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 needed 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 a 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 whether an RD or FG output signal is required. Lastly, the functionality requirements must be considered.

When selecting a stepper motor driver, you must consider the micro-step 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. 714-0622
Mfr. Part No.L293D
MYR16.95
Each
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 770-3797
Mfr. Part No.TB6612FNG(O,C,8,EL
BrandToshiba
MYR8.17
Each
units
Brushed DC - Dual Full Bridge 3.2A - - 15 V Surface Mount SSOP 5.5 V 24 2.7 V 100kHz -
RS Stock No. 920-6204
Mfr. Part No.E-L6258EX
MYR21.335
Each (In a Tube of 31)
units
Stepper - Dual Full Bridge 1.5A - - 40 V Surface Mount PowerSO 40 V 36 12 V - -
RS Stock No. 526-868
Mfr. Part No.L293DNE
MYR13.84
Each (In a Pack of 5)
units
- - Quad Half Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 168-6894
Mfr. Part No.E-L6258EXTR
MYR20.898
Each (On a Reel of 600)
units
Stepper - Dual Full Bridge 1.5A - - 40 V Surface Mount PowerSO 40 V 36 12 V - -
RS Stock No. 714-7718
Mfr. Part No.E-L6258EXTR
MYR26.85
Each
units
Stepper - Dual Full Bridge 1.5A - - 40 V Surface Mount PowerSO 40 V 36 12 V - -
RS Stock No. 121-8411
Mfr. Part No.L293DNE
MYR12.733
Each (In a Tube of 25)
units
Brushed DC - Quad Half Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 714-7709
Mfr. Part No.E-L6258EX
MYR27.99
Each
units
Stepper - Dual Full Bridge 1.5A - - 40 V Surface Mount PowerSO 40 V 36 12 V - -
RS Stock No. 168-8919
Mfr. Part No.L298P013TR
MYR18.039
Each (On a Reel of 600)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V 25kHz -
RS Stock No. 880-5308
Mfr. Part No.L298P013TR
MYR22.98
Each (In a Pack of 5)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V 25kHz -
RS Stock No. 178-1402
Mfr. Part No.L6206PD
MYR22.792
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 714-0647
Mfr. Part No.L6206PD
MYR28.69
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 920-6210
Mfr. Part No.L298P
MYR20.942
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V - -
RS Stock No. 770-3683
Mfr. Part No.TB6552FNG(O,8,EL)
BrandToshiba
MYR5.29
Each
units
Brushed DC - Dual Full Bridge 1A - - - Surface Mount SSOP 5.5 V 16 2.7 V 100kHz -
RS Stock No. 714-7715
Mfr. Part No.L298P
MYR25.80
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V - -
RS Stock No. 769-3946
Mfr. Part No.LV8548MC-AH
MYR5.40
Each
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 163-2432
Mfr. Part No.LV8548MC-AH
MYR2.581
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. 534-4276
Mfr. Part No.LMD18200T/NOPB
MYR101.51
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 457-4252
Mfr. Part No.VAC2-2E-RFI
MYR286.16
Each
units
BLDC - - 2A - - 600 V Panel Mount - 230 V - - - 2000Vrms
RS Stock No. 456-438
Mfr. Part No.L6208PD
MYR35.17
Each
units
Stepper - Bipolar 2.8A - - 52 V Surface Mount PowerSO 52 V 38 8 V 100kHz -