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. 906-3085
Mfr. Part No.BTN8982TAAUMA1
BrandInfineon
kr 61,64
Each (In a Pack of 2)
Units
BLDC - Half Bridge 55A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 124-8819
Mfr. Part No.BTN8982TAAUMA1
BrandInfineon
kr 38,464
Each (On a Reel of 1000)
Units
BLDC - - 55A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 428-304
Mfr. Part No.TB6559FG(O,8,EL)
BrandToshiba
kr 25,495
Each (In a Pack of 2)
Units
Brushed DC - Full Bridge 2.5A - - 30 V Surface Mount HSOP 30 V 18 10 V - -
RS Stock No. 636-384
Mfr. Part No.L298N
BrandMagnatec
kr 68,71
Each
Units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT V 46 V 15 4.8 V - -
RS Stock No. 165-8002
Mfr. Part No.L298N
BrandMagnatec
kr 58,284
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. 742-2873
Mfr. Part No.DRV8825PWP
kr 53,60
Each
Units
Stepper - Bipolar 1.8A - - 45 V Surface Mount HTSSOP 45 V 28 8.2 V 30kHz -
RS Stock No. 457-4252
Mfr. Part No.VAC2-2E-RFI
kr 675,22
Each
Units
BLDC - - 2A - - 600 V Panel Mount - 230 V - - - 2000Vrms
RS Stock No. 774-3634
Mfr. Part No.NUD3105DMT1G
Brandonsemi
kr 3,914
Each (In a Pack of 10)
Units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 103-5145
Mfr. Part No.NUD3105DMT1G
Brandonsemi
kr 1,616
Each (On a Reel of 3000)
Units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 738-5437
Mfr. Part No.DRV8823DCA
kr 48,05
Each
Units
Stepper - Quad Full Bridge 1A - - 32 V Surface Mount HTSSOP 32 V 48 8 V 50kHz -
RS Stock No. 370-6953
Mfr. Part No.L298N
kr 52,204
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. 791-9361
Mfr. Part No.STGIPS20C60
kr 159,05
Each
Units
AC Induction - 3 Phase 20A - - 600 V Through Hole SDIP - 25 - - -
RS Stock No. 172-9283
Mfr. Part No.A4970SLBTR-T
kr 24,849
Each (On a Reel of 3000)
Units
Stepper - Dual Full Bridge 0.75A - - 45 V Surface Mount SOIC W 45 V 24 7.45 V - -
RS Stock No. 168-7070
Mfr. Part No.STGIPS20C60
kr 146,171
Each (In a Tube of 11)
Units
AC Induction - 3 Phase 20A - - 600 V Through Hole SDIP - 25 - - -
RS Stock No. 753-2034
Mfr. Part No.A4970SLBTR-T
kr 44,57
Each
Units
Stepper - Dual Full Bridge 0.75A - - 45 V Surface Mount SOIC W 45 V 24 7.45 V - -
RS Stock No. 162-6148
Mfr. Part No.DRV8823DCA
kr 41,885
Each (In a Tube of 40)
Units
Stepper - Quad Full Bridge 1A - - 32 V Surface Mount HTSSOP 32 V 48 8 V 50kHz -
RS Stock No. 534-4276
Mfr. Part No.LMD18200T/NOPB
kr 246,78
Each
Units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 714-0635
Mfr. Part No.L6201PS
kr 80,99
Each
Units
Brushed DC - Full Bridge 4A - - 48 V Surface Mount PowerSO 48 V 20 12 V - -
RS Stock No. 168-6796
Mfr. Part No.L6208D
kr 29,265
Each (In a Tube of 32)
Units
Stepper - Bipolar 2.8A - - 52 V Surface Mount SOIC 52 V 24 8 V 100kHz -
RS Stock No. 168-6793
Mfr. Part No.L6201PS
kr 69,728
Each (In a Tube of 31)
Units
Brushed DC - Full Bridge 4A - - 48 V Surface Mount PowerSO 48 V 20 12 V - -