TB6582FG(O,EL) Toshiba, TB6582FG(O,EL) Datasheet
TB6582FG(O,EL)
Specifications of TB6582FG(O,EL)
TB6582FGOELTR
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TB6582FG(O,EL) Summary of contents
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... Preliminary TOSHIBA Bi-CMOS IC Silicon Monolithic PWM Type, Sine-Wave Current, and Sensorless 3-Phase Full-Wave Brushless Motor Controller The TB6582FG is designed for controlling the three-phase brushless DC fan motor. Features • Sine-wave PWM control • Built-in triangular-wave generator (carrier cycle = f /252 (Hz)) osc • Built-in dead time function (1.8 µs) • ...
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Design Specifications Block Diagram Preliminary 5-V regulator V Internal reference refout 8 voltage (5 V) OSC/C 31 System clock OSC/R generator 30 Operating mode select Sys. RES 14 • Output off EP • Startup control 20 • ...
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External Parts Symbol Function OSC/C Reference clock generation (5 MHz) OSC excitation setting oscillation prevention REF refout C V power supply stabilization VCC CC R Phase current detection ...
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Pin Description Pin No. Symbol I/O Power supply voltage pin V CC Internal reference voltage pin 5 V (typ.)/5 mA (max refout Connected to a capacitor of 0.1 µF for power supply stabilization ...
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Design Specifications Pin No. Symbol I Induced voltage detection input Induced voltage detection input Induced voltage detection input Induced voltage detection filter pin WO 37 ...
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Pin Assignment Win vin ...
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Absolute Maximum Ratings Characteristics Power supply voltage Input voltage Turn-on signal output current Power dissipation Operating temperature Storage temperature Note 1: EP, CW/CCW, FGC, Sys.RES, FRCDRV, Fst, V ≥ V Note Note 3: For IC only ...
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Electrical Characteristics Characteristics Symbol Power supply current ( ( (3) Input current (2) Input ...
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Functional Description 1. Basic Operation The TB6582FG is a sensorless 3-phase hall motor controller driven by the sine wave. It provides a sensorless square-wave drive with zero-cross detection of the induced voltage, without using position sensors, such as a Hall-effect ...
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Design Specifications Instructions used in each operation mode are listed below. Operation Mode Reverse rotation brake V BRK DC excitation for starttup DC excitation C SC Forced commutation V SP Sensorless square-wave V SP Sensorless sine-wave Startup ...
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Design Specifications (a) DC excitation time Duty cycle is determined by the gradient of SC terminal voltage, which depends on the charging of a capacitor. This voltage is clamped when the output duty cycle reaches about 35% for the de-excitation ...
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Controls the commutation output with the input signal status and motor operation status. Input information to the CW/CCW SP (V COM Low 2 CCW Within the CW ...
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Design Specifications 6. Sample and Hold of the Phase Current The pseudo-sine waveform is generated from the PWM waveform by sampling and holding the voltage value that is converted from the detected phase-current value as described in section 5. The ...
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Design Specifications 7. Induced Voltage Detection (Sine-wave generation) The induced voltages of each phase are detected by applying an analog calculation to the current signal generated in section 6 and the voltage signal detected at the motor. Current Induced voltage ...
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Lead Angle Correction The phase-current delay is corrected by comparing the phase current from the shunt resistor circuit (U-phase) and the induced voltage detected at the induced voltage detection circuit (U-phase). Vu Phase current ( Induced voltage ...
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Design Specifications Note 1: Determining the capacitor value of C The difference between the zero-cross point of the induced voltage generated at the U-phase output and the one of the induced voltage calculated by the TB6582FG should be measured by ...
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Design Specifications 9. 5-V-Internal Regulator External input voltage the internal circuits of the IC. The reference voltage is generated at the V resistor can be connected ( (max)). A capacitor must also be connected ...
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Design Specifications 13. Reverse Rotation Brake When the motor is rotating in reverse direction due to conditions like adverse wind, the direction of the motor rotation is corrected to the regular direction (specified with the CW/CCW pin) using the reverse ...
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Design Specifications 14. Limiting the Output Pulse Width The pulse width of the drive output signal must be less than 0.4 µs so that the external output driver would not be damaged. 15. Rotation Pulse Output Pin Generates a rotation ...
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Design Specifications 17. Overcurrent Protection Two input signals can be used for current limiting. (1) Iduty The voltage specified by the Iduty pin and the voltage converted from a phase current is compared. When the former voltage is lower than ...
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Design Specifications Iout Iout Iout Iu Phase current detection (×3) Iv Sample and hold Iw V refout Iduty Microcontroller refout V BRK Three-phase & synthesized voltage To I CUT Sine-wave control/square-wave control/DC excitation/reverse rotation brake (Sine-wave/ ...
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Design Specifications (2) Icut When the three-phase synthesized voltage reaches the voltage specified by the Icut pin, drive outputs (UH, UL, VH, VL, WH and WL) are set Low. The drive output operation is restarted when a voltage is reapplied ...
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Timing Chart (CW/CCW = Low, REV = Low) The operation image of the drive outputs corresponding to detected voltages Eu, Ev and Ew is illustrated below. EU Calculated EV induced voltage EW Phase current UH frequency < ...
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High, REV = Low) Timing Chart The operation image of the drive outputs corresponding to detected voltages Eu, Ev and Ew is illustrated below. EU Calculated EV induced voltage EW Phase current UH frequency < ...
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... Application Circuits The application circuits shown in this document are provided for reference purposes only. evaluation is required, especially at the mass production design stage. Toshiba does not grant any license to any industrial property rights by providing these examples of application circuits. 5. Test Circuits Components in the test circuits are used only to obtain and confirm the device characteristics. These components and circuits are not guaranteed to prevent malfunction or failure from occurring in the application equipment ...
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Points to remember on handling of ICs (1) Over current Protection Circuit Over current protection circuits (referred to as current limiter circuits) do not necessarily protect ICs under all circumstances. If the Over current protection circuits operate against the over ...
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Package Dimensions Weight: 0.45 g (typ.) Design Specifications Preliminary 27 TB6582FG 2007-10-18 ...
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... The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties ...