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. 900-9817
Mfr. Part No.DRV8833CRTET
MYR8.68
Each (In a Pack of 5)
units
Stepper - Dual Full Bridge 0.7A - - 10.8 V Surface Mount WQFN 10.8 V 16 2.7 V - -
RS Stock No. 162-9793
Mfr. Part No.DRV8833CRTET
MYR5.151
Each (On a Reel of 250)
units
Stepper - Dual Full Bridge 0.7A - - 10.8 V Surface Mount WQFN 10.8 V 16 2.7 V - -
RS Stock No. 880-5294
Mfr. Part No.L293DD013TR
MYR17.26
Each (In a Pack of 5)
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V 5kHz -
RS Stock No. 172-9268
Mfr. Part No.A3950SLPTR-T
MYR14.153
Each (On a Reel of 4000)
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 506-0760
Mfr. Part No.LT3439EFE#PBF
MYR35.14
Each
units
- - - 1A 1.65A - 17.5 V Surface Mount TSSOP - 16 - 20 → 250kHz -
RS Stock No. 145-8659
Mfr. Part No.E-TEA3718DP
MYR11.98
Each (In a Tube of 50)
units
Stepper - Bipolar 1.5A - - 50 V Through Hole PDIP 50 V 16 10 V 30kHz -
RS Stock No. 121-9905
Mfr. Part No.LB1936V-TLM-E
MYR3.794
Each (On a Reel of 2000)
units
Stepper - Dual Full Bridge 0.8A - - 9.5 V Surface Mount SSOP 9.5 V 16 2.5 V - -
RS Stock No. 828-9933
Mfr. Part No.E-TEA3718DP
MYR14.11
Each (In a Pack of 2)
units
Stepper - Bipolar 1.5A - - 50 V Through Hole PDIP 50 V 16 10 V 30kHz -
RS Stock No. 813-6441
Mfr. Part No.DRV2667RGPT
MYR21.70
Each
units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount QFN 5.5 V 20 3 V 400kHz -
RS Stock No. 168-8863
Mfr. Part No.L6225DTR
MYR12.332
Each (On a Reel of 1000)
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Surface Mount SOIC 52 V 20 8 V 100kHz -
RS Stock No. 121-8338
Mfr. Part No.L293NE
MYR13.311
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. 103-1083
Mfr. Part No.L6225D
MYR19.06
Each (In a Tube of 40)
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Surface Mount SOIC 52 V 20 8 V 100kHz -
RS Stock No. 880-5298
Mfr. Part No.L293E
MYR13.58
Each (In a Pack of 5)
units
Brushed DC - Dual Full Bridge 1A - - 36 V Through Hole PowerDIP 36 V 20 4.5 V - -
RS Stock No. 920-6216
Mfr. Part No.L298HN
MYR18.12
Each (In a Tube of 25)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Through Hole MULTIWATT H 7 V 15 4.5 V - -
RS Stock No. 178-1403
Mfr. Part No.L293DD
MYR13.29
Each (In a Tube of 40)
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V - -
RS Stock No. 177-5540
Mfr. Part No.A3959SLBTR-T
MYR36.375
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. 680-7181
Mfr. Part No.A3950SLPTR-T
MYR14.50
Each
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 162-7668
Mfr. Part No.DRV2667RGPT
MYR16.16
Each (On a Reel of 250)
units
Piezo Haptic - Full Bridge - - - 5 V Surface Mount QFN 5.5 V 20 3 V 400kHz -
RS Stock No. 165-8803
Mfr. Part No.AM4951RMMTR-G1
MYR1.307
Each (On a Reel of 3000)
units
BLDC - Full Bridge 0.5A - - 24 V Surface Mount MSOP 24 V 8 2.2 V - -
RS Stock No. 624-8113
Mfr. Part No.L6225D
MYR22.41
Each
units
Brushed DC - Dual Full Bridge 1.4A - - 52 V Surface Mount SOIC 52 V 20 8 V 100kHz -