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AMIS-30623

ON Semiconductor
Part Number AMIS-30623
Manufacturer ON Semiconductor
Description Micro-stepping Motor Driver
Published Nov 4, 2009
Detailed Description AMIS-30623 Micro-stepping Motor Driver INTRODUCTION The AMIS−30623 is a single−chip micro−stepping motordriver with po...
Datasheet PDF File AMIS-30623 PDF File

AMIS-30623
AMIS-30623

Overview
AMIS-30623 Micro-stepping Motor Driver INTRODUCTION The AMIS−30623 is a single−chip micro−stepping motordriver with position controller and control/diagnostic interface.
It is ready to build dedicated mechatronics solutions connected remotely with a LIN master.
The chip receives positioning instructions through the bus and subsequently drives the motor coils 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.
The AMIS−30623 acts as a slave on the LIN bus and the master can fetch specific status information like actual position, error flags, etc.
from each individual slave node.
An integrated sensor−less step−loss detection prevents the positioner from loosing steps and 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−30623 is fully compatible with the automotive voltage requirements.
http://onsemi.
com SOIC−20 8 or 9 SUFFIX CASE 751AQ PRODUCT FEATURES Motordriver • Micro−stepping Technology • Sensorless Step−loss Detection • Peak Current up to 800 mA • Fixed Frequency PWM Current−control • Automatic Selection of Fast and Slow Decay Mode • No external Fly−back Diodes Required • Compliant with 14 V Automotive Systems and Industrial Systems up to 24 V • Motion Qualification Mode (Note 1) Controller with RAM and OTP Memory • Position Controller • Configurable Speeds and Acceleration • Input to Connect Optional Motion Switch LIN Interface • Physical Layer Compliant to LIN rev.
2.
0.
Data−link Layer Compatible with LIN rev.
1.
3 (Note 2) • Field−programmable Node Addresses • Dynamically Allocated Identifiers • Diagnostics and Status Information ...


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