ta84005f TOSHIBA Semiconductor CORPORATION, ta84005f Datasheet
ta84005f
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ta84005f Summary of contents
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... Three-Phase Full-Wave PWM Sensorless Controller for Brushless DC Motors The TB6548F/ three-phase full-wave sensorless controller for brushless DC motors. The device supports voltage control by PWM signal input and is capable of PWM type sensorless driving when used in conjunction with the TA84005F/FG. Features • Three-phase full-wave sensorless drive • ...
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Block Diagram PWM 3 PWM Control SEL_LAP 8 Rotation CW_CCW 4 Instruction Circuit LA0 1 Lead Angle Setting Circuit LA1 2 Clock Generator Circuit Pin Assignment CW_CCW SEL_LAP V FG_OUT Turn-on Signal Forming Circuit ...
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Pin Description Pin No. Symbol I/O Lead angle setting signal input pin • 1 LA0 I • • • 2 LA1 I • PWM signal input pin • • 3 PWM I • Rotational direction signal input pin • 4 ...
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Pin No. Symbol I/O W-phase upper turn-on signal output pin • 21 OUT_WP O • W-phase lower turn-on signal output pin • 22 OUT_WN O • Overcurrent signal input pin • • Positional signal input pin • ...
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... PWM Control Upper turn-on signal (OUT-P) Lower turn-on signal (OUT-N) Output voltage of the TA84005F/FG 5 TB6548F/FG 2006-03-02 ...
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... PWM signal. Take particular care if using the IC for high-speed motors. Variation is calculated by detecting at two consecutive rising edges of the PWM signal. 1/f < Detection time variation < 2/f p PWM signal Output voltage of the TA84005F/FG Reference voltage Positional signal Ideal detection timing f : PWM frequency p p Pin voltage ...
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Lead Angle Control The lead angle is 0 degrees during the starting forcible commutation and, when normal commutation is started, automatically changes to the lead angle that has been set using LA0 and LA1. However, if both LA0 and ...
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Start/Stop Control Start/Stop is controlled using the PWM signal input pin. A stop is acknowledged when the PWM signal duty is 0, and a start is acknowledged when the ON-signal of a frequency four times higher than the resonator ...
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Absolute Maximum Ratings Characteristic Power supply voltage Input voltage Turn-on signal output current Power dissipation Operating temperature Storage temperature Recommended Operating Conditions Characteristic Symbol Power supply voltage V DD Input voltage V in PWM frequency f PWM Oscillation frequency f ...
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V Electrical Characteristics Characteristic Symbol Static power supply current I DD Dynamic power supply current I DD (opr) I (H) IN-1 I (L) IN-1 Input current I (H) IN-2 I (L) IN-2 V (H) IN Input voltage ...
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... Positional detection signal COMP IN_UP IN_UN IN_VP IN_VN IN_WP IN_WN ISD Overcurrent detection GND signal <TA84005F/FG> and GND lines since the IC may be destroyed TB6548F/FG OUT_U OUT_V M OUT_W RF VISD1 VISD2 2006-03-02 ...
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Package Dimensions Weight: 0.32 g (typ.) 12 TB6548F/FG 2006-03-02 ...
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Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...
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TB6548F/FG 2006-03-02 ...