Motorola MOSCAD-M RTU Hardware Manual page 58

Moscad-M
MOSCAD-M Main Board
FCN6088A
SD_Radio
3.3_Alive
Q120
SD_VFloat
R1412
R1432
1M
7.5K
Bat_GND Bat_GND
in
C84 C111 C112 C113
100n 1.n 470p 120p
R209
0.04
1W
VFloat_GND
Power supply for Radio .
5V
1
4
5
C85
C34
1u 100n
Radio_GND
R40
0.
FL1
FM60R
1 2
IN OUT
GND
3 DNP
VR5
RV2
C582 C583
33
100.u 100.u
to External Radio
J15-1
V_Radio
U12
MC78L05AB
OUT
8
NC1 IN
NC2
C15
C73
100.n
0.33u
Radio_GND
SH1
SHIELD
C77
1.5n
VFloat_GND
1
VFloat_GND
VC
6
BOOST
5
VIN SINC_SHDN_
3
VSW
FB_SENSE*
GND
4
C584 C8 C7
100.u 22u 22u
J15-2
Header 2-pins
RV6
Rds(on) =~30mOHM
Q72
R210 0.04
1W
VFloat_GND_F
Q25
R367
51.K
R366
51.K
D8
Bat_GND
C61
330.n
N.C.
L1
0
R85
10u
sense_R1
L21
10u
R35
2
27.4K
7
sense_R2
C104
U24
120.p
LT13741HVIR
R37
NEG
C129 12.K
C6
100.p
VFloat_GND
100u
D31
POS
Switching Freq=500Khz
Without Jumper Vout = 8V
sense_R1
49.9K
R318
Vout = 6V
76.8K
R587
Vout = 6.5V
324.K
R333
Vout = 7.5V
sense_R2
61.9K
R583
Vout = 9V
R321 40.2K
Vout = 9.6V
V_DO VFloat
R356
100.K
For 5V Relay option
C58
R365
0.1u
51.K
U11 N.C.
1
MC33267D2TR4
N.C.
VCC
2
RESET
5
OUTPUT
4
DELAY
N.C.
C227
GND
100.u
3
R202 C228
N.C.
N.C.
0. 1.u
V_DO_GND VFloat_GND
R795
R794
0
0 N.C. N.C.
E7 E8
57R01 57R01
C80 C106 C11 C78 C103 C72 C60 C128
470.p 39.p 220.u 1.n 10.n 100.n 1u 100.p
E9
57R01
N.C.
P11-1
R796
P11-2 0
VFloat_GND_F
R1=R2(Vout-2.42)
P11-3
2.42
P11-4
5.1
P11-5
Jumper
P11-6
Jumper chooses the demanded VFloat
P11-8
P11-7
P11-9
P11-10
73D02962C89-O
SHEET 21 OF 23