tda5240t NXP Semiconductors, tda5240t Datasheet
tda5240t
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tda5240t Summary of contents
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Product specification File under Integrated Circuits, ICO1 Philips Semiconductors November re 96 ...
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... APPLICATIONS .General purpose spindle driver GENERAL DESCRIPTION The TDA5240T is a bipolar integrated the rotor position using an EMF-sensing QUICK REFERENCE DATA Measured over full voltage and temperature SYMBOL supply voltage range (note current limiting IUM ...
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... Philips Semiconductors Brushless DC motor drive circuit ORDERING INFORMATION TYPE NUMBER NAME TDA5240T SO20L November 96 PACKAGE DESCRIPTION 20-pin small-outline; plastic Fig.1 Power derating curve 3119 Product specification TDA5240T VERSION SOT163AH17 ...
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... Philips Semiconductors Brushless DC motor drive circuit BLOCK DIAGRAM r CTLIf'I CAPST - . CAPCDSI CAPCDM CAPTII I I PGOUTI ,, PGFG '\' November 96 CAP-CPC - .. - . - T PGlfr .GND2- -tND1- Fig.2 Block diagram. 4/19 Product specification TDA5240T VP , MOT1 MOT2 MOT3 IMOTO - J ...
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... November 96 DESCRIPTION 1 20 GND1 MOT2 TDA5240T PGIN 6 15 FGPG 7 14 GND2 8 13 PGOUT 9 12 CAP–CDM 10 11 Fig. 3 Pin configuration 5/19 Product specification TDA5240T MOT1 n.c. MOT3 n.c. CAP–CPC MOT0 CTL IN CAP–TI CAP–ST CAP–CDS ...
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... The TDA5240T 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. The TDA5240T offers the following .Sensorless commutation by using the motor EMF .Built-in start-up circuit ...
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... Fig. 2; –1 500 mA O note 5 – 0 See Fig. 6 0 CAPCPC CAP–CPC = 100 nF 4 1.5V and CTLIN CTLIN 7/19 Product specification TDA5240T Typ Max Unit – 5 140 150 C T –30 – – – ...
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... PG IN pulse 5 7 1.5 2.0 –2.5 –2.0 – 0.20 – 0.30 – 2. –70 –63 –6.0 –5.3 – 50 – 0.30 – 2.20 10.6 16.2 –5.3 –8.1 1.85 2.05 780 860 2.3 2.4 8/19 Product specification TDA5240T Max Unit +5 V 650 107 mV – – 0 – – – – 2.5 mA – ...
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... Switching levels with respect to MOT1, MOT2 and MOT3. 4. Drivers are in high impedance OFF–state. 5. The outputs are short–circuit protected by limiting the current and the IC temperature. November 96 Conditions Min 10.1 –20.9 0.9 780 2.3 1 –100 = Fig. 4 Switching levels 9/19 Product specification TDA5240T Typ Max Unit 15.5 20.9 A –15.5 –10.1 A 1.025 1.15 860 940 mV 2.4 2.55 V – ...
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... TDA5240 is providing 1 multiplexed FG PG signal: pin7 (SO20) FG–PG 3 times the number of pole pairs output signal is generated; pulse width is typically 7 s. Table 1 OUTPUT STATES STATE MOT1 Table 1, the sequence of the six possible states of the outputs has been depicted November 96 MOT2 MOT3 10/19 Product specification TDA5240T ...
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... Philips Semiconductors Brushless DC motor drive circuit November 96 Fig.5 Typical application of the TDA5240T. 11/19 Product specification TDA5240T ...
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... The start oscillator is reset by a commutation from the start oscillator will cause the outputs to change to the next state (torque in the motor) .If the movement generates enough EMF the TDA5240T move one step only and will oscillate in its new position. The amplitude of the oscillation must decrease arriving during the wrong phase of the oscillation ...
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... ZCR ZCR ZCR ZCR and CAP-CDS voltage waveforms (ZCR=ZERO-CROSSING ; COM=COMMUTATION) steps within one commutation 13/19 Product specification TDA5240T period, with an interruption of the charging current is discharged at twice the charging of interest, fc1 : is generated by the discharge ZCR ZCR in normal running mode ...
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... C = 2.63 x 3.5 = 9.2 (choose 10 nF) can occur in certain positions of a blocked rotor. If the chosen value is too large, then it is (synchronously with little torque). in normal running mode. 14/19 Product specification TDA5240T active when ms ). However, if the motor the end, or, if the motor time is the time taken to ...
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... There are other design aspects concerning .Generation of the tacho signal FG .Built-in interface for a PG sensor. .Reliability . FG SIGNAL The FG signal is generated in the TDA5240T Every zero-crossing in a (star connected) therefore half the commutation frequency. negative-going edges are called FG pulses because they generate an interrupt in a controlling The accuracy of the FG output signal Oitter) is very good ...
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... November 96 The 'upper' output transistors is achieved by each transistor on. The transistors are switched off when the local temperature 16/19 Product specification TDA5240T use the same base current as the having a thermal sensor that is active becomes too high. ...
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... Philips Semiconductors Brushless DC motor drive circuit PACKAGE OUTliNE 0.9 (4x) 0.4 IJ r-,OODP ~ 20 pin index Dimensions in mm Fig.10 November 0. 0.36 (20x) ~ 20-pin small-outline; plastic (SO20L;SOT163A). 17/19 Product specification TDA5240T 1.1 ~ 1.0 2.45 0.3 , 0.32 2.25 0.1 0.23 ~ -,-J 1.1 ..,\ 0.5 * OtO 8° ~ 2065 2035 MBC234 ...
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... The package can be soldered after the adhesive is 260 oC, and maximum two diagonally- opposite end leads. Use only a low voltage soldering in one operation within seconds between 270 and 320 °C. 18/19 Product specification TDA5240T In these situations reflow soldering ICs can be found in our dispensing before package placement. ...
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... Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. hilips Semiconductors yyyy mmm dd Fax: + 24825 Document order number: 1 Product specification TDA5240T Koninklijke Philips Electronics N.V. 1996 All rights reserved. Printed in U.S.A. Date of release: 11-96 9397 750 08756 ...