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. 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
TWD21.20
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. 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. 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. 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. 864-9035
Mfr. Part No.FNB41560
TWD453.00
Each
units
AC Induction - 3 Phase 15A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 20kHz 2000Vrms
RS Stock No. 166-2040
Mfr. Part No.FNB41560
TWD399.20
Each (In a Tube of 72)
units
AC Induction - 3 Phase 15A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 20kHz 2000Vrms
RS Stock No. 166-1897
Mfr. Part No.FSBB20CH60C
TWD565.00
Each (In a Tube of 60)
units
- - - - - - 600 V Through Hole SPM27 CC - 27 - - -
RS Stock No. 739-5080
Mfr. Part No.FSBB20CH60C
TWD698.00
Each
units
- - - - - - 600 V Through Hole SPM27 CC - 27 - - -
RS Stock No. 145-3283
Mfr. Part No.STK5C4U332J-E
TWD270.60
Each (In a Tube of 16)
units
AC Induction - 3 Phase 3A - - 600 V Through Hole DIP - 24 - - -
RS Stock No. 769-3873
Mfr. Part No.LB1948MC-AH
TWD69.00
Each
units
Stepper - Dual Full Bridge 0.8A - - 16 V Surface Mount MFP 16 V 10 2.5 V - -
RS Stock No. 125-0025
Mfr. Part No.MC33035DWG
TWD138.40
Each (In a Tube of 30)
units
BLDC - - - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 163-2392
Mfr. Part No.LB1948MC-AH
TWD30.20
Each (On a Reel of 1000)
units
Stepper - Dual Full Bridge 0.8A - - 16 V Surface Mount MFP 16 V 10 2.5 V - -
RS Stock No. 123-0908
Mfr. Part No.STK5C4U332J-E
TWD299.00
Each
units
AC Induction - 3 Phase 3A - - 600 V Through Hole DIP - 24 - - -
RS Stock No. 163-2391
Mfr. Part No.LB1930MC-AH
TWD20.80
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 1A - - 10.8 V Surface Mount SOIC 10.8 V 10 2.2 V - -
RS Stock No. 769-3860
Mfr. Part No.LB1930MC-AH
TWD52.00
Each
units
Brushed DC - Full Bridge 1A - - 10.8 V Surface Mount SOIC 10.8 V 10 2.2 V - -
RS Stock No. 788-6937
Mfr. Part No.LV8401V-TLM-E
TWD32.00
Each (In a Pack of 2)
units
Brushed DC - Full Bridge 1.2A - - 5 V Surface Mount SSOP 5.5 V 16 2.7 V 200kHz -
RS Stock No. 788-6902
Mfr. Part No.LC75700T-TLM-E
TWD80.50
Each (In a Pack of 2)
units
- - - - - - - Surface Mount TSSOP 5.5 V 20 2.7 V 38kHz -
RS Stock No. 864-9016
Mfr. Part No.FNA41060B2
TWD461.00
Each
units
AC Induction - 3 Phase 10A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
RS Stock No. 103-5145
Mfr. Part No.NUD3105DMT1G
TWD5.40
Each (On a Reel of 3000)
units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -