Motorola MOSCAD-M RTU Hardware Manual page 57

Moscad-M
MOSCAD-M Main Board
FCN6088A
Current Protection
4A Slow Blow Fuse
F1
P1-10
Main+
10
VOLTAGE
1 1 1
AMP
2 2 2
U65 U67 VZ1
trans_60v var_60 trans_60v
In of 9-30V
P1-9
Main-
9
1 1
2 2
U66
U68
trans_60v
var_60
P1-2
PGND
2
P1-1
PGND
1
PPTC 0.2A Hold / 0.4A trip current
F6
J14-1 Vbat
Bat_4.5V
1
VOLTAGE
Header of two pins
AMP In of 4.5V_Bat
J14-2 BGND
BGND
2
3.3_Alive
Vin
In the case of open-collector
Histeresis ~0.5V
C607 C604
R1444
1u 100.n
R1466 301.K
49.9K
D82
N.C.
R328
1.M
R335
VR64
100K
12
5
R1443
VCC
51.1K
3
IN_P
1
OUT
4
IN_N_REF
VEE
2
U26
C262 R309 C605
MAX917EUK
1.n 40.2K 10.n
Bat_GND
Internal Ref.
1.245V
Main Power Supply
R207
0.04
N.C.
D33
0.6V@3A
1
Shottky 40V Reverse Vol.
R1186
Reverse Voltage Protection
1
2
VZ29
var_60
D80
E5 E4 E3 E2
57R01 57R01 57R01 57R01
0.n 0.n 0.n 0.n
Vdss=60V
Vin
R355
100.K
5V_PF Bat_Monitor
3.3_Alive
R405
R385 0.
10.K
N.C.
R364
N.C.
51.K
10uA
R363
51.K
Bat_GND
Power Failed below 5V
Q71
Vdss=60V
Over_Voltage Protection (30V max)
C261
1.n
R108
100K
C268 C292
100.n 100p
R208
0.04
Vdet
Vdet
Q70
L45
3.9n
R586
22K
R329
C614 100K
39p
Bat_4.5V
2
When Vbat=3.5V
R362
POS
51.K
U60
FB
LM4041CIM3
NEG
Q14 3
Vin
Bat_GND
3.3_Alive
R334
100K
C239
C33
1u 100.n
D81
N.C.
R1468
60.4K
12
Histeresis VR65
5 MAX917EUK
Vthr=~9.25V
VCC
Vthf=~8.75V
3
IN_P
OUT
R310
4
IN_N_REF
51.1K
VEE
2
C263 R322
Internal Ref.
C255
1.n 26.1K
10.n
Bat_GND
5.1
Vin
PS_Radio
Vin
SD_VFloat SD_VFloat
SD_Radio SD_Radio
PS_3.3_3V
Vin
R129
10K
Q5 5V_PF
5V_PF
SD_V_Normal
SD_V_Normal
Bat_4.5V
Bat_4.5V
R130
10K
BGND
BGND
R109
100K
VR46 5.2
30.
Vdet 3.3_VCC
R337
U27
LP2901D 100.K
8 3
14
Low_bat
9
12
When Battery(4.5V) less than 3.9
It'll be "0"
R1392
82.5K
1
R1442 R1467
127K 1M
Bat_GND Bat_GND
L44
2.2u
PWM1
3.3_Alive
In the case of open-collector
R327
1.M
R585
301.K
~9.3% of Vdet
N.C.
U59
10uA
C264
1
9V_PF
1.n
1.245V
for 10V the accuracy is 150mV
VFloat V_Radio V_DO 5V
VFloat
V_Radio
V_DO
5V
3.3_VCC V_Normal 3.3_Alive
Filter
N.C.
R201 0.
KeepAlive
22u
L4
C240 C12
V_Normal
10.u
100.n
22u
L5
3.3_VCC
N.C.
R200
Bat_GND
0.
Vdet
U27
6 3 LP2901D
1
7
12
Vdet
Vdet Vdet
3.3_VCC
C230
C31
1u 100.n
R331 R332
392.K 392.K
U27
LP2901D
10 3
13
~10.8% of Vdet
4
11
12
3.3_VCC
C608
1.u
C265
Vdet
1.n
U27
LP2901D
4 3
2
2
5
12
R320 R319
When PWM between the levels
40.2K 47.5K
L1&L2=1
73D02962C89-O
SHEET 20 OF 23
V_KeepAlive
C13 C241
10.u
100.n
SGND
R339
100.K
L
R340
100.K
L2