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. 906-4319
Mfr. Part No.BTM7811KAUMA1
BrandInfineon
$10.88
Each
units
BLDC - Full Bridge 42A - - 40 V Surface Mount TO-263 42 V 15 - - -
RS Stock No. 813-6469
Mfr. Part No.DRV8313PWP
$15.33
Each
units
BLDC - 3 Phase 1.75A - - 60 V Surface Mount HTSSOP 60 V 28 8 V - -
RS Stock No. 165-9405
Mfr. Part No.MAX6650EUB+
BrandMaxim
$4.97
Each (In a Tube of 50)
units
BLDC - - - - - 5 V - - - - - - -
RS Stock No. 145-8824
Mfr. Part No.BTM7740GXUMA1
BrandInfineon
$3.746
Each (On a Reel of 1000)
units
BLDC - Full Bridge 8A - - 40 V Surface Mount DSO 42 V 28 1.8 V 1kHz -
RS Stock No. 826-8213
Mfr. Part No.BTM7752GXUMA1
BrandInfineon
$6.92
Each (In a Pack of 2)
units
BLDC - Full Bridge 8A - - 28 V Surface Mount DSO 18 V 36 8 V 25kHz -
RS Stock No. 761-5432
Mfr. Part No.LM1815N/NOPB
$6.78
Each
units
- - - - - - 12 V Through Hole PDIP 12 V 14 2 V - -
RS Stock No. 880-5541
Mfr. Part No.VND5160JTR-E
$2.576
Each (In a Pack of 5)
units
- - - - - - - Surface Mount PowerSSO - 12 - - -
RS Stock No. 786-1225
Mfr. Part No.MAX6650EUB+
BrandMaxim
$6.71
Each (In a Pack of 2)
units
BLDC - - - - - 5 V - - - - - - -
RS Stock No. 168-5814
Mfr. Part No.VNQ5027AK-E
$8.842
Each (In a Tube of 49)
units
- - - 42A - - 36 V Surface Mount PowerSSO - 24 - - -
RS Stock No. 110-6609
Mfr. Part No.VNH5050ATR-E
$5.315
Each (In a Pack of 2)
units
Brushed DC - Full Bridge 30A - - 41 V Surface Mount MultiPowerSO 18 V 36 5.5 V - -
RS Stock No. 110-7750
Mfr. Part No.BTN8962TAAUMA1
BrandInfineon
$6.188
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. 169-8106
Mfr. Part No.NJM2670D2
$5.22
Each (In a Tube of 20)
units
Stepper - Dual Full Bridge 1.5A - - 60 V Through Hole PDIP - 22 - - -
RS Stock No. 177-5557
Mfr. Part No.A3979SLPTR-T
$18.401
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. 769-3842
Mfr. Part No.LB1838M-TLM-E
$2.61
Each
units
Stepper - Dual Full Bridge 1A - - 9 V Surface Mount MFP 9 V 14 2.5 V - -
RS Stock No. 445-321
Mfr. Part No.VNQ5027AK-E
$8.93
Each
units
- - - 42A - - 36 V Surface Mount PowerSSO - 24 - - -
RS Stock No. 907-4915
Mfr. Part No.IRS4427PBF
BrandInfineon
$2.184
Each (In a Pack of 5)
units
DC - - 3.3A - - 20 V Through Hole PDIP 20 V 8 6 V - -
RS Stock No. 178-7433
Mfr. Part No.L6205PD013TR
$6.26
Each (On a Reel of 600)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 714-0644
Mfr. Part No.L6205PD
$10.94
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 168-6795
Mfr. Part No.L6205PD
$12.771
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 163-2390
Mfr. Part No.LB1838M-TLM-E
$1.744
Each (On a Reel of 1000)
units
Stepper - Dual Full Bridge 1A - - 9 V Surface Mount MFP 9 V 14 2.5 V - -
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