ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L182_1.0 SoundCube PSU + charge.SchDoc
SoundCube - PSU + charge
Contact Engineer:
L182CT
28/09/2010
INITIALS
Printed:
6
7
Sheet
of
Notes:
Contact Tel Direct:
01223 203210
Mark Tweedale
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
Contact Tel Reception: 01223 203200
FC
1
CAP+
2
GND
3
CAP-
4
VOUT
5
LV
6
OSC
7
V+
8
IC600
SP6661EN-L
0W063
R608
0R0
+5VA
Fit for 900kHz osc, NF for 120kHz
63V
RX
C615
22UF
63V
RX
C612
22UF
63V
RX
C619
22UF
GND
+5VA
GND
-5V
50V
0805
C627
220N
50V
0805
C628
220N
50V
1206
X7R
C629
2u2F
GND_CHG
DCIN
1
2
CON600
+19V(3REG)
DC input jack
GND_CHG
6.3V
0603
X5R
C645
1UF
DCIN
0W063
0603
R632
100K
0W063
0603
R633
100K
GND_CHG
GND_CHG
GND_CHG
+3V14
+5V
+1V8(D)
+1V8
REG601
LM1117MPX-1.8
GND
16V
C604
100UF
16V
C605
100UF
A
G
N
D
9
IS
13
VIN
3
SW
14
SYNC
4
VCC
1
COMP
5
RT
7
FB
6
SD*
2
P
G
N
D
1
2
RAMP
8
OUT
11
SS
10
PRE
15
BST
16
REG600
LM25574
0W063
R604
20K
50V
0603
C606
470P
GND
GND
GND
GND
0W063
R605
24K
D601
DFLS230LH
L600
100U
6.3V
X5R
C603
10UF
16V
RX
C602
470UF
GND
GND
0W063
R609
5K6
A
G
N
D
9
IS
13
VIN
3
SW
14
SYNC
4
VCC
1
COMP
5
RT
7
FB
6
SD*
2
P
G
N
D
1
2
RAMP
8
OUT
11
SS
10
PRE
15
BST
16
REG602
LM25574
50V
0603
C616
470P
GND
GND
GND
GND
0W063
R611
24K
D603
DFLS230LH
L601
100U
16V
RX
C613
470UF
GND
GND
+5VA
10V
X5R
C614
10uF
S1
NO1
SW600A
SDDJE32100
S2
NO2
SW600B
SDDJE32100
D607
DFLS230LH
GND_CHG
50V
0805
C638 47N
50V
0805
C639 47N
0603
R631
10K
50V
0603
C644
1N0
50V
0805
C640
100N
GND_CHG
+19V(7REG)
0W063
0603
R622
4R7
0W063
0603
R626
4R7
50V
0603
C635
10N
GND_CHG
CSSN
1
CSSP
2
CCS
3
CCV
4
CCI
5
ICHG/EN
6
IOUT
7
VADJ
8
REF
9
BATT
10
CSB
11
G
N
D
1
2
V
H
1
3
EXT
14
D
C
IN
1
5
V
L
1
6
IC603
MAX1873TEEE
50V
0603
C637
10N
GND_CHG
+19V
25V
RX
C641
100UF
GND_CHG
REF = 4.2V
at very low current
D606
PDS1040L
D
io
d
e
a
llo
w
s
b
a
tt
e
ry
t
o
p
o
w
e
r
c
u
b
e
w
h
e
n
D
C
s
u
p
p
ly
r
e
m
o
v
e
d
3
1
4
5
2
SC70-5
IC602
LMV321IDCKR
GND
+3V14(STBY)
+5V
16V
0603
C621
100N
GND
0W063
0603
R619
10K
0W063
0603
R614
5K1
GND
V_IOUT_RAW
V_IOUT_POT
Approx. 19V
SOT-23
M602
FDV303N
GND_CHG
CHARGE_DISABLE
SD* has internal pull-up to enable
nc
20k sets approx 300kHz
24k sets approx 260kHz
(faster clock is master)
(slave)
0W063
0603
R610
24K
SOT-23
TR601
MMUN2211LT1
GND
PSU_DISABLE
SOT-23
TR602
MMUN2211LT1
GND
PSU_DISABLE
to uC ADC input
Output scaled to 3V3 range
0W5
SM1206
R630
0R15
1W
SM1218
R623
0R033
3A
L603
15uH
50V
0805
C643
100N
50V
0805
C642
100N
TR600
MMUN2211LT1
0W063
0603
R618
100R
0W063
0603
R627
100K
GND
+3V14
0W063
0603
R603
47K
GND
DC_PWR_PRESENT*
0W063
0603
R607
47K
to reduce power used
to detect dc supply
to uC
from uC
from uC
Reverse voltage = 60V max
Vf = 0.48V @ 3.5A 25degC
Need to look into how to keep
+3V3(STBY) suppliy alive long enough
after 19V DC or battery supply has been
switched off to perform controlled
shutdown.
(bulk storage caps on the pre regulator
side)
SOT-23
D602
BAT54A
Reverse voltage = 30V max
(This should be fine - just.)
