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. 920-6197
Mfr. Part No.L6470H
£5.341
Each (In a Tube of 50)
Units
Stepper - Bipolar 3A - - 45 V Surface Mount TSSOP 45 V 28 8 V 125kHz -
RS Stock No. 169-0421
Mfr. Part No.BD6221F-E2
BrandROHM
£0.931
Each (On a Reel of 2500)
Units
Brushed DC - Full Bridge 1A - - 18 V Surface Mount SOP 15 V 8 6 V - -
RS Stock No. 828-9898
Mfr. Part No.L6470H
£6.19
Each
Units
Stepper - Bipolar 3A - - 45 V Surface Mount TSSOP 45 V 28 8 V 125kHz -
RS Stock No. 680-7188
Mfr. Part No.A3959SLBTR-T
£4.61
Each
Units
Brushed DC - Full Bridge 3A - - 50 V Surface Mount SOIC W 5.5 V 24 4.5 V - -
RS Stock No. 177-5540
Mfr. Part No.A3959SLBTR-T
£2.837
Each (On a Reel of 1000)
Units
Brushed DC - Full Bridge 3A - - 50 V Surface Mount SOIC W 5.5 V 24 4.5 V - -
RS Stock No. 867-3283
Mfr. Part No.STK5Q4U362J-E
£8.73
Each
Units
AC Induction - 3 Phase 10A - - 600 V Through Hole SPCM 16.5 V 38 13.5 V 1 → 20kHz -
RS Stock No. 163-0317
Mfr. Part No.STK5Q4U362J-E
£7.938
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. 165-8157
Mfr. Part No.IRS4427PBF
BrandInfineon
£0.784
Each (In a Tube of 50)
Units
DC - - 3.3A - - 20 V Through Hole PDIP 20 V 8 6 V - -
RS Stock No. 774-1398
Mfr. Part No.DRV8834PWP
£2.58
Each
Units
Stepper - Dual Full Bridge 1.5A - - 10.8 V Surface Mount HTSSOP 10.8 V 24 2.5 V 42.5kHz -
RS Stock No. 907-4915
Mfr. Part No.IRS4427PBF
BrandInfineon
£0.782
Each (In a Pack of 5)
Units
DC - - 3.3A - - 20 V Through Hole PDIP 20 V 8 6 V - -
RS Stock No. 914-2948
Mfr. Part No.DRV10983PWP
£3.655
Each (In a Pack of 2)
Units
BLDC - 3 Phase 2A - - 28 V Surface Mount HTSSOP 28 V 24 8 V 100kHz -
RS Stock No. 162-6561
Mfr. Part No.DRV8834PWP
£2.323
Each (In a Tube of 60)
Units
Stepper - Dual Full Bridge 1.5A - - 10.8 V Surface Mount HTSSOP 10.8 V 24 2.5 V 42.5kHz -
RS Stock No. 162-9782
Mfr. Part No.DRV10983PWP
£3.332
Each (In a Tube of 60)
Units
BLDC - 3 Phase 2A - - 28 V Surface Mount HTSSOP 28 V 24 8 V 100kHz -
RS Stock No. 168-8018
Mfr. Part No.L6205N
£4.155
Each (In a Tube of 20)
Units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Through Hole PDIP 52 V 20 8 V 100kHz -
RS Stock No. 919-8803
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
£2.617
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. 753-2850
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
£4.94
Each
Units
BLDC - Half Bridge 20A - - 18 V Surface Mount TO-263 28 V 7 5.5 V 25kHz -
RS Stock No. 914-2942
Mfr. Part No.DRV2605LDGST
£3.155
Each (In a Pack of 2)
Units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount VSSOP 5.2 V 10 2 V 250kHz -
RS Stock No. 762-0421
Mfr. Part No.DRV8302DCA
£5.05
Each
Units
BLDC - 3 Phase 1.7A - - 60 V Surface Mount HTSSOP 60 V 56 8 V 200kHz -
RS Stock No. 162-9783
Mfr. Part No.DRV2605LDGST
£2.176
Each (On a Reel of 250)
Units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount VSSOP 5.2 V 10 2 V 250kHz -
RS Stock No. 121-9312
Mfr. Part No.DRV8302DCA
£4.351
Each (In a Tube of 35)
Units
BLDC - 3 Phase 1.7A - - 60 V Surface Mount HTSSOP 60 V 56 8 V 200kHz -
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