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参数资料
| 型号： | TA8083AF |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 0.8 A, PDSO22 |
| 封装： | 0.450 INCH, 1 MM PITCH, PLASTIC, HSOP-20/22 |
| 文件页数： | 4/11页 |
| 文件大小： | 244K |
| 代理商： | TA8083AF |
TA8083AF
2005-03-28
2
Block Diagram and Pin Assignment
Note:
Some functional blocks, circuits, or constants are omitted or simplified in the block diagram to clarify the
descriptions of the relevant features.
Pin Description
Pin No.
Symbol
CH1
CH2
CH1
CH2
Description
1
3
20
18
DI1A
DI1B
DI2A
DI2B
Input pin. The signal from this pin controls the output state. (See Truth
Table 1.)
4
17
LG1
LG2
Ground terminal for Logic portion.
5
16
DG1
DG2
Self-diagnosis output pin. (See Table 2, Truth Table & Timing Chart.) NPN
transistor open-collector output. When output becomes overcurrent, set to
on; duty 97% on (low). At normal operation or at the time of STOP, set to
open (high).
6
15
M (
+) 1
M (
+) 2
Connects to the DC motor. Both the sink and the source have a current
capacity of 0.5 A. Features overcurrent detection function to temporarily
protect the IC from destruction at load short, ground fault, or direct
connection to high power. (See section on Multiple Detections below.)
Features diodes for absorbing counter-electromotive force, which are built
into both VCC and Gnd sides.
7
14
PG1
PG2
Ground terminal for output portion.
9
12
M (
) 1
M (
) 2
A motor is connected between this pin and the M (+) pin. This pin has a
function equivalent to that of the M (+) pin, and is controlled by input to the
DIA and DIB pins.
10
11
VCC1
VCC2
Power supply pin. This pin has a function to turn off the output when the
applied voltage exceeds 30 V.
2, 8,
13, 19
NC
Not connected pin. (Electrically, this pin is completely open.)
DI2A
NC
DI2B
LG2
DG2
M (
+) 2 PG2
NC
M (
) 2 VCC2
DI1A
NC
DI1B
LG1
DG1
M (
+) 1 PG1
NC
M (
) 1 VCC1
20
19
18
17
16
15
14
13
12
11
FIN
Control logic
Overvoltage
detection
Overvoltage
detection
Control logic
1
2
3
4
5
6
7
8
9
10
FIN
DIAG control
Overheat
detection
DIAG control
Overcurrent
detection
Overcurrent
detection
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