Datasheet > MC1101A-P

MC1101A-P

更新时间： 2024-11-13 21:55:23

品牌	Logo	应用领域
其他 - ETC		电机
页数	文件大小	规格书
70页	472K
描述
Advanced Brushless Motor Control Chipset

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MC1101A-P 数据手册

Advanced Brushless Motor

Control Chipset

MC1231A

MC1131A

Features

Supports 3-phase as well as 2-phase

brushless motors

Performs trajectory generation, servo

loop closure, and commutation

Ultra-smooth sinusoidal commutation

Open or closed loop operation

Software and feature-compatible with

other 1st generation PMD chipsets

Available in 1 or 2 axis configurations

32-bit position, velocity, acceleration and

jerk trajectory profile registers

Choice of S-curve, trapezoidal, or

contoured velocity profile modes

Electronic Gearing

General Description

Two travel-limit switches per axis

Choice of PWM or DAC motor output

signals

Easy-to-use packet-oriented command

protocol

The MC1231A is a dedicated motion processor which functions

as a complete chip-based motor controller. Packaged in a 2-IC

chipset, this device performs trajectory generation, servo loop

closure, and sinusoidal commutation. The chipset inputs

incremental encoder signals and outputs PWM or

DAC-compatible motor command signals. The MC1231A is

available in a one, or a two-axis configuration.

The MC1231A is functionally similar to other members of

PMD's 1st generation chipset family however it adds the ability

to perform sinusoidal commutation of brushless motors. All of

these devices provide sophisticated motion control capabilities

allowing the creation of complex profile sequences with very low

tracking errors.

Commutation Waveforms

3-Phase Brushless

Phase A

Phase B

Phase C

Both two and three-phase brushless motors are supported by

the MC1231A. When used with two-phase brushless motors

each phase is separated by 90 degrees. When used with

3-phase brushless motors each phase is separated by 120

degress. The commutation angle is continuously calculated

using the encoder position. User-programmable commutation

parameters allow a very wide range of encoders and motors to

be controlled.

2-Phase Brushless

Phase B

Phase A

The chipset is controlled by a host processor which interfaces

with the chipset via an 8-bit, bi-directional port. Communications

to/from the chipset consist of packet-oriented messages.

The chipset is packaged in 2 68-pin PLCC packages. Both

chips utilize CMOS technology and are powered by 5 volts.

Doc. Rev. 10.05, Nov 1997

Performance Motion Devices, Inc. 12 Waltham St. Lexington, MA 02421 tel: 781.674.9860 fax: 781.674.9861 www.pmdcorp.com

12 3 4 5 6 7...70

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