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参数资料
| 型号： | TA8490F |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.2 A, PDSO30 |
| 封装： | 0.375 INCH, 1 MM PITCH, PLASTIC, SSOP-30 |
| 文件页数： | 16/22页 |
| 文件大小： | 593K |
| 代理商： | TA8490F |
TA8490F
2001-06-13
3
PIN ASSIGNMENT
TERMINAL
No.
TERMINAL
SYMBOL
FUNCTION
REMARKS
1
Lb (B)
bphase upper side power transistor (base) output
terminal
Keep open.
2
La (B)
aphase upper side power transistor (base) output
terminal
Keep open.
3
La
aphase output terminal
Connect to the coil.
4
VM2
Supply voltage terminal for motor drive
Connect to VM1 externally.
5
CP
Switching power source system phase
compensator terminal
Connect a capacitor between this terminal and
GND.
6
GND2
GND
―
7
OSC
Triangular wave oscillation terminal
Connect a capacitor between this terminal and
GND.
8
SWC
Switching regulator control signal output terminal
Connect to the base of the switching external
transistor.
9
SB
RUN / STOP control terminal
H: RUN, L: STOP
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 VC > Vref
12
Hb
bphase negative hall signal input terminal
Connect to hall element output terminal.
13
Hb
+
bphase positive hall signal input terminal
Connect to hall element output terminal.
14
Ha
aphase negative hall signal input terminal
Connect to hall element output terminal.
15
Ha
+
aphase positive hall signal input terminal
Connect to hall element output terminal.
16
Hc
+
cphase positive hall signal input terminal
Connect to hall element output terminal.
17
Hc
aphase 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
CT
Control system phase compensator terminal
Connect a capacitor between this terminal and
GND.
20
VCC
Supply voltage terminal for control circuits
VCC (opr) = 4.5~5.5 V
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