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| 型号： | TA8492PG |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDIP16 |
| 封装： | 300 INCH, 2.54 MM PITCH, LEAD FREE, PLASTIC, DIP-16 |
| 文件页数： | 10/14页 |
| 文件大小： | 245K |
| 代理商： | TA8492PG |
TA8492P/PG
2006-3-2
5
Handling Precautions
CW/CCW/Stop control circuit
a) At 3ST input, because the input voltage ranges for VRV (Reverse mode) and VSTP (Stop mode) are narrow,
make sure no impedance is caused between the IC VCC and GND pins. Do not connect an input resistor to
the 3ST pin as this will cause voltage offset.
b) When controlling the rotation direction using 3ST input, switch the direction from Reverse to Stop mode or
vice versa with VS = 0 V; otherwise punch-through current may be generated at output.
Hall amp. circuit
A Hall IC input amplitude of over 400 mVp-p causes an output function error. Make sure the amplitude is
within the specified range.
Output circuit
Particular care is necessary in the design of the output, VS, VCC and GND lines since the IC may be destroyed
due to short circuits between output air contamination faults, or faults caused by improper grounding
External Parts
Symbol
Function
Recommended
Value
Remarks
C1
Power supply line oscillation prevention
4.7
F
C2
Power supply line oscillation prevention
4.7
F
C3
Output noise reduction
4.7
F
(Note 3)
R1
Hall bias
(Note 4)
Note 3: Set an appropriate value depending on the motor and use conditions.
Set an appropriate value so that the Hall IC output common-mode input voltage and amplitude fall within the
specified ranges in the Electrical Characteristics table.
Note 4: Be sure to set this bias so that the Hall element output amplitude and common-mode input voltage fall within
the ranges specified in the table of electrical characteristics.
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