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