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AMIS-30621

AMI SEMICONDUCTOR
Part Number AMIS-30621
Manufacturer AMI SEMICONDUCTOR
Description LIN Microstepping Motordriver
Published Nov 4, 2009
Detailed Description AMIS-30621 LIN Microstepping Motordriver General Description The AMIS-30621 is a member of a stepper motordriver family ...
Datasheet PDF File AMIS-30621 PDF File

AMIS-30621
AMIS-30621

Overview
AMIS-30621 LIN Microstepping Motordriver General Description The AMIS-30621 is a member of a stepper motordriver family with position controller and control/diagnostics interface integrated in one single chip.
The family consists of two products: • AMIS-30621 with LIN interface, ready to build dedicated mechatronics solutions connected remotely with a LIN master.
• AMIS-30622 with SERIAL interface, ready to act as peripheral device next to a microcontroller.
Data Sheet The chip receives high-level positioning instructions through the interface and subsequently drives the motor coils until the desired position is reached.
The on-chip position controller is configurable (OTP and Interface) for different motor types, positioning ranges and parameters for speed, acceleration, and deceleration.
The AMIS-30621 acts as a slave on the bus and the master can fetch specific status information like actual position, error flags, etc.
from each individual slave node.
Features Motordriver LIN Interface • Microstepping (1/2, 1/4, 1/8, 1/16) • Low resonance & noise • High resolution • Programmable peak current up to 800mA • 20kHz PWM current-control • Automatic selection of fast & slow decay mode • Internal fly-back FETs • Fully integrated current sense • 8V-29V supply voltage • Automotive compliant • Full diagnostics and status information Controller with RAM and OTP Memory • Physical - and data-link-layer (conform to LIN rev.
1.
3) • Dynamically allocated indentifiers • Up to 128 node addresses Protection • Over-current protection • Under-voltage management • Over-voltage protection • High-temp warning and shutdown • Low-temp warning • LIN bus short-circuit protection to supply & ground Power Saving • Position controller • Configurable speeds, acceleration and deceleration • Flexible hold-current • Movement/position sensor-input • Optional stall detection www.
DataSheet4U.
com • Power-down supply current <50µA • 5V regulator with wake-up on LIN activity EMI compatibility • ...


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