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. 680-7197
Mfr. Part No.A3967SLBTR-T
TWD110.00
Each
units
Stepper - Bipolar 0.75A - - 30 V Surface Mount SOIC W 5.5 V 24 4.75 V - -
RS Stock No. 145-6845
Mfr. Part No.DRV8711DCP
TWD148.10
Each (In a Tube of 50)
units
Stepper - - 0.2A - - 52 V Surface Mount HTSSOP 52 V 38 8 V - -
RS Stock No. 172-9265
Mfr. Part No.A3967SLBTR-T
TWD64.60
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. 121-9870
Mfr. Part No.LB1830MC-AH
TWD31.90
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 0.5A - - 9 V Surface Mount SOIC 9 V 10 3 V - -
RS Stock No. 919-6567
Mfr. Part No.L6208PD
TWD229.90
Each (In a Tube of 31)
units
Stepper - Bipolar 2.8A - - 52 V Surface Mount PowerSO 52 V 38 8 V 100kHz -
RS Stock No. 121-8411
Mfr. Part No.L293DNE
TWD104.10
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. 125-0025
Mfr. Part No.MC33035DWG
TWD117.40
Each (In a Tube of 30)
units
BLDC - - - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 168-6795
Mfr. Part No.L6205PD
TWD193.20
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 162-6149
Mfr. Part No.DRV8830DGQR
TWD31.80
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 1A - - 6.8 V Surface Mount MSOP 6.8 V 10 2.75 V - -
RS Stock No. 162-7674
Mfr. Part No.DRV8837DSGT
TWD23.30
Each (On a Reel of 250)
units
Brushed DC - - - - - - Surface Mount WSON 11 V 8 0 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. 769-3873
Mfr. Part No.LB1948MC-AH
TWD63.00
Each
units
Stepper - Dual Full Bridge 0.8A - - 16 V Surface Mount MFP 16 V 10 2.5 V - -
RS Stock No. 172-9268
Mfr. Part No.A3950SLPTR-T
TWD100.50
Each (On a Reel of 4000)
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 123-0908
Mfr. Part No.STK5C4U332J-E
TWD277.00
Each
units
AC Induction - 3 Phase 3A - - 600 V Through Hole DIP - 24 - - -
RS Stock No. 370-6953
Mfr. Part No.L298N
TWD137.10
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. 753-2028
Mfr. Part No.A4950ELJTR-T
TWD101.00
Each
units
Brushed DC - Full Bridge 3.5A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 162-8569
Mfr. Part No.DRV8844PWP
TWD141.70
Each (In a Tube of 50)
units
Brushed DC - Quad Half Bridge 3.5A - - 60 V Surface Mount HTSSOP 60 V 28 8 V - -
RS Stock No. 788-6876
Mfr. Part No.LB1830MC-AH
TWD73.50
Each (In a Pack of 2)
units
Brushed DC - Full Bridge 0.5A - - 9 V Surface Mount SOIC 9 V 10 3 V - -
RS Stock No. 168-6319
Mfr. Part No.L6235PD
TWD226.50
Each (In a Tube of 31)
units
BLDC - 3 Phase 2.8A - - 52 V Surface Mount PowerSO 52 V 36 12 V 100kHz -
RS Stock No. 162-9795
Mfr. Part No.DRV8848PWP
TWD74.90
Each (In a Tube of 90)
units
Brushed DC - Dual Full Bridge 1A - - 18 V Surface Mount HTSSOP 18 V 16 4 V - -