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AMIS-30512: Microstepping motor driver

Datasheet: Microstepping Motor Driver
Rev. 1 (414.0kB)
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The AMIS-30512 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. It has an on-chip voltage regulator, reset-output and watchdog reset, able to supply peripheral devices. The AMIS-30512 contains a current-translation table and takes the next micro-step depending on the clock signal on the NXT input pin and the status of the DIR (direction) register or input pin. The chip provides a so-called speed and load angle output. This allows the creation of stall detection algorithms and control loops based on load-angle to adjust torque and speed. It uses a proprietary PWM algorithm for reliable current control.
The AMIS-30512 is implemented in I2T100 technology, enabling both high voltage analog circuitry and digital functionality on the same chip. The chip is fully compatible with the automotive voltage requirements.
The AMIS-30512 is ideally suited for general purpose stepper motor applications in the automotive, industrial, medical, and marine environment.
特性
 
  • Dual H-bridge for 2-phase stepper motors
  • Programmable peak-current up to 800 mA using a 5-bit current DAC
  • On-chip current translator
  • SPI interface
  • Speed and load angle output
  • Seven step modes from full-step up to 32 micro-steps
  • Fully integrated current-sense
  • PWM current control with automatic selection of fast and slow decay
  • Low EMC PWM with selectable voltage slopes
  • Active fly-back diodes
  • Full output protection and diagnosis
  • Thermal warning and shutdown
  • Compatible with 3.3 V microcontrollers, 5.0 V tolerant inputs
  • Integrated 5.0 V regulator to supply external microcontroller
  • Integrated reset function to reset external microcontroller
  • Integrated watchdog function
应用   终端产品
  • Pan, tilt, zoom motor control
  • Integrated, local control mounted to motors
  • Flaps and valves in building and process
  • Positioning
 
  • Security cameras
  • Smart motors (integrated drivers)
  • Sewing machines
  • Building automation
  • Pick-and-place, office equipment
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
AM305122R1DBGEVB Active
Pb-free
Daughter Board SPI Stepper Driver Voltage Regulator SOIC Evaluation Board
AMIS305XXGEVK Consult Sales Office
Pb-free
Industrial Stepper Motor Driver Evaluation Kit 305XX Family
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
AMIS30512C5122RG Lifetime
Pb-free
Halide free
AMIS-30512 SOIC-24 751AW 2 260 Tape and Reel 1500 $2.3733
市场订货至交货的时间(周) : Contact Factory
外形
751AW   
AMIS-30512: Microstepping motor driver
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