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Motor Driver/Controller, DC Brushless Servo, 4.5V to 5.5V supply, 2.4V/1.6 mA/8 Outputs, SOIC-24

LM629M-8 - Motor Driver/Controller, DC Brushless Servo, 4.5V to 5.5V supply, 2.4V/1.6 mA/8 Outputs, SOIC-24

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Product Overview

The LM629M-8 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.
  • 32-bit Position, velocity and acceleration registers
  • Programmable digital PID filter with 16-bit coefficients
  • Programmable derivative sampling interval
  • 8-bit Sign-magnitude PWM output data
  • Internal trapezoidal velocity profile generator
  • Velocity, target position and filter parameters may be changed during motion
  • Position and velocity modes of operation
  • Real-time programmable host interrupts
  • 8-bit Parallel asynchronous host interface
  • Quadrature incremental encoder interface with index pulse input
  • Green product and no Sb/Br


Motor Drive & Control, Signal Processing

Product Information

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DC Brushless Servo












MSL 3 - 168 hours
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