73D02962C89-O
SHEET 21 OF 23
N.C.
N.C.
N.C.
N.C.
N.C.
C104
Power supply for Radio .
Vout = 7.5V
Vout = 6.5V
DNP
sense_R1
sense_R2
R1=R2(Vout-2.42)
2.42
Switching Freq=500Khz
Without Jumper Vout = 8V
Vout = 6V
MC33267D2TR4
DELAY
4
GND
3
OUTPUT
5
RESET
2
VCC
1
Vout = 9V
Vout = 9.6V
Jumper
MicroMoscad
1W
1W
Rds(on) =~30mOHM
to External Radio
Header 2-pins
sense_R1
sense_R2
Jumper chooses the demanded VFloat
5.1
N.C.
N.C.
N.C.
N.C.
For 5V Relay option
120.p
470.p
C80
120p
C113
470p
C112
1.n
C111
R40
0.
100.p
C129
RV2
12.K
R37
39.p
C106
10u
L1
C6
FB_SENSE*
7
GND
4
SINC_SHDN_
2
VC
1
VIN
5
VSW
3
100u
U24
LT13741HVIR
BOOST
6
FL1
FM60R
GND
3
IN
1
OUT
2
100n
C11
C84
220.u
C60
C128
100.p
1u
100.n
C72
10.n
C103
1.n
C78
C8
22u
C7
22u
D8
POS
1.5n
C77
D31
NEG
330.n
C61
J15-2
U11
J15-1
R321
40.2K
R583
61.9K
R333
324.K
76.8K
R587
R318
49.9K
R35
27.4K
100.n
C73
0.04
R210
Radio_GND
R367
51.K
R366
51.K
100.K
R356
51.K
R365
Q72
Bat_GND
VFloat_GND
VFloat_GND_F
Radio_GND
Q25
0.04
R209
1u
C34
C15
0.33u
5
1
OUT
C85
100n
2
GND1
3
GND2
6
GND3
7
GND4
8
IN
NC1
4
NC2
MC78L05AB
U12
VR5
33
R1412
1M
Q120
0
R796
VFloat_GND_F
VFloat_GND
R795
E9
57R01
0
0
R794
57R01
E8
E7
57R01
0
R85
L21
10u
RV6
P11-10
P11-9
P11-7
P11-8
P11-6
P11-4
P11-5
P11-3
P11-1
P11-2
C228
VFloat_GND
VFloat_GND
R202
1.u
V_DO_GND
0.
100.u
C227
0.1u
C58
VFloat_GND
SHIELD
SH1
1
2
100.u
C584
100.u
100.u
C582
C583
3.3_Alive
Bat_GND
Bat_GND
R1432
7.5K
in
VFloat
5V
V_Radio
SD_Radio
V_DO
SD_VFloat