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Variants

Stepper Motors Series AM2224

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current:

37 mNm

Step angle (full step):

15 °

Diameter:

22 mm

Length:

27.7 mm

Advantages

Cost effective positioning drive without encoder

High power density

Very high acceleration

Extremely fast change of direction possible

Long-lasting

Wide operating temperature range

Full-, half- and micro-stepping operation possible

Extremely low rotor inertia

Variants:

Series AM22242R100010

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R100012

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R100014

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R050010

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R050012

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R050014

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R025010

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R025012

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R025014

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R012510

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R012512

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Series AM22242R012514

M_{H Boost} : Holding torque at boosted current : 37 mNm |∡ angle : Step angle (full step) : 15 ° |Ø : Diameter : 22 mm |L : Length : 27.7 mm

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		1 A
Boosted current per phase (both phases ON)		2 A
Phase resistance		0.9 Ω
Phase inductance (1 kHz)		0.9 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		3.8 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		1 A
Boosted current per phase (both phases ON)		2 A
Phase resistance		0.9 Ω
Phase inductance (1 kHz)		0.9 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		3.8 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		1 A
Boosted current per phase (both phases ON)		2 A
Phase resistance		0.9 Ω
Phase inductance (1 kHz)		0.9 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		3.8 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.5 A
Boosted current per phase (both phases ON)		1 A
Phase resistance		4.8 Ω
Phase inductance (1 kHz)		4.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		8.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.5 A
Boosted current per phase (both phases ON)		1 A
Phase resistance		4.8 Ω
Phase inductance (1 kHz)		4.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		8.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.5 A
Boosted current per phase (both phases ON)		1 A
Phase resistance		4.8 Ω
Phase inductance (1 kHz)		4.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		8.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		18 Ω
Phase inductance (1 kHz)		16.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		16.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		18 Ω
Phase inductance (1 kHz)		16.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		16.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		18 Ω
Phase inductance (1 kHz)		16.3 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		16.3 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.125 A
Boosted current per phase (both phases ON)		0.25 A
Phase resistance		75 Ω
Phase inductance (1 kHz)		65.6 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		32.7 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.125 A
Boosted current per phase (both phases ON)		0.25 A
Phase resistance		75 Ω
Phase inductance (1 kHz)		65.6 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		32.7 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.125 A
Boosted current per phase (both phases ON)		0.25 A
Phase resistance		75 Ω
Phase inductance (1 kHz)		65.6 mH
Holding torque (at nominal current in both phases)		22 mNm
Holding torque at boosted current		37 mNm
Residual torque, typ.		1.47 mNm
Back-EMF amplitude		32.7 V/k step/s
Electrical time constant		1.7 ms
Rotor inertia		253 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy		10 %
Angular acceleration, max.		146 ·10³ rad/s²
Resonance frequency (at no load)		45 Hz
Thermal resistance		4.8 / 20.4 K/W
Thermal time constant		10 / 620 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		43 g
Magnet material		NdFeB

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 4x to 8x higher than the nominal voltage.

Curves measured with a load inertia of 600·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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3D-CAD Files

Application note

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AN 001 - Stepper motor basics

pdf

AN 002 - Reading and understanding a torque curve

pdf

AN 003 - Drivers and controllers: how to drive a stepper motor?

pdf

AN 004 - When and why using an encoder

pdf

AN 005 - Stepper motors and Gearheads

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AN 006 - How to get a linear motion from a stepper motor?

pdf

AN 006-001 - Linear motion – Maximal axial loads

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AN 006 - Lead Screw

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AN 007 - Recommendations for soldering a cable on a stepper motor

pdf

AN 008 - Thermal behavior of a stepper motor

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AN 009 - Choosing the proper lubricant

pdf

AN 010 - Cables and connectors options

pdf

AN 011 - Final quality control data

pdf

AN 012 - Custom solutions (A and E number)

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AN 013 - Improving reliability: redundant stepper motor

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AN 014 - Using the stepper motor HTML animation

pdf

AN 015 - Microstepping

pdf

AN 020 - Large DM Steppers connection

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AN 022 - Torque and Temperature Calculator user guide

Your Choice

Selected Variant

Series AM22242R100010

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R100012

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R100014

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R050010

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R050012

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R050014

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R025010

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R025012

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R025014

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R012510

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R012512

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm

Selected Variant

Series AM22242R012514

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 37 mNm

Step angle (full step): 15 °

Diameter: 22 mm

Length: 27.7 mm