of the resistor at the gate of the FET
their final value within 25ms of one another.
is critical in ensuring the ramp rate is f ast enough for
this 25ms spec to be met. As such,the total bulk capacitance
is restricted by this ramp rate constraint and the USB inrush spec
desi gn for 14mA load from 2 LED's
USB
(pre-enumeration)
USB
(post-enumeration)
PRE-ENUMERATION POWER-ON INDICATION CIRCUIT
+VBUS
1
D-
2
D+
3
4
56
J6
C70
0.1uF
C71
0.1uF
C1
0.1uF
TP1 TP2
C2
0.1uF
C63
0.1uF
PLLFILO
1
AVDD
2
PWMO
3
PLLO
4
DGND
5
PUR
6
DP
7
DM
8
DVDD
9
MRESET
10
TEST
11
EXTEN
12
RSTO
13
P3
14
P3
15
16
XINT
17
P3
18
P3
19
P3
20
21
NC
22
PLLOEN
23
P1
24
P1
25
P1
26
DVDDS
27
P1
28
P1
29
P1
30
P1
31
P1
32
33
CSCLK
34
CSYNC
35
CDATO
36
37
CDATI
38
CRESET
39
CSCHNE
40
SDA
41
SCL
42
43
MCLKO
44
MCLKO2
45
46
MCLKI
47
MCLKI2
48
AGND
49
XTALO
50
XTALI
51
PLLFILI
52
U7
TUSB3200ACPAH
C43 0.1uF
C55 0.1uF
C31 0.1uF C20 0.1uF
C46 0.1uF
C29
0.1uFC50
1uF
R50
10K
R43
20.0k 1%
R28 1KR33 510 ohm
C62
47pF
R59
27.4 ohm 1%
R60
27.4 ohm 1%
C61
47pF
1 2
X1 6 MHz
R14
3.09k 1%
C22 1000pF
C23
100pF
L1
BLM21PG300SN1
A0
1
A1
2
A2
3
4
VCC
8
WP
7
SCL
6
SDA
5
U3 24C64
R13
5.1k
C6 0.1uF
R12
5.1k
C24 10uF
R19 1 ohm
R15 3.3 ohm
C21
10uF
C51 10uF
R44 47 ohm
D1
DNS_SML-010MTT87 (DEV)
D2
DNS_SML-010VTT87 (DEV)
R2
DNS_750 ohm (DEV)
R3
DNS_750 ohm (DEV)
OUT
1
IN
2
CF LY-
3
GND
4
CFLY+
5
U2 TPS60403
VIN
1
G
2
ON/OF
3
BYPAS
4
VOUT
5
U1 LP2985-4.0
C3
4.7uF,16V
C8 1uF
C4
4.7uF,16V
C7
0.1uF
OUTIN
G
U6 NJU7223DL1-33
TP3
TP5
TP4
R9 DNS
C41
100uF,10V
C17
4.7uF/25V
Q3
MBT4403
R68
1k 1%
R49
1k 1%
R67 1k 1%
U11B
FDC6306P
D5
12V
R69
510k
D4
DNS_SML-010MTT87 (DEV)
R10
DNS_470 ohm (DEV)
C64
0.1uF
C39
0.1uF
C40
0.1uF
C9
0.1uF
C56 0.1uF
C65
1uF
U11A
FDC6306P
U4A
FDC6306P
U4B
FDC6306P
C49
100uF,10V
R8
DNS
R6
1K
C10 0.1uF
Q2
MBT4401
R7
100K
R11 33k
R62
0 ohm
R61 DNS
Q1
MBT4403
R4
10K
R5 1k 1%
D3
DNS
C5
1uF
R46
1K
R45 5.1k
R16 220 ohm
R34A 220 ohm
R34B 220 ohm
R34C 220 ohm
R34D 220 ohm
R18 47 ohm
R17 47 ohm
C57
100uF,10V
R47
33k
R48
5.1k
1
2
J7
1
2
3
4
J8
U12A
FDC6306P
R52
100k 1%
Q9
MBT4403
R53
1.00k 1%
R73
10k 1%
Q10
MBT4401
R74
10k 1%
R75
10k 1%
R76
22 ohm
R77 100k 1%
TP
U12B
FDC6306P
C58 1uF
C59 1uF
MIDI-TO-HOST
MIDI-FROM-HOST
USB_ENUMERATED
USB-DIS
GND
+3V3_MAIN
GND
GND
GND
+VIN
GND
+5V
AGND
+3.3VA+3.3V
GND
GND
GND
GND
GND AGND
SDOUT1
SDOUT2
BCLK
MCLK
GND
GND GND
+3.3V
GND
LRCLK
AGND
GND
GND
+4VA
-4VA
-4VA
GND
+4VA
GND
+3.3V
GND
GND
GND
+3V3_MAIN+5V
GND
GND
VBUS
+VIN
+3.3V
GND
GND
+VIN
POWER-LED
+3V3_MAIN
GNDGND
POWER-LED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J1
C19
33pF
C18
33pF
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