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. 163-2325
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. 801-6808
Mfr. Part No.STK672-440BN-E
HK$64.92
Each
units
Stepper - Unipolar 3.5A - - 46 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
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. 172-9265
Mfr. Part No.A3967SLBTR-T
HK$25.775
Each (On a Reel of 3000)
units
Stepper - Bipolar 0.75A - - 30 V Surface Mount SOIC W 5.5 V 24 4.75 V - -
RS Stock No. 172-9273
Mfr. Part No.A4975SLBTR-T
HK$27.758
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. 738-5456
Mfr. Part No.DRV8412DDW
HK$75.06
Each
units
Brushed DC - Dual Full Bridge 6A - - 52 V Surface Mount HTSSOP 13.2 V 44 10.8 V 500kHz -
RS Stock No. 714-0644
Mfr. Part No.L6205PD
HK$65.18
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 165-7508
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
HK$43.962
Each (On a Reel of 1000)
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS Stock No. 464-053
Mfr. Part No.MC33035DWG
HK$33.92
Each
units
BLDC - 3 Phase - - - 40 V Surface Mount SOIC 30 V 24 10 V - -
RS Stock No. 738-5452
Mfr. Part No.DRV8332DKD
HK$102.49
Each
units
BLDC - 3 Phase 8A - - 52 V Surface Mount HSSOP 13.2 V 36 10.8 V 500kHz -
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. 178-5078
Mfr. Part No.TLE52062GAUMA1
BrandInfineon
HK$35.022
Each (On a Reel of 1000)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-263 40 V 7 - - -
RS Stock No. 919-8803
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
HK$27.52
Each (On a Reel of 1000)
units
BLDC - Half Bridge 20A - - 18 V Surface Mount TO-263 28 V 7 5.5 V 25kHz -
RS Stock No. 168-6795
Mfr. Part No.L6205PD
HK$51.77
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. 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. 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. 699-6746
Mfr. Part No.BD6221F-E2
BrandROHM
HK$19.67
Each
units
Brushed DC - Full Bridge 1A - - 18 V Surface Mount SOP 15 V 8 6 V - -
RS Stock No. 761-7201
Mfr. Part No.MTD6505T-E/NA
BrandMicrochip
HK$6.36
Each (In a Pack of 5)
units
BLDC - 3 Phase 0.75A - - 5 V Surface Mount UDFN 5.5 V 10 2 V - -
RS Stock No. 774-7734
Mfr. Part No.TC642VPA
BrandMicrochip
HK$13.164
Each (In a Bag of 5)
units
BLDC - - NoneA - - 5 V Through Hole PDIP 5.5 V 8 3 V - -
RS Stock No. 826-8201
Mfr. Part No.TLE6282G
BrandInfineon
HK$31.05
Each (In a Pack of 2)
units
BLDC - Dual Half Bridge 0.85A - - 60 V Surface Mount DSO 60 V 20 7.5 V - -
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