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. 921-2811
Mfr. Part No.LM629N-6/NOPB
HK$445.80
Each (In a Tube of 13)
units
DC Servo - - - - - 5 V Through Hole PDIP 5.5 V 28 4.5 V 6MHz -
RS Stock No. 919-8800
Mfr. Part No.BTN8960TAAUMA1
BrandInfineon
HK$21.687
Each (On a Reel of 1000)
units
BLDC - Half Bridge 30A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 825-9263
Mfr. Part No.BTN8960TAAUMA1
BrandInfineon
HK$43.45
Each (In a Pack of 2)
units
BLDC - Half Bridge 30A - - 40 V Surface Mount TO-263 18 V 7 8 V - -
RS Stock No. 680-7181
Mfr. Part No.A3950SLPTR-T
HK$29.39
Each
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 172-9268
Mfr. Part No.A3950SLPTR-T
HK$26.76
Each (On a Reel of 4000)
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 162-6561
Mfr. Part No.DRV8834PWP
HK$24.53
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. 811-5692
Mfr. Part No.LM629N-6/NOPB
HK$559.25
Each
units
DC Servo - - - - - 5 V Through Hole PDIP 5.5 V 28 4.5 V 6MHz -
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. 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. 165-8151
Mfr. Part No.TLE52062SAKSA1
BrandInfineon
HK$45.803
Each (In a Tube of 50)
units
BLDC - Dual Full Bridge 5A - - 40 V Surface Mount TO-220 40 V 7 - - -
RS Stock No. 753-2059
Mfr. Part No.A4975SLBTR-T
HK$29.80
Each
units
Stepper - Bipolar 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 4.5 V - -
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. 752-7022
Mfr. Part No.BA5947FM-E2
BrandROHM
HK$377.29
Each
units
BLDC - 4-channel BTL - - - - Surface Mount HSOP-M 13.2 V 28 6 V - -
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. 770-3680
Mfr. Part No.TB6560AHQ(O,8)
BrandToshiba
HK$41.75
Each
units
Stepper - Bipolar 3.5A - - - Through Hole HZIP 5.5 V 25 4.5 V 130kHz -
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 - -
RS Stock No. 714-0647
Mfr. Part No.L6206PD
HK$64.28
Each
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 121-9281
Mfr. Part No.DRV8332DKD
HK$78.37
Each (In a Tube of 29)
units
BLDC - 3 Phase 8A - - 52 V Surface Mount HSSOP 13.2 V 36 10.8 V 500kHz -
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. 770-3719
Mfr. Part No.TB6562AFG(O,8,EL)
BrandToshiba
HK$17.54
Each
units
Stepper - Bipolar 1.5A - - 40 V Surface Mount SSOP 34 V 30 10 V 110kHz -
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