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. 110-7750
Mfr. Part No.BTN8962TAAUMA1
BrandInfineon
€5.053
Each (In a Pack of 4)
units
BLDC - Half Bridge 30A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 462-7968
Mfr. Part No.TCA3727GXUMA1
BrandInfineon
€6.85
Each
units
Stepper - Dual Full Bridge 0.75A - - 50 V Surface Mount DSO 50 V 24 5 V - -
RS Stock No. 714-0625
Mfr. Part No.L293DD
€4.02
Each
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V - -
RS Stock No. 133-0162
Mfr. Part No.DRV10964FFDSNT
€0.594
Each (In a Pack of 5)
units
BLDC - Half Bridge - 500mA 5.5 V 7.7 V Surface Mount SON 5.5 V 10 2.1 V - -
RS Stock No. 761-6188
Mfr. Part No.LMD18245T/NOPB
€20.79
Each
units
Brushed DC - Full Bridge 3A - - 55 V Through Hole TO-220 55 V 15 12 V - -
RS Stock No. 919-6267
Mfr. Part No.L6234PD
€5.788
Each (In a Tube of 31)
units
BLDC - 3 Phase 4A - - 52 V Surface Mount PowerSO 52 V 20 7 V - -
RS Stock No. 456-444
Mfr. Part No.L6234PD
€6.73
Each
units
BLDC - 3 Phase 4A - - 52 V Surface Mount PowerSO 52 V 20 7 V - -
RS Stock No. 121-9389
Mfr. Part No.DRV8301DCA
€5.499
Each (In a Tube of 35)
units
BLDC - 3 Phase 1.7A - - 60 V Surface Mount HTSSOP 60 V 56 6 V 581kHz -
RS Stock No. 178-5071
Mfr. Part No.L293DD013TR
€2.296
Each (On a Reel of 1000)
units
Brushed DC - Dual Full Bridge 0.6A - - 36 V Surface Mount SOIC 36 V 20 4.5 V 5kHz -
New
RS Stock No. 216-7867
Mfr. Part No.STSPIN32F0252Q
€3.543
Each (In a Tray of 168)
units
DC Motor 3 Phase Triple Half Bridge 18.9mA 350mA 20 V 250 V - VFQFPN - 64 - - -
RS Stock No. 124-9976
Mfr. Part No.LB1836M-TLM-E
€1.295
Each (On a Reel of 1000)
units
Stepper - - 1A - - 9 V Surface Mount MFP 9 V 14 2.5 V - -
New
RS Stock No. 216-7869
Mfr. Part No.STSPIN32F0252Q
€5.14
Each (In a Pack of 2)
units
DC Motor 3 Phase Triple Half Bridge 18.9mA 350mA 20 V 250 V - VFQFPN - 64 - - -
New
RS Stock No. 216-7870
Mfr. Part No.STSPIN32F0601Q
€3.703
Each (In a Tray of 168)
units
DC Motor 3 Phase Triple Half Bridge 18.9mA 350mA 20 V 600 V - VFQFPN - 64 - - -
RS Stock No. 862-8971
Mfr. Part No.FSB50450AT
€3.04
Each
units
AC Induction - 3 Phase 1.5A - - 500 V Through Hole PDIP 400 V 23 - 15kHz 1500Vrms
New
RS Stock No. 214-8077
Mfr. Part No.TB67H450FNG(O,EL)
BrandToshiba
€1.146
Each (In a Pack of 10)
units
Brushed DC Motor - PWM - 3.5A 5.5 V - - HSOP - 8 - - -
RS Stock No. 202-7284
Mfr. Part No.NCV7725DQBR2G
€5.102
Each (In a Pack of 5)
units
DC Motor Half Bridge - 1.1A 1.1A 45 V 45 V - SSOP - 24 - - -
RS Stock No. 186-1270
Mfr. Part No.NCV7708FDWR2G
€1.572
Each (On a Reel of 1000)
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. 172-9265
Mfr. Part No.A3967SLBTR-T
€1.782
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. 824-6273
Mfr. Part No.TC653CGVUA
BrandMicrochip
€1.596
Each (In a Pack of 5)
units
- - - - - 5.5 V 5 V Surface Mount MSOP 5.5 V 8 2.8 V 15Hz -
RS Stock No. 145-8659
Mfr. Part No.E-TEA3718DP
€2.956
Each (In a Tube of 50)
units
Stepper - Bipolar 1.5A - - 50 V Through Hole PDIP 50 V 16 10 V 30kHz -