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
TWD141.00
Each
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 866-0225
Mfr. Part No.LMD18200T/NOPB
TWD740.70
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 534-4276
Mfr. Part No.LMD18200T/NOPB
TWD820.00
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 821-3052
Mfr. Part No.LB1938FA-BH
TWD50.90
Each (In a Pack of 10)
units
Brushed DC - Full Bridge 0.8A - - 10 V Surface Mount MSOP 10 V 8 2.2 V - -
RS Stock No. 121-7925
Mfr. Part No.LB1938FA-BH
TWD23.30
Each (On a Reel of 4000)
units
Brushed DC - Full Bridge 0.8A - - 10 V Surface Mount MSOP 10 V 8 2.2 V - -
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
TWD163.00
Each
units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 121-6503
Mfr. Part No.MC33039DR2G
TWD22.40
Each (On a Reel of 2500)
units
BLDC - - - 20mA - 7.5 V Surface Mount SOIC 9 V 8 5.5 V - -
RS Stock No. 806-3349
Mfr. Part No.MC33039DR2G
TWD49.90
Each (In a Pack of 10)
units
BLDC - - - 20mA - 7.5 V Surface Mount SOIC 9 V 8 5.5 V - -
RS Stock No. 165-8467
Mfr. Part No.ZXBM5210-S-13
TWD16.00
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. 922-2186
Mfr. Part No.LMD18245T/NOPB
TWD659.30
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 15 12 V - -
RS Stock No. 686-8534
Mfr. Part No.L6227N
TWD192.00
Each
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Through Hole PDIP 52 V 24 8 V - -
RS Stock No. 761-6188
Mfr. Part No.LMD18245T/NOPB
TWD715.00
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 15 12 V - -
RS Stock No. 165-8002
Mfr. Part No.L298N
BrandMagnatec
TWD147.20
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. 921-0827
Mfr. Part No.ZXBM5210-S-13
TWD31.30
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. 714-7715
Mfr. Part No.L298P
TWD198.00
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V - -
RS Stock No. 636-384
Mfr. Part No.L298N
BrandMagnatec
TWD177.00
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT V 46 V 15 4.8 V - -
RS Stock No. 168-6480
Mfr. Part No.L6227N
TWD165.10
Each (In a Tube of 15)
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Through Hole PDIP 52 V 24 8 V - -
RS Stock No. 168-8919
Mfr. Part No.L298P013TR
TWD122.10
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
TWD208.00
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. 124-6484
Mfr. Part No.BD6232HFP-TR
BrandROHM
TWD174.50
Each (In a Pack of 2)
units
Brushed DC - - 2A - - - Surface Mount HRP7 32 V 7 6 V - -