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. 370-6953
Mfr. Part No.L298N
£3.655
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. 534-954
Mfr. Part No.NJM2670D2
£2.985
Each (In a Pack of 2)
Units
Stepper - Dual Full Bridge 1.5A - - 60 V Through Hole PDIP - 22 - - -
RS Stock No. 169-8106
Mfr. Part No.NJM2670D2
£2.715
Each (In a Tube of 20)
Units
Stepper - Dual Full Bridge 1.5A - - 60 V Through Hole PDIP - 22 - - -
RS Stock No. 166-2039
Mfr. Part No.FNC42060F2
£6.251
Each (In a Tube of 72)
Units
AC Induction - 3 Phase 20A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
RS Stock No. 864-9032
Mfr. Part No.FNC42060F2
£6.36
Each
Units
AC Induction - 3 Phase 20A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
RS Stock No. 680-7181
Mfr. Part No.A3950SLPTR-T
£2.82
Each
Units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 172-9268
Mfr. Part No.A3950SLPTR-T
£1.654
Each (On a Reel of 4000)
Units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 880-5298
Mfr. Part No.L293E
£2.93
Each (In a Pack of 5)
Units
Brushed DC - Dual Full Bridge 1A - - 36 V Through Hole PowerDIP 36 V 20 4.5 V - -
RS Stock No. 168-8918
Mfr. Part No.L293E
£2.499
Each (In a Tube of 20)
Units
Brushed DC - Dual Full Bridge 1A - - 36 V Through Hole PowerDIP 36 V 20 4.5 V - -
RS Stock No. 921-0827
Mfr. Part No.ZXBM5210-S-13
£0.745
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. 165-8467
Mfr. Part No.ZXBM5210-S-13
£0.402
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. 457-4252
Mfr. Part No.VAC2-2E-RFI
£46.63
Each
Units
BLDC - - 2A - - 600 V Panel Mount - 230 V - - - 2000Vrms
RS Stock No. 714-7746
Mfr. Part No.VNH3SP30TR-E
£5.94
Each
Units
Brushed DC - Full Bridge 30A - - 40 V Surface Mount MultiPowerSO 36 V 30 5.5 V 10kHz -
RS Stock No. 920-6285
Mfr. Part No.VNH3SP30TR-E
£3.371
Each (On a Reel of 1000)
Units
Brushed DC - Full Bridge 30A - - 40 V Surface Mount MultiPowerSO 36 V 30 5.5 V 10kHz -
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
£3.33
Each
Units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 742-2873
Mfr. Part No.DRV8825PWP
£3.59
Each
Units
Stepper - Bipolar 1.8A - - 45 V Surface Mount HTSSOP 45 V 28 8.2 V 30kHz -
RS Stock No. 163-2432
Mfr. Part No.LV8548MC-AH
£0.392
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. 181-8442
Mfr. Part No.L6202
£5.62
Each
Units
Brushed DC - Full Bridge 1.5A - - 48 V Through Hole PDIP 48 V 18 12 V - -
RS Stock No. 769-3946
Mfr. Part No.LV8548MC-AH
£2.00
Each
Units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 919-6484
Mfr. Part No.L6202
£5.086
Each (In a Tube of 20)
Units
Brushed DC - Full Bridge 1.5A - - 48 V Through Hole PDIP 48 V 18 12 V - -
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