TA8493AF Toshiba Semiconductor, TA8493AF Datasheet - Page 17

• Manufacturer Part Number: TA8493AF
• Description: (TA8493xx) 3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES
• Manufacturer: Toshiba Semiconductor

2. I
·
·
·
·
·
INH
I
V
V
V
V
INH
, I
CMRH
HB
INC
CMRC
L
b
30
L
CMRH
1
b
(G) L
: I
: Total of a phase negative and positive input current.
: Total of V
V
HB
: Measure the I
Ha
V
: Measure the I
29
b and c phase are measured the same method.
M1
a
2
, V
= 10 mA
(G) L
= V
HB
28
Hb
L
3
a
c
, I
C
= V
and V
INC
L
V
c
27
4
M2
(G) MS
Hc
, V
INC
INH
= 2.5 V
ref
CMRC
5 V
SB
26
5
input current. At V
gap between V
gap between V
R
R
R
25
6
F1
F2
F1
GND1 OSC
GND2
24
TA8493F/AF/BF
7
CMRC
Ha
C
23
8
RF
17
= 1.5 V and V
CMRC
V
N.C. FGO BRK
CMRC
V
= 0.5 V and V
22
A
9
ref
= 1.65 V.
V
21
10
C
Ha
V
5 V
20
11
CC
CMRC
= 4.0 V.
H
C
19
12
b
d
-
= 4.0 V.
V
H
HB
18
13
A
Hb
b
+
V
H
H
17
14
a
c
-
-
TA8493F/AF/BF
V
V
H
H
16
15
A
A
Hc
Ha
c
a
+
+
I
INH
2002-01-31