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. 680-7175
Mfr. Part No.A3966SLBTR-T
$5.17
Each
units
Stepper - Dual Full Bridge 0.65A - - 30 V Surface Mount SOIC W 5.5 V 16 4.75 V - -
RS Stock No. 178-1401
Mfr. Part No.L6207PD
$10.131
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 169-0420
Mfr. Part No.BD6211F-E2
BrandROHM
$2.399
Each (On a Reel of 2500)
units
Brushed DC - Full Bridge 1A - - 7 V Surface Mount SOP 5.5 V 8 3 V - -
RS Stock No. 172-9264
Mfr. Part No.A3966SLBTR-T
$4.223
Each (On a Reel of 3000)
units
Stepper - Dual Full Bridge 0.65A - - 30 V Surface Mount SOIC W 5.5 V 16 4.75 V - -
RS Stock No. 168-6790
Mfr. Part No.L293B
$5.038
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 1A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 699-6736
Mfr. Part No.BD6211F-E2
BrandROHM
$2.85
Each
units
Brushed DC - Full Bridge 1A - - 7 V Surface Mount SOP 5.5 V 8 3 V - -
RS Stock No. 923-2420
Mfr. Part No.LMD18201T/NOPB
$20.349
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 662-4441
Mfr. Part No.UC3770AN
$14.93
Each
units
Stepper - Bipolar 2A - - 45 V Through Hole PDIP 45 V 16 10 V - -
RS Stock No. 880-5294
Mfr. Part No.L293DD013TR
$6.312
Each (In a Pack of 5)
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V 5kHz -
RS Stock No. 178-5071
Mfr. Part No.L293DD013TR
$3.597
Each (On a Reel of 1000)
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V 5kHz -
RS Stock No. 714-0641
Mfr. Part No.L6207PD
$11.21
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 407-139
Mfr. Part No.LMD18201T/NOPB
$25.408
Each (In a Pack of 5)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 177-5541
Mfr. Part No.A3930KJPTR-T
$6.258
Each (On a Reel of 1500)
units
BLDC - 3 Phase - - - 50 V Surface Mount LQFP 50 V 48 5.5 V - -
RS Stock No. 168-8005
Mfr. Part No.E-L6219DS013TR
$2.15
Each (On a Reel of 1000)
units
Stepper - Dual Full Bridge 0.75A - - 46 V Surface Mount SOIC 46 V 24 10 V - -
RS Stock No. 624-8163
Mfr. Part No.L6227PD
$9.69
Each
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Surface Mount PowerSO 52 V 36 8 V 100kHz -
RS Stock No. 168-8018
Mfr. Part No.L6205N
$8.349
Each (In a Tube of 20)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Through Hole PDIP 52 V 20 8 V 100kHz -
RS Stock No. 121-9733
Mfr. Part No.DRV8833PWP
$3.03
Each (In a Tube of 90)
units
Stepper - Dual Full Bridge 0.7A - - 10.8 V Surface Mount HTSSOP 10.8 V 16 2.7 V 50kHz -
RS Stock No. 866-0225
Mfr. Part No.LMD18200T/NOPB
$22.037
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 753-2059
Mfr. Part No.A4975SLBTR-T
$7.64
Each
units
Stepper - Bipolar 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 4.5 V - -
RS Stock No. 714-7705
Mfr. Part No.E-L6258E
$9.97
Each
units
Stepper - Dual Full Bridge 1.2A - - 40 V Surface Mount PowerSO 40 V 36 12 V 18.5kHz -
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