tda5144t NXP Semiconductors, tda5144t Datasheet
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tda5144t
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tda5144t Summary of contents
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DATA SHEET TDA5144 Brushless DC motor drive circuit Product specification Supersedes data of March 1992 File under Integrated Circuits, IC11 Philips Semiconductors INTEGRATED CIRCUITS June 1994 ...
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... V ; +AMP IN = AMP all outputs I VMOT P ORDERING INFORMATION TYPE NUMBER TDA5144AT TDA5144T June 1994 APPLICATIONS General purpose spindle driver (e.g. for hard disk) Laser beam printer. GENERAL DESCRIPTION The TDA5144 is a bipolar integrated circuit used to drive 3-phase brushless DC motors in full-wave mode. The device is sensorless (saving of 3 hall-sensors) using the back-EMF sensing technique to sense the rotor position ...
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Philips Semiconductors Brushless DC motor drive circuit BLOCK DIAGRAM ...
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Philips Semiconductors Brushless DC motor drive circuit PINNING PIN SYMBOL SO20 SO28 MOT1 1 1 and 2 TEST MOT2 4 5 and 6 n.c. 7 VMOT 5 8 and 9 GND3 ...
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Philips Semiconductors Brushless DC motor drive circuit Fig.2 Pin configuration (SOT163-1; SO20L). FUNCTIONAL DESCRIPTION The TDA5144 offers a sensorless three phase motor drive function unique in its combination of sensorless motor drive and full-wave drive. The TDA5144 offers ...
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Philips Semiconductors Brushless DC motor drive circuit LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER V supply voltage P V input voltage; all pins except I VMOT V VMOT input voltage VMOT V output ...
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Philips Semiconductors Brushless DC motor drive circuit CHARACTERISTICS unless otherwise specified. P amb SYMBOL PARAMETER Supply V supply voltage P I supply current P V input voltage to the output driver VMOT ...
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Philips Semiconductors Brushless DC motor drive circuit SYMBOL PARAMETER AMP OUT (open collector) I output sink current sink V saturation voltage sat V output voltage O SR slew rate G transfer gain tr FG (open collector) V LOW level output ...
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Philips Semiconductors Brushless DC motor drive circuit Notes to the characteristics 1. An unstabilized supply can be used all other inputs all outputs at V VMOT mA. O ...
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Philips Semiconductors Brushless DC motor drive circuit Introduction (see Fig.8) Full-wave driving of a three phase motor requires three push-pull output stages. In each of the six possible states two outputs are active, one sourcing (H) and one sinking (L). ...
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Philips Semiconductors Brushless DC motor drive circuit The oscillation of the motor is given by ---------------------------------- - osc ---------------------- - J where torque constant (N.m/ current (A) ...
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Philips Semiconductors Brushless DC motor drive circuit ...
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Philips Semiconductors Brushless DC motor drive circuit Fig.9 CAP-CD and CAP-DC typical voltage waveforms in normal running mode. T (CAP-TI) HE TIMING CAPACITOR Capacitor CAP-TI is used for timing the successive steps within one commutation period; these steps include some ...
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Philips Semiconductors Brushless DC motor drive circuit If the chosen value of CAP-TI is too small oscillations can occur in certain positions of a blocked rotor. If the chosen value is too large, then it is possible that the motor ...
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Philips Semiconductors Brushless DC motor drive circuit M C OTOR ONTROL DC motors can be controlled in an analog manner using the OTA. For the analog control an external transistor is required. The OTA can supply the base current for ...
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Philips Semiconductors Brushless DC motor drive circuit PACKAGE OUTLINES handbook, full pagewidth S 0.9 (4x) 0.4 20 pin 1 index 1 Dimensions in mm. Fig.11 Plastic small outline package; 20 leads; large body (SOT163-1; SO20L). June 1994 13.0 12.6 0.1 ...
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Philips Semiconductors Brushless DC motor drive circuit handbook, full pagewidth S 0.9 (4x) 0.4 28 pin 1 index 1 Dimensions in mm. Fig.12 Plastic small outline package; 28 leads; large body (SOT136-1; SO28L). June 1994 18.1 17.7 0 ...
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Philips Semiconductors Brushless DC motor drive circuit SOLDERING Plastic small-outline packages B Y WAVE During placement and before soldering, the component must be fixed with a droplet of adhesive. After curing the adhesive, the component can be soldered. The adhesive ...
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Philips Semiconductors Brushless DC motor drive circuit June 1994 NOTES 19 Product specification TDA5144 ...
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Philips Semiconductors – a worldwide company Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428) BUENOS AIRES, Tel. (541)786 7633, Fax. (541)786 9367 Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. (02)805 4455, Fax. (02)805 4466 Austria: Triester Str. 64, ...