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KMC3PHACVP

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KMC3PHACVP 数据手册

Data Sheet

MC3PHAC/D

Rev. 1, 4/2002

3-Phase AC Motor

Controller

Overview

The MC3PHAC is a high-performance monolithic intelligent motor 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. It contains all of the active functions required to

implement the control portion of an open loop, 3-phase ac motor drive.

One of the unique aspects of this device is that although it is adaptable and

configurable based on its environment, it does not require any software

development. This makes the MC3PHAC a perfect fit for customer applications

requiring ac motor control but with limited or no software resources available.

The device features are:

•

Volts-per-Hertz speed control

Digital signal processing (DSP) filtering to enhance speed stability

32-bit calculations for high-precision operation

Internet enabled

No user software development required for operation

6-output pulse-width modulator (PWM)

3-phase waveform generation

4-channel analog-to-digital converter (ADC)

User configurable for standalone or hosted operation

Dynamic bus ripple cancellation

Selectable PWM polarity and frequency

Selectable 50/60 Hz base frequency

Phase-lock loop (PLL) based system oscillator

Serial communications interface (SCI)

Low-power supply voltage detection circuit

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