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参数资料
| 型号： | AN1607 |
| 厂商： | Motorola, Inc. |
| 英文描述： | ITC122 low voltage micro to motor interface |
| 中文描述： | ITC122的低电压微电机接口 |
| 文件页数： | 2/12页 |
| 文件大小： | 227K |
| 代理商： | AN1607 |
2
MOTOROLA
Coupled with an ASB124 control board, it completes the link
between software development tools and a motor. Its use
allows code to be written before hardware design is completed
in an environment where mechanical outputs can be seen.
The design can also be used as a reference for speeding
hardware development.
Electrical Characteristics
The following electrical characteristics apply to operation at
25 degrees Celsius, and unless otherwise specified, B+ = 24
volts.
Table 1. Electrical Characteristics
Characteristic
Symbol
Min
Typ
Max
Units
Power Supply Voltage
B+
12
48
Volts
RMS Motor Current
— Two Phases Active
— Three Phases Active
IM
4
5
Amps
Amps
Input Current @ VIN = 5 V
Min Logic 1 Input Voltage
Iin
VIH
VIL
ICC
Isense
Vtemp
Vbus
PDISS
500
μ
A
2.7
Volts
Max Logic 0 Input Voltage
2.0
Volts
Quiescent Current
25
mA
Bus Current Sense Voltage
250
mV/A
Temperature Sense Voltage
.65
Volts
Bus Voltage Sense Voltage
50
mV/V
Power Dissipation
— Two Phases Active
— Three Phases Active
5.5
6.75
Watts
Watts
The above numbers for power dissipation assume still air
and no additional heat sinking. Maximum current ratings are
based upon applying pulse width modulation signals only to
the top inputs, a maximum PWM frequency of 23 KHz, and a
maximum supply voltage of 40 volts. Bonding heat sinks to the
back of the board and/or providing air flow will significantly
increase both power dissipation and output current ratings.
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