TDA5145 NXP Semiconductors, TDA5145 Datasheet
TDA5145
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... DATA SHEET TDA5145 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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... Hard disk drive – Tape drive – Optical disk drive. GENERAL DESCRIPTION The TDA5145 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 Pin numbers for both DIL and SOL packages are identical. June 1994 Fig.1 Block diagram. 3 Product specification TDA5145 ...
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... MOT0 26 input from the star point of the motor coils GND1 27 and 28 ground (0 V) motor supply return for output stages Note 1. Pin numbers for both DIL and SOL packages are identical. June 1994 DESCRIPTION 4 Product specification TDA5145 ...
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... June 1994 FUNCTIONAL DESCRIPTION The TDA5145 offers a sensorless three phase motor drive function unique in its combination of sensorless motor drive and full-wave drive. The TDA5145 offers protected outputs capable of handling high currents and can be used with star or delta connected motors. It can easily be adapted for different motors and applications ...
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... June 1994 MBD866 3 P tot ( 150 200 amb Fig.4 Power derating curve (SOT136-1; SO28L). CONDITIONS note 1 note 2 see Fig.1 after shut-down 6 Product specification TDA5145 MBD557 0 50 100 150 200 amb MIN. TYP. MAX 6.8 7 130 140 ...
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... VMOT see Fig.6 VMOT see Fig.6 VMOT ) I = 500 mA notes 4 and 5; see Fig 500 mA notes 4 and 5; see Fig.1 note 330 ; < V < < V < Product specification TDA5145 MIN. TYP. MAX. 0 VMOT 0.9 1.05 V 1.6 1.85 V 180 mV 180 mV 1.8 2.0 2 1 ...
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... V < V < normal mode < V & 1.5 2.5 0.2 V < V < 0.3 V CAP-TI 0.3 V < V < 2.2 V CAP-TI 10.6 5.3 1.85 850 2.3 8 Product specification TDA5145 TYP. MAX. UNIT 2.0 2.5 A 2.0 1.5 A 0. ...
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... The outputs are short-circuit protected by limiting the current and the IC temperature. Fig.5 Switching levels with respect to MOT1, MOT2 and MOT3. Fig.6 Output transition time measurement. June 1994 CONDITIONS MIN. 10.1 20.9 0.9 850 2 mA Product specification TDA5145 TYP. MAX. UNIT 15.5 20.9 A 15.5 10.1 A 1.025 1.15 875 900 mV 2.4 2.55 ...
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... FG output pin. This is an open collector output and provides an output signal with a frequency that is half the commutation frequency. The system will only function when the EMF voltage from the motor is present. Therefore, a start oscillator is 10 Product specification TDA5145 (1) (1) MOT2 MOT3 L H ...
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... If the movement of the motor generates enough EMF the TDA5145 will run the motor. If the amount of EMF generated is insufficient, then the motor will move one step only and will oscillate in its new position. The amplitude of ...
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... Philips Semiconductors Brushless DC motor drive circuit Fig.8 Typical application of the TDA5145 as a scanner driver, with use of OTA. June 1994 Product specification TDA5145 ...
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... For the watchdog function a value for CAP- recommended. To ensure a good start-up and commutation, care must be taken that no oscillations occur at the trailing edge of the flyback pulse. Snubber networks at the outputs should be critically damped. Typical voltage waveforms are illustrated by Fig.10. 13 Product specification TDA5145 ...
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... Direction function Brake function Reliability. FG SIGNAL The FG signal is generated in the TDA5145 by using the zero-crossing of the motor EMF from the three motor windings. Every zero-crossing in a (star connected) motor winding is used to toggle the FG output signal. The FG frequency is therefore half the commutation frequency. All transitions indicate the detection of a zero-crossing ...
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... If the voltage at pin 21 is >2.0 V, the output states are shown in Table 2. Table 2 Output states if V DRIVER OUTPUT MOT1 MOT2 MOT3 Note high-impedance OFF-state LOW state HIGH state. (1) (1) MOT1 MOT2 Product specification TDA5145 > 2.0 V. RESET STATE (1) DIR FUNCTION H reset H normal direction mode sequence reset Z reverse direction mode sequence (1) ...
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... Thermal protection of the six output transistors is achieved by each transistor having a thermal sensor brake that is active when the transistor is switched on. The brake transistors are switched off when the local temperature brake becomes too high. 16 Product specification TDA5145 ...
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... Dimensions in mm. Fig.11 Plastic dual in-line package; 28 leads (600 mil) (SOT117-1; DIP28). June 1994 36.0 35.0 0.53 2.54 max (13x) 1.7 max Product specification TDA5145 15.80 15.24 4.0 5.1 max max 0.51 min 0.254 M 0.32 max 15.24 17.15 15.90 14.1 13 ...
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... Dimensions in mm. Fig.12 Plastic small outline package; 28 leads; large body (SOT136-1; SO28L). June 1994 18.1 17.7 0 0.49 0.25 M 0.36 1.27 (28x) 18 Product specification TDA5145 7.6 7.4 10.65 10.00 1.1 1.0 2.45 0.3 2.25 0.32 0.1 0.23 1.1 0 detail ...
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... Apply a low voltage soldering iron below the seating plane (or not more than 2 mm above it). If its temperature is below 300 C, it must not be in contact for more than between 300 and 400 C, for not more than Product specification TDA5145 - BY HAND HELD SOLDERING ) ...
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... These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. June 1994 20 Product specification TDA5145 ...
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... Philips Semiconductors Brushless DC motor drive circuit June 1994 NOTES 21 Product specification TDA5145 ...
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... Philips Semiconductors Brushless DC motor drive circuit June 1994 NOTES 22 Product specification TDA5145 ...
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... Philips Semiconductors Brushless DC motor drive circuit June 1994 NOTES 23 Product specification TDA5145 ...
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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, ...