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參數(shù)資料
| 型號： | TA8493AF |
| 廠商： | Toshiba Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
| 中文描述： | 3相全波無刷直流電動機(jī)驅(qū)動IC的CD - ROM驅(qū)動器 |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 250K |
| 代理商： | TA8493AF |
TA8493F/AF/BF
2002-01-31
3
PIN Assignment
Terminal
No.
Terminal
Symbol
Function
Remarks
1
L
b
(G)
b-phase upper side power transistor (base)
output terminal
Keep open.
2
L
a
(G)
a-phase upper side power transistor (base)
output terminal
Keep open.
3
L
a
a-phase output terminal
Connect to the coil.
4
V
M2
Supply voltage terminal for motor drive
Connect to V
M1
externally.
5
SB
RUN/STOP control terminal
H: RUN, L: STOP
6
R
F1
Output current detection terminal
Sets limiter current value.
Connect to R
F2
externally and between this
terminal and GND.
7
GND2
GND
8
C
RF
Output current filter terminal
Connect a capacitor between this terminal
and GND.
9
N.C.
10
FGO
FG amplifier output terminal
Outputs a signal whose frequency is
determined by the CD rotation frequency.
11
BRK
Brake mode select terminal
Output mode when V
C
V
ref
12
H
b
b-phase negative hall signal input terminal
Connect to hall element output terminal.
13
H
b
b-phase positive hall signal input terminal
Connect to hall element output terminal.
14
H
a
a-phase negative hall signal input terminal
Connect to hall element output terminal.
15
H
a
a-phase positive hall signal input terminal
Connect to hall element output terminal.
16
H
c
c-phase positive hall signal input terminal
Connect to hall element output terminal.
17
H
c
a-phase negative hall signal input terminal
Connect to hall element output terminal.
18
HB
Hall element bias terminal
Open collector output. Connect to the
negative side of hall element bias line.
19
C
d
Forward/reverse changeover gain
adjustment terminal
Adjust a rotation direction changeover gain
20
V
CC
Supply voltage terminal for control circuits
V
CC (opr)
4.5 to 5.5 V
21
V
C
Control amplifier input terminal
Use the control signal as input.
22
V
ref
Control amplifier reference voltage input
terminal
Use the reference voltage for the control
amplifier as input.
23
OSC
Triangular wave oscillation terminal
Connect a capacitor between this terminal
and GND.
24
GND1
GND
25
R
F2
Output current detection terminal
Sets limiter current value.
Connect to R
F1
externally and between this
terminal and GND.
26
MS
Mode select terminal
Determines output mode.
27
L
c
(G)
c-phase upper side power transistor (base)
output terminal
Keep open.
28
L
c
c-phase output terminal
Connect to the coil.
29
V
M1
Supply voltage terminal for motor drive
Connect to V
M2
externally.
30
L
b
b-phase output terminal
Connect to the coil.
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| TA8493BF | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
| TA8493F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
| TA8496FL | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Bipolar Linear Integrated Circuit Silicon Monolithic |
| TA8499F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3 PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD/DVD ROM DRIVES |
| TA8504 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH SPEED COMPARATOR |
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