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. 919-8800
Mfr. Part No.BTN8960TAAUMA1
BrandInfineon
HK$23.19
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. 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. 680-7181
Mfr. Part No.A3950SLPTR-T
HK$29.76
Each
units
Brushed DC - Full Bridge 2.8A - - 36 V Surface Mount TSSOP - 16 - - -
RS Stock No. 774-1398
Mfr. Part No.DRV8834PWP
HK$25.65
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. 920-6210
Mfr. Part No.L298P
HK$43.98
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 4A - - 46 V Surface Mount PowerSO 46 V 20 4.8 V - -
RS Stock No. 172-9273
Mfr. Part No.A4975SLBTR-T
HK$27.758
Each (On a Reel of 3000)
units
Stepper - Bipolar 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 4.5 V - -
RS Stock No. 178-1402
Mfr. Part No.L6206PD
HK$50.14
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 36 8 V - -
RS Stock No. 172-9265
Mfr. Part No.A3967SLBTR-T
HK$23.971
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. 753-2059
Mfr. Part No.A4975SLBTR-T
HK$29.75
Each
units
Stepper - Bipolar 1.5A - - 50 V Surface Mount SOIC W 5.5 V 16 4.5 V - -
RS Stock No. 168-6795
Mfr. Part No.L6205PD
HK$50.74
Each (In a Tube of 31)
units
Brushed DC - Dual Full Bridge 2.8A - - 52 V Surface Mount PowerSO 52 V 20 8 V 100kHz -
RS Stock No. 921-5276
Mfr. Part No.DRV8412DDW
HK$61.281
Each (In a Tube of 35)
units
Brushed DC - Dual Full Bridge 6A - - 52 V Surface Mount HTSSOP 13.2 V 44 10.8 V 500kHz -
RS Stock No. 761-7201
Mfr. Part No.MTD6505T-E/NA
BrandMicrochip
HK$6.76
Each (In a Pack of 5)
units
BLDC - 3 Phase 0.75A - - 5 V Surface Mount UDFN 5.5 V 10 2 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. 428-304
Mfr. Part No.TB6559FG(O,8,EL)
BrandToshiba
HK$30.97
Each (In a Pack of 2)
units
Brushed DC - Full Bridge 2.5A - - 30 V Surface Mount HSOP 30 V 18 10 V - -
RS Stock No. 165-7508
Mfr. Part No.BTN7970BAUMA1
BrandInfineon
HK$39.885
Each (On a Reel of 1000)
units
BLDC - Half Bridge 50A - - 18 V Surface Mount TO-263 18 V 7 8 V 25kHz -
RS Stock No. 770-3680
Mfr. Part No.TB6560AHQ(O,8)
BrandToshiba
HK$57.76
Each
units
Stepper - Bipolar 3.5A - - - Through Hole HZIP 5.5 V 25 4.5 V 130kHz -
RS Stock No. 770-3719
Mfr. Part No.TB6562AFG(O,8,EL)
BrandToshiba
HK$11.38
Each
units
Stepper - Bipolar 1.5A - - 40 V Surface Mount SSOP 34 V 30 10 V 110kHz -
RS Stock No. 919-8803
Mfr. Part No.BTN7930BAUMA1
BrandInfineon
HK$29.18
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. 163-2325
Mfr. Part No.STK672-440BN-E
HK$63.191
Each (In a Tube of 15)
units
Stepper - Unipolar 3.5A - - 46 V Through Hole SIP 5.25 V 19 4.75 V 48kHz -
RS Stock No. 738-5452
Mfr. Part No.DRV8332DKD
HK$95.64
Each
units
BLDC - 3 Phase 8A - - 52 V Surface Mount HSSOP 13.2 V 36 10.8 V 500kHz -
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