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| 型号： | MC3PHACVDWE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/36页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR CONTROLLER 28-SOIC |
| 标准包装： | 26 |
| 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： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 808 (CN2011-ZH PDF) |
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Introduction
Introduction
The MC3PHAC is a high-performance intelligent controller designed specifically to meet the requirements
for low-cost, variable-speed, 3-phase ac motor control systems. The device is adaptable and
configurable, based on its environment. Constructed with high-speed CMOS (complementary metal-
oxide semiconductor) technology, the MC3PHAC offers a high degree of performance and ruggedness
in the hostile environments often found in motor control systems.
The device consists of:
? 6-output pulse-width modulator (PWM)
? 4-channel analog-to-digital converter (ADC)
? Phase-lock loop (PLL) based system oscillator
? Low-power supply voltage detection circuit
? Serial communications interface (SCI)
The serial communications interface is used in a mode, called PC master software mode, whereby control
of the MC3PHAC is from a host or master personal computer executing PC master software or a
microcontroller emulating PC master software commands. In either case, control via the internet is
feasible.
Included in the MC3PHAC are protective features consisting of dc bus monitoring and a system fault input
that will immediately disable the PWM module upon detection of a system fault.
Included motor control features include:
? Open loop volts/Hertz speed control
? Forward or reverse rotation
? Start/stop motion
? System fault input
? Low-speed voltage boost
? Internal power-on reset (POR)
Features
3-Phase Waveform Generation — The MC3PHAC generates six PWM signals which have been
modulated with variable voltage and variable frequency information in order to control a 3-phase ac motor.
A third harmonic signal has been superimposed on top of the fundamental motor frequency to achieve full
bus voltage utilization. This results in a 15 percent increase in maximum output amplitude compared to
pure sine wave modulation.
The waveform is updated at a 5.3 kHz rate (except when the PWM frequency is 15.9 kHz), resulting in
near continuous waveform quality. At 15.9 kHz, the waveform is updated at 4.0 kHz.
DSP Filtering — A 24-bit IIR digital filter is used on the SPEED input signal in standalone mode, resulting
in enhanced speed stability in noisy environments. The sampling period of the filter is 3 ms (except when
the PWM frequency is 15.9 kHz) and it mimics the response of a single pole analog filter having a pole at
0.4 Hz. At a PWM frequency of 15.9 kHz, the sampling period is 4 ms and the pole is located at 0.3 Hz.
MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2
8
Freescale Semiconductor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC3PHACVFA | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 32LQFP - Trays 制造商:Rochester Electronics LLC 功能描述:8BIT MCU, 8K FLASH OTP - Bulk |
| MC3PHACVFAE | 功能描述:马达/运动/点火控制器和驱动器 8B MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| MC3PHACVP | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 28PDIP - Rail/Tube 制造商:Freescale Semiconductor 功能描述:Controller IC |
| MC3PHACVPE | 功能描述:马达/运动/点火控制器和驱动器 8BIT MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| MC3S12C128 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:16-Bit Microcontroller |
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