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On Semi AMIS-30624 I2C微步进马达驱动妄图

宣布时间:2011年07月11日 13:07    宣布者:1770309616
要害词: AMIS-30624 , I2C , On-Semi , 微步进马达
On Semi公司的AMIS-30624是I2C接口的单片微步进马达驱动器,网罗职位控制器和控制/诊断接口。马达控制部门接纳微步进手艺,无传感器停转检测,峰值电流高达800mA,结实频率PWM电流控制和可选择PWM频率,快慢衰减形式自动选择,12V/24V兼容,主要用在汽车电子,修建物自动化如HVAC,监测,卫星天线,可再生动力等。本文简介了AMIS-30624主要特点,方框图,应用电路和评价板AM306244R1DBGEVB主要特点,电路图和质料清单。

The AMIS-30624 is a single-chip micro-stepping motor driver with a position controller and control/diagnostic interface. It is ready to build intelligent peripheral systems where up to 32 drivers can be connected to one I2C master. This significantly reduces system complexity.

The chip receives positioning instructions through the bus and subsequently drives the stator coils so the two-phase stepper motor moves to the desired position. The on-chip position controller is configurable (OTP or RAM) for different motor types, positioning ranges and parameters for speed, acceleration and deceleration. Micro-stepping allows silent motor operation and increased positioning resolution. The advanced motion qualification mode enables verification of the complete mechanical system in function of the selected motion parameters. The AMIS-30624 can easily be connected to an I2C bus where the I2C master can fetch specific status information like actual position, error flags, etc. from each individual slave node.

An integrated sensorless stall detection stops the motor when running into stall. This enables silent, yet accurate position calibrations during a referencing run and allows semi-closed loop operation when approaching the mechanical end-stops.

The chip is implemented in I2T100 technology, enabling both high voltage analog circuitry and digital functionality on the same chip. The AMIS-30624 is fully compatible with the automotive voltage requirements.

AMIS-30624主要特点:

Motor Driver

Micro-stepping technology

Sensorless stall detection

Peak current up to 800mA

Fixed frequency PWM current-control

Selectable PWM frequency

Automatic selection of fast and slow decay mode

No external fly-back diodes required

14V/24V compliant

Motion qualification mode

Controller with RAM and OTP memory

Position controller

Configurable speeds and acceleration

Input to connect optional motion switch

I2C interface

Bi-directional 2-wire bus for Inter IC Control

Field programmable node addresses

Full diagnostics and status information

Protection

Over-current protection

Under-voltage management

Open circuit detection

High-temp warning and management

Low-temp flag

EMI compatibility

High voltage outputs with slope control

HV outputs with slope control

AMIS-30624应用:

The AMIS-30624 is ideally suited for small positioning applications. Target markets include: automotive (headlamp alignment, HVAC, idle control, cruise control), industrial equipment (lighting, fluid control, labeling, process control, XYZ tables, robots) and building automation (HVAC, surveillance, satellite dish, renewable energy systems). Suitable applications typically have multiple axes or require mechatronic solutions with the driver chip mounted directly on the motor.
20110711112532913.gif
图1。AMIS-30624方框图
20110711112533305.gif
图2。AMIS-30624尺度应用电路图

评价板AM306244R1DBGEVB

The AM306244R1DBGEVB is a form factor daughter board providing a complete solution driving bipolar stepper motors. In conjunction with the evaluation kit AMIS3062XGEVK it forms an I&sup2;C based solution turning high level commands from an I&sup2;C master in well defined motions. The design can be programmed to detect and act on mechanical blocking of the rotor. It also incorporates the lowest bill of materials, small board size and perfect matched thermal resistance allowing driving 800 mA at elevated ambient temperature.

Note: This board must be used with the AMIS3062XGEVK Industrial Stepper Motor Driver Kit.

20110711112533201.gif
图3。评价板AM306244R1DBGEVB形状图

评价板AM306244R1DBGEVB特点:

Low bill of materials

Small form factor (25mm x 24mm)

Plug and Play in combination with AMIS3062XGEVK

I&sup2;C interface

Microstepping (1/2, 1/4, 1/8, 1/16)

Peak current of 800mA

8V-29V supply voltage

Automotive compliant

Full diagnostics and status information

Position controller

Configurable speeds, acceleration and deceleration

Programmable hold and run current

评价板AM306244R1DBGEVB应用:

Flap control in HVAC systems

Headlamp Positioning systems

Pan - tilt - zoom function in Surveillance Camera

Mechatronic modules

X-Y-Z tables

Printers

Industrial robots

Pick-and-place machines

Dose pumps

Event lighting
20110711112534868.gif
图4。评价板AM306244R1DBGEVB电路图

评价板AM306244R1DBGEVB质料清单(BOM):
20110711112534319.gif
概略请见:


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Liming 揭晓于 2011-9-27 00:15:30
概略请见:

AM306244R1DBGEVB_SCHEMATIC[1].pdf

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30624-D[1].pdf

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