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. 724-8710
Mfr. Part No.A4982SLPTR
$8.15
Each
units
Stepper - Bipolar 2A - - 35 V Surface Mount TSSOP 35 V 24 8 V - -
RS Stock No. 169-3293
Mfr. Part No.L6506
$4.69
Each
units
Stepper - - - - - 7 V Through Hole PDIP 7 V 18 4.5 V - -
RS Stock No. 165-7508
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
$7.993
Each (On a Reel of 1000)
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS Stock No. 919-6484
Mfr. Part No.L6202
$8.602
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 1.5A - - 48 V Through Hole PDIP 48 V 18 12 V - -
RS Stock No. 753-2034
Mfr. Part No.A4970SLBTR-T
$5.28
Each
units
Stepper - Dual Full Bridge 0.75A - - 45 V Surface Mount SOIC W 45 V 24 7.45 V - -
RS Stock No. 726-4068
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
$11.26
Each
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS Stock No. 919-8803
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
$4.617
Each (On a Reel of 1000)
units
BLDC - Half Bridge 20A - - 18 V Surface Mount TO-263 28 V 7 5.5 V 25kHz -
RS Stock No. 181-8442
Mfr. Part No.L6202
$10.26
Each
units
Brushed DC - Full Bridge 1.5A - - 48 V Through Hole PDIP 48 V 18 12 V - -
RS Stock No. 920-6216
Mfr. Part No.L298HN
$6.278
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT H 7 V 15 4.5 V - -
RS Stock No. 407-139
Mfr. Part No.LMD18201T/NOPB
$23.098
Each (In a Pack of 5)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 172-9283
Mfr. Part No.A4970SLBTR-T
$6.029
Each (On a Reel of 3000)
units
Stepper - Dual Full Bridge 0.75A - - 45 V Surface Mount SOIC W 45 V 24 7.45 V - -
RS Stock No. 102-3536
Mfr. Part No.L6506
$4.08
Each (In a Tube of 20)
units
Stepper - - - - - 7 V Through Hole PDIP 7 V 18 4.5 V - -
RS Stock No. 172-9275
Mfr. Part No.A4982SLPTR
$5.32
Each (On a Reel of 4000)
units
Stepper - Bipolar 2A - - 35 V Surface Mount TSSOP 35 V 24 8 V - -
RS Stock No. 456-434
Mfr. Part No.L298HN
$7.64
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT H 7 V 15 4.5 V - -
RS Stock No. 753-2850
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
$8.84
Each
units
BLDC - Half Bridge 20A - - 18 V Surface Mount TO-263 28 V 7 5.5 V 25kHz -
RS Stock No. 906-4337
Mfr. Part No.TLE52062GAUMA1
BrandInfineon
$6.25
Each (In a Pack of 2)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-263 40 V 7 - - -
RS Stock No. 806-3349
Mfr. Part No.MC33039DR2G
$1.913
Each (In a Pack of 10)
units
BLDC - - - 20mA - 7.5 V Surface Mount SOIC 9 V 8 5.5 V - -
RS Stock No. 159-7489
Mfr. Part No.MCP8063-E/MD
BrandMicrochip
$1.542
Each (In a Tube of 91)
units
BLDC - 3 Phase 1.5A - - 14 V Surface Mount DFN 14 V 8 2 V - -
RS Stock No. 457-4252
Mfr. Part No.VAC2-2E-RFI
$60.57
Each
units
BLDC - - 2A - - 600 V Panel Mount - 230 V - - - 2000Vrms
RS Stock No. 178-7430
Mfr. Part No.BTM7811KAUMA1
BrandInfineon
$11.94
Each (On a Reel of 500)
units
BLDC - Full Bridge 42A - - 40 V Surface Mount TO-263 42 V 15 - - -
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