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. 124-5432
Mfr. Part No.STK682-010-E
$11.50
Each (In a Tube of 15)
units
Stepper - - 3A - - 36 V Through Hole SIP 32 V 19 9 V 1.6Hz -
RS Stock No. 801-6814
Mfr. Part No.STK682-010-E
$12.72
Each (In a Pack of 2)
units
Stepper - Bipolar 3A - - 36 V Through Hole SIP 32 V 19 9 V 1.6Hz -
RS Stock No. 906-3085
Mfr. Part No.BTN8982TAAUMA1
BrandInfineon
$8.12
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
$4.95
Each (On a Reel of 1000)
units
BLDC - - 55A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 172-9266
Mfr. Part No.A4950ELJTR-T
$4.596
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. 121-7925
Mfr. Part No.LB1938FA-BH
$1.053
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. 753-2028
Mfr. Part No.A4950ELJTR-T
$4.49
Each
units
Brushed DC - Full Bridge 3.5A - - 40 V Surface Mount SOIC 40 V 8 8 V - -
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
$6.34
Each
units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 821-3052
Mfr. Part No.LB1938FA-BH
$2.02
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. 162-9783
Mfr. Part No.DRV2605LDGST
$3.16
Each (On a Reel of 250)
units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount VSSOP 5.2 V 10 2 V 250kHz -
RS Stock No. 914-2942
Mfr. Part No.DRV2605LDGST
$4.72
Each (In a Pack of 2)
units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount VSSOP 5.2 V 10 2 V 250kHz -
RS Stock No. 828-9898
Mfr. Part No.L6470H
$9.62
Each
units
Stepper - Bipolar 3A - - 45 V Surface Mount TSSOP 45 V 28 8 V 125kHz -
RS Stock No. 166-1194
Mfr. Part No.TLE9201SGAUMA1
BrandInfineon
$3.642
Each (On a Reel of 1000)
units
BLDC - Full Bridge 6A - - 28 V Surface Mount DSO-12-17 28 V 12 - 20kHz -
RS Stock No. 110-7460
Mfr. Part No.TLE9201SGAUMA1
BrandInfineon
$5.67
Each (In a Pack of 5)
units
BLDC - Full Bridge 6A - - 28 V Surface Mount DSO-12-17 28 V 12 - 20kHz -
RS Stock No. 920-6197
Mfr. Part No.L6470H
$10.17
Each (In a Tube of 50)
units
Stepper - Bipolar 3A - - 45 V Surface Mount TSSOP 45 V 28 8 V 125kHz -
RS Stock No. 407-139
Mfr. Part No.LMD18201T/NOPB
$25.59
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. 165-8151
Mfr. Part No.TLE52062SAKSA1
BrandInfineon
$5.771
Each (In a Tube of 50)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-220 40 V 7 - - -
RS Stock No. 169-3293
Mfr. Part No.L6506
$5.00
Each
units
Stepper - - - - - 7 V Through Hole PDIP 7 V 18 4.5 V - -
RS Stock No. 726-4068
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
$12.48
Each
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS Stock No. 102-3536
Mfr. Part No.L6506
$4.25
Each (In a Tube of 20)
units
Stepper - - - - - 7 V Through Hole PDIP 7 V 18 4.5 V - -
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