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. 163-2432
Mfr. Part No.LV8548MC-AH
HK$4.914
Each (On a Reel of 2500)
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 769-3949
Mfr. Part No.LV8549MC-AH
HK$8.08
Each
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 163-2433
Mfr. Part No.LV8549MC-AH
HK$6.046
Each (On a Reel of 2500)
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 769-3946
Mfr. Part No.LV8548MC-AH
HK$16.05
Each
units
Stepper - Dual Full Bridge 1A - - 16 V Surface Mount SOIC 16 V 10 4 V - -
RS Stock No. 757-0499
Mfr. Part No.LB1836M-TLM-E
HK$19.14
Each
units
Stepper - Dual Full Bridge 1A - - 9 V Surface Mount MFP 9 V 14 2.5 V - -
RS Stock No. 166-2145
Mfr. Part No.FSB50760SFS
HK$75.426
Each (On a Reel of 450)
units
AC Induction - 3 Phase 3.6A - - 600 V Through Hole PDIP 400 V 23 - 20kHz 1500Vrms
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
HK$40.67
Each
units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 774-3634
Mfr. Part No.NUD3105DMT1G
HK$3.146
Each (In a Pack of 10)
units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 862-8990
Mfr. Part No.FSB50760SFS
HK$89.80
Each
units
AC Induction - 3 Phase 3.6A - - 600 V Surface Mount SMT 400 V 23 - 20kHz 1500Vrms
RS Stock No. 862-9003
Mfr. Part No.FSB50760SFT
HK$91.40
Each
units
AC Induction - 3 Phase 3.6A - - 600 V Through Hole PDIP 400 V 23 - 20kHz 1500Vrms
RS Stock No. 801-6808
Mfr. Part No.STK672-440BN-E
HK$60.21
Each
units
Stepper - Unipolar 3.5A - - 46 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
RS Stock No. 163-2325
Mfr. Part No.STK672-440BN-E
HK$46.783
Each (In a Tube of 15)
units
Stepper - Unipolar 3.5A - - 46 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
RS Stock No. 145-4412
Mfr. Part No.FSB50760SFT
HK$68.808
Each (In a Tube of 15)
units
AC Induction - 3 Phase 3.6A - - 600 V Through Hole PDIP 400 V 23 - 20kHz 1500Vrms
RS Stock No. 103-5145
Mfr. Part No.NUD3105DMT1G
HK$1.595
Each (On a Reel of 3000)
units
- - - 0.5A 300mA - 6 V Surface Mount SC-74 - 6 - 10kHz -
RS Stock No. 862-8971
Mfr. Part No.FSB50450AT
HK$70.76
Each
units
AC Induction - 3 Phase 1.5A - - 500 V Through Hole PDIP 400 V 23 - 15kHz 1500Vrms
RS Stock No. 864-9004
Mfr. Part No.FNA40860
HK$106.00
Each
units
AC Induction - 3 Phase 8A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
RS Stock No. 163-2431
Mfr. Part No.LV8498CT-TE-L-H
HK$4.189
Each (On a Reel of 5000)
units
Voice Coil - 1-phase Unipolar 0.2A - - 5 V Surface Mount WLP 5 V 6 2.2 V - -
New
RS Stock No. 186-8852
Mfr. Part No.MC33035DWR2G
HK$19.754
Each (On a Reel of 1000)
units
- - - - - - - - - - - - - -
RS Stock No. 163-2250
Mfr. Part No.NCV7719DQR2G
HK$24.121
Each (On a Reel of 2500)
units
BLDC - Octal Half Bridge 0.5A - - 28 V Surface Mount SSOP 5.25 V 24 3.15 V 5MHz -
RS Stock No. 122-0124
Mfr. Part No.LV8711T-TLM-H
HK$9.638
Each (On a Reel of 2000)
units
Stepper - Dual Full Bridge 0.8A - - 16 V Surface Mount TSSOP 5.5 V 24 2.7 V - -