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. 162-7674
Mfr. Part No.DRV8837DSGT
R 11.345
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
R 16.831
Each (In a Pack of 10)
units
Brushed DC - - - - - - Surface Mount WSON 11 V 8 0 V - -
RS stock no. 534-4276
Mfr. Part No.LMD18200T/NOPB
R 522.87
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 11 12 V - -
RS stock no. 866-0225
Mfr. Part No.LMD18200T/NOPB
R 284.614
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. 165-7508
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
R 77.518
Each (On a Reel of 1000)
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS stock no. 172-9284
Mfr. Part No.A3977SLPTR-T
R 49.076
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. 680-7208
Mfr. Part No.A3977SLPTR-T
R 85.47
Each
units
Stepper - Bipolar 2.5A - - 35 V Surface Mount TSSOP 5.5 V 28 3 V - -
RS stock no. 726-4068
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
R 135.81
Each
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS stock no. 200-7148
Mfr. Part No.UC3637N
R 167.82
Each
units
BLDC - Full Bridge 0.1A - - 36 V Through Hole PDIP 36 V 18 5 V - -
RS stock no. 121-8495
Mfr. Part No.UC3637N
R 158.786
Each (In a Tube of 20)
units
- - - - - - - - - - - - - -
RS stock no. 121-8411
Mfr. Part No.L293DNE
R 54.766
Each (In a Tube of 25)
units
Brushed DC - Quad Half Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS stock no. 526-868
Mfr. Part No.L293DNE
R 52.584
Each (In a Pack of 5)
units
- - Quad Half Bridge 0.6A - - 36 V Through Hole PDIP 36 V 16 4.5 V - -
RS stock no. 166-0818
Mfr. Part No.BTN8962TAAUMA1
BrandInfineon
R 43.434
Each (On a Reel of 1000)
units
BLDC - Half Bridge 30A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS stock no. 124-6478
Mfr. Part No.BD6221F-E2
BrandROHM
R 41.265
Each (In a Pack of 4)
units
Brushed DC - - 1A - - - Surface Mount SOP 15 V 8 6 V - -
RS stock no. 110-7750
Mfr. Part No.BTN8962TAAUMA1
BrandInfineon
R 83.16
Each (In a Pack of 4)
units
BLDC - Half Bridge 30A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS stock no. 178-1402
Mfr. Part No.L6206PD
R 98.959
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. 714-0647
Mfr. Part No.L6206PD
R 109.98
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS stock no. 168-6316
Mfr. Part No.L6235D
R 138.023
Each (In a Tube of 32)
units
BLDC - 3 Phase 2.8A - - 52 V Surface Mount SOIC 52 V 24 12 V - -
RS stock no. 456-438
Mfr. Part No.L6208PD
R 137.70
Each
units
Stepper - Bipolar 2.8A - - 52 V Surface Mount PowerSO 52 V 38 8 V 100kHz -
RS stock no. 919-6267
Mfr. Part No.L6234PD
R 98.105
Each (In a Tube of 31)
units
BLDC - 3 Phase 4A - - 52 V Surface Mount PowerSO 52 V 20 7 V - -