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. 166-2041
Mfr. Part No.FNC42060F
HK$116.29
Each (In a Tube of 72)
units
AC Induction - 3 Phase 20A - - 600 V Through Hole PDIP 16.5 V 26 13.5 V 5kHz 2000Vrms
New
RS Stock No. 195-2614
Mfr. Part No.FSB50250B
HK$49.472
Each (In a Pack of 5)
units
- 3 Phase - - - 20 V - Through Hole SPM5P 20 V 23 - 15kHz 1500Vrms
RS Stock No. 806-3349
Mfr. Part No.MC33039DR2G
HK$11.30
Each (In a Pack of 10)
units
BLDC - - - 20mA - 7.5 V Surface Mount SOIC 9 V 8 5.5 V - -
RS Stock No. 799-7908
Mfr. Part No.MAX6620ATI+
HK$42.55
Each
units
BLDC - - - - - 5 V Surface Mount TQFN 5.5 V 28 3 V - -
RS Stock No. 664-6879
Mfr. Part No.LB11988V-TLM-E
BrandSanyo
HK$19.20
Each
units
- - - 1.3A - - - Surface Mount SSOP 22 V 24 5 V - -
RS Stock No. 184-9893
Mfr. Part No.BU64297GWZ-TR
BrandROHM
HK$4.659
Each (On a Reel of 3000)
units
Voice Coil - - - ±100mA 4.8 V - Surface Mount UCSP 4.8 V 4 2.3 V - -
RS Stock No. 171-4118
Mfr. Part No.BD6735FV-E2
BrandROHM
HK$29.01
Each (In a Pack of 5)
units
Brushed DC Half Bridge Half Bridge - 1A 8 (Motor) V, 8 (Power) V - Surface Mount SSOP 8 (Motor) V, 8 (Power) V 20 2 (Motor) V, 2 (Power) V 100 (Maximum)kHz -
RS Stock No. 862-9006
Mfr. Part No.FSB50825A
HK$72.91
Each
units
AC Induction - 3 Phase 3.6A - - 250 V Through Hole PDIP 200 V 23 - 15kHz 1500Vrms
RS Stock No. 171-8654
Mfr. Part No.STSPIN233
HK$11.104
Each (On a Reel of 4000)
units
BLDC 3 Phase Triple Half Bridge - - 10 V - Surface Mount VFQFPN 10 V 16 1.8 V - -
RS Stock No. 171-6912
Mfr. Part No.BD6385EFV-E2
BrandROHM
HK$30.63
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 190-6274
Mfr. Part No.MAX31785ETL+
HK$39.508
Each (In a Tube of 50)
units
- 6-channel - - 8 (Typ.)mA 3.3 V - Surface Mount TQFN 5.5 V 40 2.7 V - -
RS Stock No. 920-6197
Mfr. Part No.L6470H
HK$56.90
Each (In a Tube of 50)
units
Stepper - Bipolar 3A - - 45 V Surface Mount TSSOP 45 V 28 8 V 125kHz -
RS Stock No. 145-6790
Mfr. Part No.LM1815M/NOPB
HK$28.708
Each (In a Tube of 55)
units
- - - - - - 12 V Surface Mount SOIC 12 V 14 2 V - -
RS Stock No. 787-1098
Mfr. Part No.IRSM836-035MA
BrandInfineon
HK$53.05
Each
units
AC Induction - 3 Phase 3A - - 500 V Surface Mount PQFN 20 V 36 12 V 20kHz 1500Vrms
RS Stock No. 161-2657
Mfr. Part No.LB1939T-TLM-E
HK$28.58
Each (In a Pack of 5)
units
Stepper H Bridge Half Bridge - 231mA 7.5 V - Surface Mount TSSOP 7.5 V 20 1.6 V - -
RS Stock No. 920-6204
Mfr. Part No.E-L6258EX
HK$48.60
Each (In a Tube of 31)
units
Stepper - Dual Full Bridge 1.5A - - 40 V Surface Mount PowerSO 40 V 36 12 V - -
RS Stock No. 189-0244
Mfr. Part No.NCV7547MWTXG
HK$31.467
Each (On a Reel of 2500)
units
- - Half Bridge - - 18 V - Surface Mount QFNW 18 V 48 7 V 1.1MHz -
RS Stock No. 184-9866
Mfr. Part No.BD63001AMUV-E2
BrandROHM
HK$9.074
Each (On a Reel of 2500)
units
- 3 Phase MOS - ±200 (Peak) mA, ±30 (Continuous) mA 33 V - Surface Mount VQFN 28 V 24 6 V - -
RS Stock No. 864-4866
Mfr. Part No.FSBS15CH60
HK$131.494
Each (In a Tube of 10)
units
AC Induction - 3 Phase 15A - - 600 V Through Hole PDIP 16.5 V 27 13.5 V 20kHz 2500Vrms
RS Stock No. 680-7204
Mfr. Part No.A3984SLPTR-T
HK$44.83
Each
units
Stepper - Bipolar 2A - - 35 V Surface Mount TSSOP 5.5 V 24 3 V - -