TB6548F_06 TOSHIBA [Toshiba Semiconductor], TB6548F_06 Datasheet
TB6548F_06
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TB6548F_06 Summary of contents
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TOSHIBA CMOS Integrated Circuit Silicon Monolithic 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 ...
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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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Positional Variation Since positional detection is performed in synchronization with the PWM signal, positional variation occurs in connection with the frequency of the PWM signal. Take particular care if using the IC for high-speed motors. Variation is calculated by ...
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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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Application Circuit Example = WAVE PWM signal PWM OUT_UP OUT_UN OUT_VP FG signal FG_OUT OUT_VN OUT_WP OUT_WN OC GND <TB6548F/FG> Note 1: Utmost care is necessary in the design of the output, V short-circuiting ...
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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 ...