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. 102-3539
Mfr. Part No.L6474PD
$7.162
Each (In a Tube of 31)
units
Stepper - Bipolar 3A - - 45 V Surface Mount PowerSO 45 V 36 4 V 800kHz -
RS Stock No. 862-8934
Mfr. Part No.FSB44104A
$25.71
Each
units
AC Induction - 3 Phase 57A - - 40 V Through Hole PDIP 20 V 23 - - 800Vrms
RS Stock No. 169-8111
Mfr. Part No.NJM3517E2
$5.30
Each (In a Tube of 50)
units
Stepper - Unipolar 0.35A - - 40 V Surface Mount EMP 5.25 V 16 4.75 V - -
RS Stock No. 121-8338
Mfr. Part No.L293NE
$4.884
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. 172-9273
Mfr. Part No.A4975SLBTR-T
$5.293
Each (On a Reel of 3000)
units
Stepper - Bipolar 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 4.5 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. 662-4453
Mfr. Part No.UCC2626PW
$26.63
Each
units
BLDC - 3 Phase 0.1A - - 14.5 V Surface Mount TSSOP 14.5 V 28 11 V - -
RS Stock No. 774-1266
Mfr. Part No.DRV8805PWP
$6.31
Each
units
Stepper - Unipolar 2A - - 60 V Surface Mount HTSSOP 60 V 16 8.2 V - -
RS Stock No. 145-9605
Mfr. Part No.E-L6219DS
$3.062
Each (In a Tube of 30)
units
Stepper - Dual Full Bridge 0.75A - - 46 V Surface Mount SOIC 46 V 24 10 V - -
RS Stock No. 170-2450
Mfr. Part No.BA6845FS
BrandROHM
$3.004
Each (On a Reel of 2500)
units
Stepper - Bipolar 1A - - 9 V Surface Mount SSOP 9 V 16 2.7 V - -
RS Stock No. 880-5308
Mfr. Part No.L298P013TR
$8.082
Each (In a Pack of 5)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V 25kHz -
RS Stock No. 263-9997
Mfr. Part No.BA6845FS
BrandROHM
$3.33
Each
units
Stepper - Bipolar 1A - - 9 V Surface Mount SSOP 9 V 16 2.7 V - -
RS Stock No. 121-9207
Mfr. Part No.UCC2626PW
$24.339
Each (In a Tube of 50)
units
BLDC - 3 Phase 0.1A - - 14.5 V Surface Mount TSSOP 14.5 V 28 11 V - -
RS Stock No. 803-2342
Mfr. Part No.EMC2303-1-KP-TR
BrandMicrochip
$2.09
Each (In a Pack of 5)
units
- - PWM NoneA - 3.6 V 3.3 V Surface Mount - - 12 - - -
RS Stock No. 906-3085
Mfr. Part No.BTN8982TAAUMA1
BrandInfineon
$8.235
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. 177-5557
Mfr. Part No.A3979SLPTR-T
$20.445
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. 801-6817
Mfr. Part No.STK672-442BN-E
$11.85
Each
units
Stepper - Unipolar 3.5A - - 50 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
RS Stock No. 680-7163
Mfr. Part No.A3930KJPTR-T
$11.53
Each
units
BLDC - 3 Phase - - - 50 V Surface Mount LQFP 50 V 48 5.5 V - -
RS Stock No. 680-7217
Mfr. Part No.A3979SLPTR-T
$8.21
Each
units
Stepper - Bipolar 2.5A - - 35 V Surface Mount TSSOP 5.5 V 28 3 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 - -
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