TA8493AFG TOSHIBA Semiconductor CORPORATION, TA8493AFG Datasheet - Page 22
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TA8493AFG
Manufacturer Part Number
TA8493AFG
Description
3-phase Full Wave Brushless Dc Motor Driver Ic For Cd-rom Drives
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TA8493AFG.pdf
(27 pages)
- Current page: 22 of 27
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7. V
8. V
•
•
•
OFG (H)
HYS
V
V
V
OFG (H)
OFG (L)
HYS
: Switch the V
, V
Measure the V
L
L
30
b
30
b
L
L
1
1
: V
b
b
: V
(G) L
(G) L
OFG (L)
Hb
Hb
V
V
29
29
a
a
M1
2
+
M1
2
+
(G) L
(G) L
= 2.47 V, I
= 2.53 V, I
28
28
L
L
Hb
3
3
c
a
c
a
Hb
+
L
L
from high (H) to low (L) and from (L) to (H).
+
V
V
c
c
27
27
at the point when FGO function changes.
M2
4
M2
4
FGO
(G) MS
FGO
(G) MS
5 V
5 V
SB
= 10 µA (sink)
SB
26
26
= 10 µA (source)
5
5
R
R
R
R
25
TA8493F/FG/AF/AFG/BF/BFG
25
TA8493F/FG/AF/AFG/BF/BFG
6
6
F2
F1
F2
F1
GND1 OSC
GND2
GND1 OSC
GND2
24
24
7
7
22
C
C
23
23
8
8
RF
RF
N.C. FGO BRK
N.C. FGO BRK
V
V
22
22
9
9
ref
ref
V
V
21
10
21
10
V
C
C
V
V
20
11
20
11
5 V
5 V
CC
CC
2.5 V V
2.5 V V
H
H
19
C
12
19
C
12
b
b
d
d
−
−
H
H
HB
HB
18
13
18
13
Hb
Hb
b
b
+
+
+
+
H
H
H
H
17
14
17
14
c
a
c
a
−
−
−
−
H
H
H
H
16
15
16
15
a
a
c
c
+
+
+
+
2006-3-6
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