LM629M-8

TEXAS INSTRUMENTS  LM629M-8  芯片, 电机控制器

The is a dedicated Motion-control Processor designed for use with a variety of DC and brushless DC servo motors and other servomechanisms which provide a quadrature incremental position feedback signal. The parts perform the intensive, real-time computational tasks required for high performance digital motion control. The host control software interface is facilitated by a high-level command set. It has an 8-bit output which can drive either an 8-bit or a 12-bit DAC. The components required to build a servo system are reduced to the DC motor/actuator, an incremental encoder, a DAC and a power amplifier. An LM629-based system is similar, except that it provides an 8-bit PWM output for directly driving H-switches. It incorporates an SDA core processor and cells designed by SDA.

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32-bit Position, velocity and acceleration registers

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Programmable digital PID filter with 16-bit coefficients

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Programmable derivative sampling interval

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8-bit Sign-magnitude PWM output data

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Internal trapezoidal velocity profile generator

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Velocity, target position and filter parameters may be changed during motion

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Position and velocity modes of operation

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Real-time programmable host interrupts

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8-bit Parallel asynchronous host interface

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Quadrature incremental encoder interface with index pulse input

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Green product and no Sb/Br