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. 753-2028
Mfr. Part No.A4950ELJTR-T
HK$28.70
Each
units
Brushed DC - Full Bridge 3.5A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 172-9266
Mfr. Part No.A4950ELJTR-T
HK$26.393
Each (On a Reel of 3000)
units
Brushed DC - Full Bridge 3.5A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 636-384
Mfr. Part No.L298N
BrandMagnatec
HK$44.06
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
HK$35.283
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. 162-7674
Mfr. Part No.DRV8837DSGT
HK$8.677
Each (On a Reel of 250)
units
Brushed DC - - - - - - Surface Mount WSON 11 V 8 0 V - -
RS Stock No. 813-6497
Mfr. Part No.DRV8837DSGT
HK$12.026
Each (In a Pack of 10)
units
Brushed DC - - - - - - Surface Mount WSON 11 V 8 0 V - -
RS Stock No. 172-9257
Mfr. Part No.A4953ELJTR-T
HK$12.812
Each (On a Reel of 3000)
units
Brushed DC - Full Bridge 2A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 102-3538
Mfr. Part No.L6506D
HK$18.15
Each (In a Tube of 40)
units
Stepper - - - - - 7 V Surface Mount SOIC 7 V 20 4.5 V - -
RS Stock No. 426-196
Mfr. Part No.L6506D
HK$22.77
Each
units
Stepper - - - - - 7 V Surface Mount SOIC 7 V 20 4.5 V - -
RS Stock No. 714-0622
Mfr. Part No.L293D
HK$35.39
Each
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 866-0805
Mfr. Part No.A4953ELJTR-T
HK$14.013
Each (In a Pack of 3)
units
Brushed DC - Full Bridge 2A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 699-6736
Mfr. Part No.BD6211F-E2
BrandROHM
HK$17.98
Each
units
Brushed DC - Full Bridge 1A - - 7 V Surface Mount SOP 5.5 V 8 3 V - -
RS Stock No. 456-434
Mfr. Part No.L298HN
HK$49.79
Each
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT H 7 V 15 4.5 V - -
RS Stock No. 920-6216
Mfr. Part No.L298HN
HK$39.271
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT H 7 V 15 4.5 V - -
RS Stock No. 169-0420
Mfr. Part No.BD6211F-E2
BrandROHM
HK$11.584
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. 526-274
Mfr. Part No.L293NE
HK$31.396
Each (In a Pack of 5)
units
- - - - - - - Through Hole PDIP - 16 - - -
RS Stock No. 534-4276
Mfr. Part No.LMD18200T/NOPB
HK$121.68
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS Stock No. 121-8338
Mfr. Part No.L293NE
HK$25.52
Each (In a Tube of 25)
units
Brushed DC - Quad Half Bridge 1A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS Stock No. 526-868
Mfr. Part No.L293DNE
HK$26.592
Each (In a Pack of 5)
units
- - - - - - - Through Hole PDIP - 16 - - -
RS Stock No. 866-0225
Mfr. Part No.LMD18200T/NOPB
HK$127.927
Each (In a Tube of 20)
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
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