Arcam ST60 - Page 24

EN-24
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L279 CT5 PSU.SchDoc
SYS009 - Main PCB PSU
Contact Engineer:
L279CT
21/08/2020
INITIALS
Printed:
5 5Sheet of
Notes:
Contact Tel: (01223) 203207Peter Kuell
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A3
ARCAM
16V
C504
10N
6.3V
C503
10UF
DGND
+5V STBY
16V
C506
10N
6.3V
C507
10UF
+3V3 STBY
DGND
M503
FDN340P
TR503
MMUN2211LT1
DGND
0W063
R505
10K
6.3V
C518
10UF
DGND
+5V STBY
+5V WiFi
16V
C501
100UF
16V
C508
10N
+3V3 MCU
16V
C510
100N
16V
C511
100N
16V
C512
100N
16V
C500
100UF
VOUT
1
MODE
2
FB
3
VIN
4
EN
5
PGND
6
EPAD
7
REG500
171960501
DGND
0W063
R502
27K
0W063
R500
120K
DGND
50V
C505
22P
DGND
PSU EN
PSU EN
M500
FDN340P
TR500
MMUN2211LT1
DGND
DGND
0W063
R501
10K
6.3V
C509
10UF
DGND
16V
C502
100UF
+3V3 STBY
+3V3
SUE PSU EN
SUE PSU EN
19_E022 PK 19/07/19 Initial release C.0
19_E030 PK 17/09/19 ES release D.0
0W063
R503
10K
DGND
0W063
R504
10K
DGND
2A
L500
220R@100MHz
2A
L501
220R@100MHz
16V
C517
470UF
20_E010 PK 19/02/20
DV release, reduce C517 value
E.0
16V
C515
10N
6.3V
C514
10UF
DGND
+5V STBY
16V
C519
10N
6.3V
C520
10UF
+3V3 SMPS
DGND
16V
C521
10N
16V
C522
100N
16V
C523
100N
16V
C524
100N
16V
C513
100UF
VOUT
1
MODE
2
FB
3
VIN
4
EN
5
PGND
6
EPAD
7
REG501
171960501
DGND
0W063
R507
27K
0W063
R506
120K
DGND
50V
C516
22P
DGND
2A
L502
220R@100MHz
+3V3
NF
PSU EN
Additional 3.3V reg as option to stop reboots
VDD
5
RST
1
GND
2
IN
4
MR
3
IC500
MIC2774N-29YM5
+3V3 STBY+5V STBY
16V
C525
10N
DGND
0W063
R511
47K
0W063
R508
910K
DGND
+3V3 STBY
6.3V
C526
10UF
DGND
DGND
0W063
R509
10K
+3V3 STBY
RESET*
RESET*
0W063
R510
62K
20_E026 PK 30/03/20 Reset circuit added to replace AC detect 1.0
NF
NF
20_E035 PK 13/08/20 None to this sheet 2.0