Specifications
COMP1
22
COMP2
4
I01
20
I02
8
I11
17
I12
9
PHASE1
16
PHASE2
10
RC1
14
RC2
12
VREF1
15
VREF2
11
OUT 2B
5
OUT1A
1
OUT1B
21
OUT2A
2
SENSE1
23
SENSE2
3
GND
6
GND
7
GND
18
GND
19
VS
24
VSS
13
U1
L6219
R33
20K
R34
20K
R17
1K8
R1
1R8
R18
1K8
R2
1R8
C17
102
C18
102
C1
221
C2
221
1
2
3
4
J1
+30
VCC
COMP1
22
COMP2
4
I01
20
I02
8
I11
17
I12
9
PHASE1
16
PHASE2
10
RC1
14
RC2
12
VREF1
15
VREF2
11
OUT 2B
5
OUT1A
1
OUT1B
21
OUT2A
2
SENSE1
23
SENSE2
3
GND
6
GND
7
GND
18
GND
19
VS
24
VSS
13
U3
L6219
R37
20K
R38
20K
R21
1K8
R5
1R8
R22
1K8
R6
1R8
C21
102
C22
102
C5
221
C6
221
1
2
3
4
J3
+30
VCC
GND
5
Vdd
17
OUT-A
2
lsbDB0
14
RfbA
3
DB1
13
DB2
12
DB3
11
OUT-B
20
DB4
10
DB5
9
RfbB
19
DB6
8
msbDB7
7
AN-GND
1
CS
15
WR
16
VrefA
4
DACA/B
6
VrefB
18
U8
AD7528
GND
5
Vdd
17
OUT-A
2
lsbDB0
14
RfbA
3
DB1
13
DB2
12
DB3
11
OUT-B
20
DB4
10
DB5
9
RfbB
19
DB6
8
msbDB7
7
AN-GND
1
CS
15
WR
16
VrefA
4
DACA/B
6
VrefB
18
U9
AD7528
COMP1
22
COMP2
4
I01
20
I02
8
I11
17
I12
9
PHASE1
16
PHASE2
10
RC1
14
RC2
12
VREF1
15
VREF2
11
OUT 2B
5
OUT1A
1
OUT1B
21
OUT2A
2
SENSE1
23
SENSE2
3
GND
6
GND
7
GND
18
GND
19
VS
24
VSS
13
U2
L6219
R35
20K
R36
20K
R19
1K8
R3
1R8
R20
1K8
R4
1R8
C19
102
C20
102
C3
221
C4
221
1
2
3
4
J2
+30
VCC
GND
GND
COMP1
22
COMP2
4
I01
20
I02
8
I11
17
I12
9
PHASE1
16
PHASE2
10
RC1
14
RC2
12
VREF1
15
VREF2
11
OUT 2B
5
OUT1A
1
OUT1B
21
OUT2A
2
SENSE1
23
SENSE2
3
GND
6
GND
7
GND
18
GND
19
VS
24
VSS
13
U4
L6219
R39
20K
R40
20K
R23
1K8
R7
1R8
R24
1K8
R8
1R8
C23
102
C24
102
C7
221
C8
221
1
2
3
4
J4
+30
VCC
EA/VP
31
X1
19
X2
18
RESET
9
P37/RD
17
P36/WR
16
P32/INT0
12
P33/INT1
13
P34/T0
14
P35/T1
15
P10
1
P11
2
P12
3
P13
4
P14
5
P15
6
P16
7
P17
8
P00
39
P01
38
P02
37
P03
36
P04
35
P05
34
P06
33
P07
32
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
PSEN
29
ALE/P
30
P31/TXD
11
P30/RXD
10
VCC
40
GND
20
U16
89S52
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
P20
1
2
3
4
5
6
7
8
9
RP1
4K7
T1
24MHZ
C31
18P
C32
18P
E1
10U/50V
VCC
P14
VCC
R47
10K
GND
5
Vdd
17
OUT-A
2
lsbDB0
14
RfbA
3
DB1
13
DB2
12
DB3
11
OUT-B
20
DB4
10
DB5
9
RfbB
19
DB6
8
msbDB7
7
AN-GND
1
CS
15
WR
16
VrefA
4
DACA/B
6
VrefB
18
U10
AD7528
GND
P00
P01
P02
P03
P04
P05
P06
P07
GND
5
Vdd
17
OUT-A
2
lsbDB0
14
RfbA
3
DB1
13
DB2
12
DB3
11
OUT-B
20
DB4
10
DB5
9
RfbB
19
DB6
8
msbDB7
7
AN-GND
1
CS
15
WR
16
VrefA
4
DACA/B
6
VrefB
18
U11
AD7528
GND
P00
P01
P02
P03
P04
P05
P06
P07
P11
P12
P13
P14
P20
P21
P22
P23
P24
P25
P26
P11
P11
P11
P11
P27
P21
P15
P12
P13
C42
102
R48
4K7
1
2
3
J6
VCC
1
2
J7A
E2
470U/50V
E3
470U/50V
E4
470U/50V
+30
C11
104
C12
104
C13
104
C14
104
C16
104
C27
104
C28
104
C29
104
VCC+30
P27
P26
Focus Hall
1
2
3
J8
+30
P22
P23
P24
P25
C34
104
+12
1
2
J9
FAN
+12
From XY Board
1
2
J7B
P00
P01
P02
P03
P04
P05
P06
P07
1
2
3
4
J11
MPAN
R12
4K7
R10
4K7
C10
102
C9
102
VCC
Vin
1
GND
2
Vout
3
U21
7805
E5
100U/25V C33
104
+12 VCC
VCC
X1
X2
P32
P33
P36
P32
P33
P36
X1
X2
R9
100
P15
17. DRIVER(L) PCB
28