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LM629M-6/NOPB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电机驱动器
封装:
SOIC-24
描述:
TEXAS INSTRUMENTS LM629M-6/NOPB 芯片, 精密运动控制器
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LM629M-6/NOPB数据手册
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LM628, LM629
www.ti.com
SNVS781C –JUNE 1999–REVISED MARCH 2013
LM628/LM629 Precision Motion Controller
Check for Samples: LM628, LM629
1
FEATURES
DESCRIPTION
The LM628/LM629 are dedicated motion-control
2
• 32-bit Position, Velocity, And Acceleration
processors designed for use with a variety of DC and
Registers
brushless DC servo motors, and other
• Programmable Digital PID Filter with 16-bit
servomechanisms which provide a quadrature
Coefficients
incremental position feedback signal. The parts
perform the intensive, real-time computational tasks
• Programmable Derivative Sampling Interval
required for high performance digital motion control.
• 8- or 12-bit DAC Output Data (LM628)
The host control software interface is facilitated by a
• 8-bit Sign-magnitude PWM Output Data
high-level command set. The LM628 has an 8-bit
(LM629)
output which can drive either an 8-bit or a 12-bit
DAC. The components required to build a servo
• Internal Trapezoidal Velocity Profile Generator
system are reduced to the DC motor/actuator, an
• Velocity, Target Position, and Filter
incremental encoder, a DAC, a power amplifier, and
Parameters may be Changed During Motion
the LM628. An LM629-based system is similar,
• Position and Velocity Modes of Operation
except that it provides an 8-bit PWM output for
directly driving H-switches. The parts are fabricated in
• Real-time Programmable Host Interrupts
NMOS and packaged in a 28-pin dual in-line package
• 8-bit Parallel Asynchronous Host Interface
or a SOIC-24 package (LM629 only). Both 6 MHz and
• Quadrature Incremental Encoder Interface with
8 MHz maximum frequency versions are available
Index Pulse Input
with the suffixes -6 and -8, respectively, used to
designate the versions. They incorporate an SDA
• Available in a 28-pin Dual In-line Package or a
core processor and cells designed by SDA.
SOIC-24 Package (LM629 Only)
Figure 1. Block Diagram
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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