Motor Driver ICs

Motor Driver ICs are current amplifiers, and are an essential component of motor interfacing. The motor driver integrated circuit chip acts as the interface between a microprocessor or microcontroller, and a motor. As microprocessors tend to operate at lower currents, and motors at higher, motor driver ICs are need to supply current to the motor as needed.

The RS Components range of Motor Driver ICs includes models from leading brands, in various types and configurations to support your design needs.

Applications

Motor Driver ICs are commonly used in robotics to drive DC motors from microcontrollers. They are an essential component in controlling motion in autonomous robots, and so are widely used in automation. They are also found in more common environments, such as office appliances and in automotive electronics.

Selecting a Motor Driver IC

As different motors have different signal requirements, a motor driver IC is usually specific to a motor type. RS Components offer motor drivers for brushless DC motors (BLDC,) brushed DC motors, and stepper motors. When choosing your motor driver IC, you should be aware of the type of motor you will be driving, as well as its power supply voltage range, and output current.

Brushed DC Motors can be used in anything from security cameras to ATM machines, depending on the required voltage. When selecting a motor driver for a brushed DC motor, it is important to ascertain whether speed control is needed, and what type of speed control is needed (such as thermistor, or voltage control.) You must then ascertain whether integrated or pre-driver type motor driver power. Additional features such as fault protection must also be considered.

Brushless DC Motors are typically used for driving cooling fans in electronics. They can be found in white goods such as washing machines and refrigerators, as well as in automotive applications. When selecting a driver control IC for a brushless motor driver, you must ascertain the whether a RD or FG output signal is required. Lastly the functionality requirements must be considered.

When selecting a stepper motor driver, you must consider the microstep resolution (such as full step or half step,) control input type (such as parallel or clock input) and the required function.

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Description Price Motor Type Configuration Output Configuration Maximum IGBT Collector Current Maximum Output Current Maximum Supply Voltage Maximum Collector Emitter Voltage Mounting Type Package Type Maximum Operating Supply Voltage Pin Count Minimum Operating Supply Voltage Typical Switching Frequency Maximum Isolation Rating
RS Stock No. 163-2432
Mfr. Part No.LV8548MC-AH
$1.163
Each (On a Reel of 2500)
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 769-3946
Mfr. Part No.LV8548MC-AH
$2.03
Each
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 163-2433
Mfr. Part No.LV8549MC-AH
$1.252
Each (On a Reel of 2500)
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 769-3949
Mfr. Part No.LV8549MC-AH
$2.26
Each
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 714-0622
Mfr. Part No.L293D
$6.45
Each
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 370-6953
Mfr. Part No.L298N
$6.322
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT V 46 V 15 4.8 V - -
RS Stock No. 172-9265
Mfr. Part No.A3967SLBTR-T
$4.916
Each (On a Reel of 3000)
units
Stepper - Bipolar 0.75A - - 30 V Surface Mount SOIC W 5.5 V 24 4.75 V - -
RS Stock No. 534-954
Mfr. Part No.NJM2670D2
$5.615
Each (In a Pack of 2)
units
Stepper - Dual Full Bridge 1.5A - - 60 V Through Hole PDIP - 22 - - -
RS Stock No. 680-7197
Mfr. Part No.A3967SLBTR-T
$4.94
Each
units
Stepper - Bipolar 0.75A - - 30 V Surface Mount SOIC W 5.5 V 24 4.75 V - -
RS Stock No. 169-8106
Mfr. Part No.NJM2670D2
$5.80
Each (In a Tube of 20)
units
Stepper - Dual Full Bridge 1.5A - - 60 V Through Hole PDIP - 22 - - -
RS Stock No. 921-0827
Mfr. Part No.ZXBM5210-S-13
$1.483
Each (In a Pack of 10)
units
Brushed DC - Full Bridge 0.5A - - 18 V Surface Mount SOIC 18 V 8 3 V 100kHz -
RS Stock No. 165-8467
Mfr. Part No.ZXBM5210-S-13
$0.759
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 0.5A - - 18 V Surface Mount SOIC 18 V 8 3 V 100kHz -
RS Stock No. 769-3858
Mfr. Part No.LB1848MC-BH
$2.07
Each
units
Stepper - Dual Full Bridge 0.8A - - 7.5 V Surface Mount SOIC 7.5 V 10 2.5 V - -
RS Stock No. 752-7016
Mfr. Part No.BA5826FP-E2
BrandROHM
$4.682
Each (In a Pack of 5)
units
BLDC - 4-channel BTL - - - - Surface Mount HSOP 9 V 28 4.5 V - -
RS Stock No. 752-7079
Mfr. Part No.BA6406F-E2
BrandROHM
$11.418
Each (In a Pack of 5)
units
BLDC - 2-phase Unipolar 70mA - - - Surface Mount SOP 28 V 8 4 V - -
RS Stock No. 102-3534
Mfr. Part No.L297/1
$9.30
Each (In a Tube of 20)
units
Stepper - Bipolar - - - 10 V Through Hole PDIP 7 V 20 4.75 V - -
RS Stock No. 699-6746
Mfr. Part No.BD6221F-E2
BrandROHM
$4.06
Each
units
Brushed DC - Full Bridge 1A - - 18 V Surface Mount SOP 15 V 8 6 V - -
RS Stock No. 169-0421
Mfr. Part No.BD6221F-E2
BrandROHM
$2.951
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 1A - - 18 V Surface Mount SOP 15 V 8 6 V - -
RS Stock No. 165-8002
Mfr. Part No.L298N
BrandMagnatec
$6.655
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT V 46 V 15 4.8 V - -
RS Stock No. 636-384
Mfr. Part No.L298N
BrandMagnatec
$7.83
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT V 46 V 15 4.8 V - -
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