G
N
D
6
OUT
4
IN
1
EN
8
IN
2
P
A
D
9
OUT
3
FB
5
REG604
TPS79501DRBR
GND
GND
GND
+3V14(RF)
+5V
GND
LDO regulator (for Kleer / RF)
0W063
0603
R621
47K
0W063
0603
R624
30K
50V
0603
C634
15P
25V
0805
X5R
C632
1UF
25V
0805
X5R
C631
1UF
SOT-223
M601
NTF2955
TR603
MMUN2211LT1
+3V14
0W063
0603
R625
47K
GND
BATT_PWR_PRESENT*
0W063
0603
R628
47K
to reduce power used
to detect dc supply
to uC
SOT-23
D605
BAT54A
Drain on battery due to detect ckt:
I = V/R = 16.8/67k = 250uA
Battery capacity = 2.3Ah
Time = 2.3/250u = 9200h = 383days
So, current draw by this bit is insignificant c.f. uC standby current
+19V_AMP
iPod power switch
+3V14(STBY)
Pullup disables charging by default.
0W063
0603
R629
10K
25V
0805
C600
1UF
25V
0805
C610
1UF
0W063
0603
R606
3K0
0W063
0603
R601
4K7
+3V14
PSU_DISABLE
Pulldown not required on this line to
force +3V14 ON (i.e. the non-standby
supply) when the uC is booting in USB
upgrade mode as digital transistors on
this control line elsewhere include
internal pulldowns.
SP601
+5V(USB)
P
u
t
p
u
llu
p
o
n
S
T
B
Y
s
u
p
p
ly
i
n
c
a
s
e
w
e
w
a
n
t
to
c
h
a
rg
e
i
n
s
ta
n
d
b
y
m
o
d
e
.
SP603
+19V(5REG)
+19V(3REG)
+19V(7REG)
SP602
EN1
3
IN
2
OC1*
8
OUT1
7
EN2
4
GND
1
OC2*
5
OUT2
6
S0-8
IC601
ST2052BDR
500mA limit
+5V(USB)
EN_IPOD_PWR
GND
0W063
SM0603
R613
10K
+3V14
USB_PWR_FAULT*
GND
(and current limit for USB memory stick)
Fuse Littelfuse T4A SM RoHS
FS600
T4A
PGND
GND_CHG
SP600
C
H
A
R
G
E
_
D
IS
A
B
L
E
V_IOUT_POT
DC_PWR_PRESENT*
PSU_DISABLE
USB_PWR_FAULT*
+5V(USB)_IPOD
+5V(USB)_STICK
EN_IPOD_PWR
BATT_PWR_PRESENT*
P601
P600
P602
P603
P604
P605
P606
P608
P609
P607
P610
P612
P611
P613
P616
P618
P620
P621
P623
P622
P619
P626
P629
P632
P633
P631
P630
P628
P627
P625
0W063
0603
R635
10K
GND
Guarantees no iPod power at cube turn on.
50V
C609
470N
50V
C620
470N
D600
PDS760
50V
0603
C607
10N
50V
0603
C617
10N
50V
0805
C601
22N
50V
0805
C608
22N
50V
0805
C611
22N
50V
0805
C618
22N
0W063
0603
R634
100K
GND
35V
C636
100UF
09_E142
PK
08-07-09
Prototype release
A.0
SOT-23
M600
FDV303N
10_E001
PK
05-01-10
M600 changed to N type and footprint corrected R612 changed
B.0
0W063
R612
1K8
to 1k8, CON602 pin out change to put on bottom of PCB
SOT-23
TR604
MMUN2211LT1
GND
0W063
SM0603
R636
10K
+5V
1
2
5569
CON602
MOLEX
10_E074
PK
30/03/10
Remove sense star and av return from star point
C.0
GND
0W5
R602
10R
50V
C651
1N0
GND
50V
C650
10N
50V
C649
10N
0W063
R637
56R
50V
C652
1N0
A
G
N
D
9
IS
13
VIN
3
SW
14
SYNC
4
VCC
1
COMP
5
RT
7
FB
6
SD*
2
P
G
N
D
1
2
RAMP
8
OUT
11
SS
10
PRE
15
BST
16
E
P
G
N
D
1
7
REG603
LM25575
GND
0W063
0603
R616
24K
50V
0603
C656
10N
50V
0603
C648
470P
GND
GND
25V
0805
C623
1UF
50V
C622
10N
+19V(5REG)
0W063
R600
5K6
GND
0W063
R617
24K
16V
RX
C625
470UF
GND
GND
10V
X5R
C646
10uF
50V
0805
C624
22N
50V
0805
C657
22N
0W063
R620
1K8
0W5
R615
10R
50V
C647
1N0
GND
50V
C626
10N
50V
C658
470N
GND
0W25
R638
10R
0W25
R639
10R
16V
RX
C659
470UF
D604
MBRS360T3G
Change 5V regulator, remove additonal grounds
50V
C630
1N0
50V
C633
1N0
L602
47U
25V
0805
C653
1UF
P615
P614
P624
P636
P640
P641
P643
P642
P637
P635
P639
P646
P647
P648
P649
P651
P650
P652
P644
P656
P657
P658
P653
P654
P655
P645
P662
P660
P661
P659
P634
P664
P671
P663
P638
P665
P666
P667
P669
P670
P672
P617
P668
P673
P674
P677
P676
P675
P681
P678
P680
P679
1.0
Add test points
10_E136
PK
09/09/11
