Onduleur diphasé MLI pour bobines

Vs
Vs
Arduino
PWM PWM
Pont A Pont B
4A

100 kHz
.
.
+5 V
Vs
Vs12 V48 V
74LS04
Arduino UNO
Vs
L6203
Rs
0,2
15n
15n
220n
C5
2200u
C4
220u
74LS04
L6203
Rs
0,2
15n
15n
220n
L
R
L
R
C6
100n
I
1O2
VCC
14
GND
7
IOREF
1
RESET
2
3.3 V
3
5 V
4
GND
5
GND
6
Vin
7
A0
8
A1
9
A2
10
A3
11
A4
12
A5
13
D0 RX 14
D1 TX 15
D2 16
D3 17
D4 18
D5 19
D6 20
D7 21
D8 22
D9 23
D10 24
D11 25
D12 26
D13 27
GND
28
AREF
29
SDA
30
SCL
31
IN 1
5
ENABLE
11
IN 2
7
SENSE
10
OUT 2 1
BOOT 2 8
OUT 1 3
BOOT 1 4
Vref
9
Vs
2
GND
6
I
13 O12
VCC
14
GND
7
IN 1
5
ENABLE
11
IN 2
7
SENSE
10
OUT 2 1
BOOT 2 8
OUT 1 3
BOOT 1 4
Vref
9
Vs
2
GND
6

Rs= 0,2 Ω
RsRs
Rs

t
ICR1
OC1A
t
OCR1A
0
1
TCNT1
0xFFFF
T
Clear OC1A Set OC1A

.
.