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 needed 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 a 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 whether an RD or FG output signal is required. Lastly, the functionality requirements must be considered.

When selecting a stepper motor driver, you must consider the micro-step 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. 757-0499
Mfr. Part No.LB1836M-TLM-E
€2.30
Each
units
Stepper - Dual Full Bridge 1A - - 9 V Surface Mount MFP 9 V 14 2.5 V - -
RS Stock No. 103-5145
Mfr. Part No.NUD3105DMT1G
€0.118
Each (On a Reel of 3000)
units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 774-3634
Mfr. Part No.NUD3105DMT1G
€0.28
Each (In a Pack of 10)
units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 166-1897
Mfr. Part No.FSBB20CH60C
€14.097
Each (In a Tube of 60)
units
- - - - - - 600 V Through Hole SPM27 CC - 27 - - -
RS Stock No. 126-3478
Mfr. Part No.STK57FU394AG-E
€13.32
Each
units
AC/DC Motor 3 Phase Half Bridge, Single Ended 36A ±15A 450 V 600 V Surface Mount SIP 400 V 35 0 V 20kHz -
RS Stock No. 739-5080
Mfr. Part No.FSBB20CH60C
€14.51
Each
units
- - - - - - 600 V Through Hole SPM27 CC - 27 - - -
RS Stock No. 170-3403
Mfr. Part No.STK57FU394AG-E
€13.32
Each (In a Tube of 8)
units
AC/DC Motor 3 Phase Half Bridge, Single Ended 36A ±15A 450 V 600 V Surface Mount SIP 400 V 35 0 V 20kHz -
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
€3.43
Each
units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 801-6817
Mfr. Part No.STK672-442BN-E
€3.53
Each
units
Stepper - Unipolar 3.5A - - 50 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
RS Stock No. 864-9010
Mfr. Part No.FNA41560
€11.70
Each
units
AC Induction - 3 Phase 15A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
RS Stock No. 135-8668
Mfr. Part No.FNB34060T
€21.704
Each (In a Tube of 60)
units
AC Induction, BLDC Motor, PMSM Motor Array 6 3 Phase 40A - 400 V 600 V Through Hole SPM27-RA 400 V 27 300 V - -
RS Stock No. 163-0317
Mfr. Part No.STK5Q4U362J-E
€8.98
Each (In a Tube of 16)
units
AC Induction - 3 Phase 10A - - 600 V Through Hole SPCM 16.5 V 38 13.5 V 1 → 20kHz -
RS Stock No. 146-4110
Mfr. Part No.FNB35060T
€26.28
Each
units
- Array 6 3 Phase 100A 2A 400 V 600 V Through Hole SPM3 400 V 27 300 V - -
RS Stock No. 186-1471
Mfr. Part No.NCV7708FDWR2G
€2.454
Each (In a Pack of 5)
units
DC Motor Half Bridge Hex Half Bridge - 500mA 5.25 V - Surface Mount SOIC 5.25 V 28 3.15 V - -
RS Stock No. 189-0204
Mfr. Part No.LV88554RTXG
€0.749
Each (On a Reel of 2000)
units
BLDC Motor - - - 50 mA, 150 mA 16 V - Surface Mount VCT 16 V 20 6 V 100 (Maximum PWM)kHz -
RS Stock No. 864-9026
Mfr. Part No.FNB40560
€9.32
Each
units
AC Induction - 3 Phase 5A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 20kHz 2000Vrms
RS Stock No. 920-9916
Mfr. Part No.STK672-632AN-E
€2.78
Each
units
Stepper - Unipolar 2A - - 42 V Surface Mount SIP 5.25 V 19 4.75 V - -
RS Stock No. 189-0198
Mfr. Part No.LV88552RTXG
€0.749
Each (On a Reel of 2000)
units
BLDC Motor - - - 50 mA, 150 mA 16 V - Surface Mount VCT 16 V 20 6 V 100 (Maximum PWM)kHz -
RS Stock No. 145-4410
Mfr. Part No.FSB50550A
€3.64
Each (In a Tube of 15)
units
AC Induction - 3 Phase 2A - - 500 V Through Hole PDIP 400 V 23 - 15kHz 1500Vrms
RS Stock No. 788-6937
Mfr. Part No.LV8401V-TLM-E
€0.81
Each (In a Pack of 2)
units
Brushed DC - Full Bridge 1.2A - - 5 V Surface Mount SSOP 5.5 V 16 2.7 V 200kHz -