TA8493AF Ver la hoja de datos (PDF) - Toshiba
Número de pieza
componentes Descripción
Fabricante
TA8493AF Datasheet PDF : 25 Pages
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PIN Assignment
Terminal
No.
Terminal
Symbol
1
Lb (G)
2
La (G)
3
La
4
VM2
5
SB
6
RF1
7
GND2
8
CRF
9
N.C.
10
FGO
11
BRK
12
Hb−
13
Hb+
14
Ha−
15
Ha+
16
Hc+
17
Hc−
18
HB
19
Cd
20
VCC
21
VC
22
Vref
23
OSC
24
GND1
25
RF2
26
MS
27
Lc (G)
28
Lc
29
VM1
30
Lb
TA8493F/AF/BF
Function
Remarks
b-phase upper side power transistor (base)
output terminal
a-phase upper side power transistor (base)
output terminal
a-phase output terminal
Supply voltage terminal for motor drive
RUN/STOP control terminal
Output current detection terminal
GND
Output current filter terminal
Keep open.
Keep open.
Connect to the coil.
Connect to VM1 externally.
H: RUN, L: STOP
Sets limiter current value.
Connect to RF2 externally and between this
terminal and GND.
Connect a capacitor between this terminal
and GND.
FG amplifier output terminal
Brake mode select terminal
b-phase negative hall signal input terminal
b-phase positive hall signal input terminal
a-phase negative hall signal input terminal
a-phase positive hall signal input terminal
c-phase positive hall signal input terminal
a-phase negative hall signal input terminal
Hall element bias terminal
Forward/reverse changeover gain
adjustment terminal
Supply voltage terminal for control circuits
Control amplifier input terminal
Control amplifier reference voltage input
terminal
Triangular wave oscillation terminal
GND
Output current detection terminal
Mode select terminal
c-phase upper side power transistor (base)
output terminal
c-phase output terminal
Supply voltage terminal for motor drive
b-phase output terminal
Outputs a signal whose frequency is
determined by the CD rotation frequency.
Output mode when VC > Vref
Connect to hall element output terminal.
Connect to hall element output terminal.
Connect to hall element output terminal.
Connect to hall element output terminal.
Connect to hall element output terminal.
Connect to hall element output terminal.
Open collector output. Connect to the
negative side of hall element bias line.
Adjust a rotation direction changeover gain
VCC (opr) = 4.5 to 5.5 V
Use the control signal as input.
Use the reference voltage for the control
amplifier as input.
Connect a capacitor between this terminal
and GND.
Sets limiter current value.
Connect to RF1 externally and between this
terminal and GND.
Determines output mode.
Keep open.
Connect to the coil.
Connect to VM2 externally.
Connect to the coil.
3
2003-10-07
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