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参数资料
| 型号： | TA8050P |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.5 A, PSFM7 |
| 封装： | PLASTIC, HSIP-7 |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 代理商： | TA8050P |
TA8050P
2005-03-29
2
Pin Description
Pin No.
Symbol
Description
1
2
DI1
DI2
Output status control pin.
Connects to a PNP-type voltage comparator.
3
M (+)
Connects to the DC motor. Both the sink and the source have a current capacity of 1.5 A.
Diodes for absorbing counter-electromotive force are contained on the VCC and GND sides.
4
GND
Grounded
5
M ()
Connects to the DC motor together with pin 3 and has the same function as pin 3. This pin is
controlled by the inputs from pins 1 and 2.
6
NC
Not connected. (Electrically, this pin is completely open.)
7
VCC
Power supply pin. This pin has a function to turn off the output when the applied voltage
exceeds 27.5 V, thus protecting the IC and the load.
Truth Table
Input
Output
DI1
DI2
M (+)
M ()
H
L
(Note)
L
H
L
H
L
H
L
OFF (high impedance)
(Note)
Note:
Brake mode comes into effect when both M (+) and M () go Low; Stop mode comes into effect when both M
(+) and M () turn OFF.
Description of Multi-detection Operation
The TA8050P has functions for detecting overvoltage (VSD), overcurrent (ISD), and overheating (TSD). These
functions temporarily protect the IC (and the motor load in some cases) from deterioration or destruction due to
power-related overstress.
The three functions work independently and each function is explained below.
Note 1: These functions are intended to protect the IC from instantaneous faults, including output short circuits, and
are not designed to protect the IC from all types of faults.
Note 2: If the IC is used beyond the maximum ratings, it may be damaged before the detection circuits are activated.
Note 3: These functions are not activated if the operating voltage is less than 6 V. In this range, short-circuiting the
output can cause damage to the IC.
Control logic
M (
+)
M (
)
DI1
DI2
VSD
ISD
TSD
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