参数资料
| 型号： | MC3PHACVPE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 10/36页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR CONTROLLER 28-DIP |
| 标准包装： | 13 |
| 应用： | AC 电机控制器，3 相 |
| 输出数： | 1 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 808 (CN2011-ZH PDF) |
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Features
MOTOR PHASE CURRENT WAVEFORMS
COMPENSATED
UNCOMPENSATED
REMOVES 60 Hz HUM
AND DECREASES I 2 R LOSSES
PWM1
PWM2
MC3PHAC
PWM3
PWM4
CORRECTED PWMs
PWM5
PWM6
Figure 4. Dynamic Bus Ripple Cancellation
In standalone mode, the base frequency and PWM polarity are specified at the same time during
initialization by connecting either pin 25, 26, 27, or 28 exclusively to the PWMPOL_BASEFREQ input.
During initialization, pins 25, 26, 27, and 28 are cycled one at a time to determine which one has been
connected to the PWMPOL_BASEFREQ input.
made. Refer to the standalone mode schematic, Figure 8 . Only one of these jumpers (JP1–JP4) can be
connected at any one time.
NOTE
It is not necessary to break this connection once the initialization phase has
been completed. The MC3PHAC will function properly while this
connection is in place.
Table 3. PWM Polarity and Base Frequency Specification in Standalone Mode
Pin Connected to
PWMPOL_BASEFREQ Pin
MUX_IN (JP1)
SPEED (JP2)
ACCEL (JP3)
DC_BUS (JP4)
PWM Polarity
Logic low = on
Logic high = on
Logic low = on
Logic high = on
Base Frequency
50 Hz
50 Hz
60 Hz
60 Hz
MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2
10
Freescale Semiconductor
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