3-phase BLDC Motor Control
Demand for brushless DC (BLDC) motors is growing, fuelled by a combination of their inherent reliability and dynamic response, commercial, environmental and legislative pressure for improved efficiencies, and ongoing decreases in the cost of BLDC technology.
Featuring on-chip PWM support for optimum efficiency and sine wave options to minimise acoustic and electrical noise, Toshiba's comprehensive range of IC drivers and controllers for BLDC motors provides for sensor-based and sensorless control.
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BLDC
Controller/
driver
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Documents*
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Peak motor bridge voltage [V]
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Ron Ω Typ. (H + L) #
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Output peak current
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Nr. of BLDC motors
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Input Interface
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BLDC system
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Package
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Comment
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TB6551FG
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2
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-
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2mA
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1
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DC voltage (PWM duty cycle ctrl.)
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3 Hall IC / Sinewave
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SSOP24
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Full wave, Sine-wave PWM Brushless Motor control, Lead angle control, Built-in 5V regulator
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TB6556FG
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12
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-
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2mA
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1
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DC voltage (PWM duty cycle ctrl.)
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3 Hall IC / Sinewave
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SSOP24
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Full wave, Sine-wave PWM Brushless Motor control, Lead angle control, Built-in 5V regulator; auto lead angle function
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TB6571FG
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30
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-
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20mA
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1
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DC voltage (PWM duty cycle ctrl.)
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3 Hall sensors / Sinewave
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QFP52
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Same function as TB6556 plus gate driver and alternative PCB pattern coil based speed signal generator, speed control loop included
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TB6575FNG
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5.5
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-
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0.2mA
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1
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DC voltage (PWM duty cycle ctrl.)
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Sensorless block commutated
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SSOP24
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Sensorless controller/predriver with on chip PWM generation
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TB6582FG
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18
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-
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0.2mA
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1
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DC voltage (PWM duty cycle ctrl.)
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Sensorless sinewave
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QFP52
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Sensorless sine wave controller
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TB6585FG
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45
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0.7
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1.8A
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1
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DC voltage (PWM duty cycle ctrl.)
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3 Hall sensors/ sinewave
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HSOP36
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Sine wave single chip controller & driver; integrated Hall amplifiers
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TB6586FG/AFG
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18
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-
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35mA
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1
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DC voltage (PWM duty cycle ctrl.)
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3 Hall sensors/
sinewave
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HSOP36 / SSOP36
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150 deg commutation type
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TB6588FG
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50
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0.5
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2.5A
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1
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DC voltage (PWM duty cycle ctrl.)
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Sensorless block commutated
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HSOP36
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Sensorless controller & driver with on chip PWM generation
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TB6633FNG
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25
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0.8
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1A
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1
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DC voltage (PWM duty cycle ctrl.)
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Sensorless block commutated
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SSOP24
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Sensorless controller & driver with on chip PWM generation; Lead angle control, soft switching, overlap commutation, TSD, ISD, LVD
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PB = Product Brief
DS = Datasheet
AN = Application Note
# Combined resistance of upper and lower
parts of the bridge.
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