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Brushless DC Motor Controller/Driver ICs

Toshiba three-phase brushless DC (BLDC) motor driver ICs provide excellent performance characteristics with or without position sensors. Sensor-based BLDC are used when the initial load is unknown or it varies, or when high initial torque is required.

Sensor-less BLDC motors are typically used in fans where they save Hall sensors and wiring. Typical applications include power tools, refrigerator/cooling (compressors) and HVAC (e.g. fan).

BLDC motors offer several advantages over brushed DC motors, including higher efficiency and reliability, reduced noise, longer lifetime (no brush erosion), elimination of ionizing sparks from the commutator, and an overall reduction of electromagnetic interference (EMI).

Toshiba controllers contain three bi-directional drivers to drive high-current DC power, which are controlled by a logic circuit.

Toshiba's newly developed TB6586FG/AFG motor controller IC has a 150°-turn-on angle and employs a lead angle control function that sets the optimum turn-on point to enable highly efficient driving of three-phase brushless motors.

Highlights
Wide operating supply-voltage range
With and without position sensor feedback
Sine wave PWM drive controller and high-voltage driver integrated in a single package
Built-in bootstrap control circuit
Various built-in protective circuits (over current protection, low power supply voltage monitoring)
Available in several different and small package sizes
Product Guides

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Brushless DC Motor Controller/Driver ICs
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Operating Temperature
Number of Pins
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Storage Temperature
Average Forward Current IF(AV)
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Output Current Iout (peak)
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TA84006FG - -30 85 degC 30 SSOP30-P-375-1.00 Y - Full wave type -55 150 degC 1 A 1 1 A 25 V
TB6551FAG Stock Check -30 115 degC 24 SSOP24-P-300-1.00B Y 6 10 V P-SSOP24-0613-1.00-001 -50 150 degC 0.002 A 1 0.002 A 12 V
TB6551FG Stock Check -30 115 degC 24 SSOP24-P-300-1.00 Y 6 10 V Full wave typeSinewave PWM brushless motor control
-50 150 degC 0.002 A 1 0.002 A 12 V
TB6556FG Stock Check -30 115 degC 30 SSOP30-P-375-1.00 Y 6 10 V Full wave typeSinewave PWM brushless motor control
Auto lead angle function
-50 150 degC 0.002 A 1 0.002 A 12 V
TB6575FNG Stock Check -30 105 degC 24 SSOP24-P-300-0.65A Y 4.5 5.5 V PWM typeExternal transistor system
-55 150 degC 0.02 A 1 0.02 A 5.5 V
TB6585AFTG Stock Check -30 to 85 degC 48 QFN48-P-0707-0.50 Y - PWM type -55 to 150 degC - - - -
TB6585FG Stock Check -30 85 degC 36 HSOP36-P-450-0.65 Y 4.5 42 V PWM type -55 150 degC 1.8 A 1 1.8 A 45 V
TB6585FTG Stock Check -30 85 degC 48 QFN48-P-0707-0.50 Y - PWM type -55 150 degC 1 A 1 1 A 45 V
TB6588FG Stock Check -30 105 degC 36 HSOP36-P-450-0.65 Y 7 42 V PWM type -55 150 degC 2.5 A 1 2.5 A 50 V
TB6631FNG Stock Check -30 115 degC 30 SSOP30-P-300-0.65 Y 7 16.5 V Auto lead angle functionFull wave type
Sinewave PWM brushless motor control
-55 150 degC - 1 - -
TB6633AFNG Stock Check -40 85 degC 24 SSOP24-P-300-0.65A Y - PWM chopper control -55 150 degC 1 A 1 1 A 25 V
TB6633FNG Stock Check -40 85 degC 24 SSOP24-P-300-0.65A Y - PWM chopper control -55 150 degC 1 A 1 1 A 25 V
TC7600FNG - -30 105 degC 30 SSOP30-P-300-0.65 Y - Sinewave PWM brushless motor control -55 150 degC 0.002 A 1 0.002 A 6 V

*Absolute Maximum Ratings (Ta = 25°C)
**Under Development
*** Improved overcurrent protection
**** This driver is only high output stage. Additional controller is necessary.
Under Function, the "Controller & Driver" is a dual die package and the "Driver" is a power stage with no controller.

† RoHS-Compatible products either (i) contain no more than a maximum concentration value of 0.1% by weight in Homogeneous Materials for lead, mercury, hexavalent chromium, polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs) and of 0.01% by weight in Homogeneous Materials for cadmium; or (ii) fall within any of the application exemptions set forth in the Annex to the RoHS Directive (Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment). Homogeneous Material means a material of uniform composition that cannot be mechanically disjointed (meaning separated, in principle, by mechanical actions such as unscrewing, cutting, crushing, grinding and/or abrasive processes) into different materials. Examples of Homogeneous Materials would be individual types of plastics, ceramics, glass, metals, alloys, paper, board, resins and coatings.