AMIS30621AUA

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1. Describe

AMIS30621AUA is a single chip micro stepping motor driver With position controller and control/diagnostic interface. It's ready Build a dedicated mechatronics solution for remote connection。 The chip receives positioning instructions through the bus and Then drive the motor coil to the desired position. This On-chip position controller can be configured (OTP or RAM) for Different motor types, positioning ranges and speed parameters, Accelerate and decelerate. AMIS-30621 as a slave The LIN bus and the host can obtain specific status information, such as The actual position, error flag, etc. from each individual slave node. The chip is implemented using I2T100 technology, which can achieve high The voltage analog circuit and the digital function are on the same chip. AMIS-30621 is fully compatible with automotive voltage Require.

2. Motordriver

    1. Micro−Stepping Technology

    2. Peak Current Up to 800 mA

    3. Fixed Frequency PWM Current−Control

    4. Automatic Selection of Fast and Slow Decay Mode

    5. No External Fly−Back Diodes Required

    6. Compliant with 14 V Automotive Systems and Industrial Systems Up to 24 V

3. Controller with RAM and OTP Memory

    1. Position Controller

    2. Configurable Speeds and Acceleration

    3. Input to Connect Optional Motion Switch

4. LIN Interface

    1. Physical Layer Compliant to LIN rev. 2.0. Data−Link Layer Compatible with LIN Rev. 1.3

    2. Field−Programmable Node Addresses

    3. Dynamically Allocated Identifiers

    4. Diagnostics and Status Information

5. Protection

    1. Overcurrent Protection

    2. Undervoltage Management

    3. Open−Circuit Detection

    4. High Temperature Warning and Management

    5. Low Temperature Flag

    6. LIN Bus Short−Circuit Protection to Supply and Ground

    7. Lost LIN Safe Operation

6. Power Saving

    1. Powerdown Supply Current < 50 A

    2. 5 V Regulator with Wake−up on LIN Activity

7. EMI Compatibility

    1. LIN Bus Integrated Slope Control

    2. HV Outputs with Slope Control

    3. These are Pb−Free Devices

8. Pin configuration

9. Pin description

10 . APPLICATIONS

The AMIS−30621 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.

11. Package overview