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. 680-7208
Mfr. Part No.A3977SLPTR-T
MYR19.97
Each
units
Stepper - Bipolar 2.5A - - 35 V Surface Mount TSSOP 5.5 V 28 3 V - -
RS Stock No. 753-2046
Mfr. Part No.A4973SLBTR-T
MYR15.30
Each
units
Brushed DC - Full Bridge 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 3 V 70kHz -
RS Stock No. 821-3052
Mfr. Part No.LB1938FA-BH
MYR5.24
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. 919-6488
Mfr. Part No.L6203
MYR25.81
Each (In a Tube of 25)
units
Brushed DC - Full Bridge 4A - - 48 V Through Hole MULTIWATT V 48 V 11 12 V 30kHz -
RS Stock No. 168-6319
Mfr. Part No.L6235PD
MYR27.89
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. 121-7925
Mfr. Part No.LB1938FA-BH
MYR2.825
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. 906-2978
Mfr. Part No.TLE52062SAKSA1
BrandInfineon
MYR25.985
Each (In a Pack of 2)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-220 40 V 7 - - -
RS Stock No. 172-9284
Mfr. Part No.A3977SLPTR-T
MYR18.843
Each (On a Reel of 4000)
units
Stepper - Bipolar 2.5A - - 35 V Surface Mount TSSOP 5.5 V 28 3 V - -
RS Stock No. 456-438
Mfr. Part No.L6208PD
MYR32.84
Each
units
Stepper - Bipolar 2.8A - - 52 V Surface Mount PowerSO 52 V 38 8 V 100kHz -
RS Stock No. 457-4252
Mfr. Part No.VAC2-2E-RFI
MYR311.04
Each
units
BLDC - - 2A - - 600 V Panel Mount - 230 V - - - 2000Vrms
RS Stock No. 165-8151
Mfr. Part No.TLE52062SAKSA1
BrandInfineon
MYR15.44
Each (In a Tube of 50)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-220 40 V 7 - - -
RS Stock No. 534-4276
Mfr. Part No.LMD18200T/NOPB
MYR72.03
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 172-9277
Mfr. Part No.A4973SLBTR-T
MYR15.304
Each (On a Reel of 3000)
units
Brushed DC - Full Bridge 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 3 V 70kHz -
RS Stock No. 752-7183
Mfr. Part No.BD7931F-E2
BrandROHM
MYR11.66
Each (In a Pack of 5)
units
Brushed DC - Full Bridge 500mA - - - Surface Mount SOP 14 V 8 4.5 V - -
RS Stock No. 680-7217
Mfr. Part No.A3979SLPTR-T
MYR30.51
Each
units
Stepper - Bipolar 2.5A - - 35 V Surface Mount TSSOP 5.5 V 28 3 V - -
RS Stock No. 919-6567
Mfr. Part No.L6208PD
MYR28.30
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. 102-3535
Mfr. Part No.L297D
MYR26.22
Each (In a Tube of 40)
units
Stepper - Bipolar - - - 7 V Surface Mount SOIC 7 V 20 4.75 V - -
RS Stock No. 215-9491
Mfr. Part No.NJM3772D2
MYR34.82
Each
units
Stepper - Bipolar 1A - - 45 V Through Hole PDIP 5.25 V 22 4.75 V - -
RS Stock No. 770-3680
Mfr. Part No.TB6560AHQ(O,8)
BrandToshiba
MYR21.08
Each
units
Stepper - Bipolar 3.5A - - - Through Hole HZIP 5.5 V 25 4.5 V 130kHz -
RS Stock No. 165-8002
Mfr. Part No.L298N
BrandMagnatec
MYR16.89
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 - -