Stepper motor driver and controller with I2C Bus, microstepping features and stall detection

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Overview

The AMIS-30622 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. 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-30622 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.

  • 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

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Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

VM Min (V)

VM Max (V)

VCC Min (V)

VCC Max (V)

IO Max (A)

IO Peak Max (A)

Step Resolution

Control Type

Current Sense

Fault Detection

Pricing ($/Unit)

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AMIS30622C6227G

Last Shipments

Pb

A

H

P

SOIC-20W

2

260

TUBE

38

N

6

40

4.75

5.5

0.8

0.8

1/16

I2C

Fully Integrated

UVLO

Price N/A

More Details

AMIS30622C6228RG

Obsolete

Pb

A

H

P

NQFP-32

3

260

REEL

2500

N

6

40

4.75

5.5

0.8

0.8

1/16

I2C

Fully Integrated

Open Coil

Price N/A

More Details

AMIS30622C6227RG

Last Shipments

Pb

A

H

P

SOIC-20W

2

260

REEL

1500

N

6

40

4.75

5.5

0.8

0.8

1/16

I2C

Fully Integrated

UVLO

Price N/A

More Details

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