INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF4752V LSI A.C. motor control circuit Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification HEF4752V LSI A.C. motor control circuit DESCRIPTION PINNING The HEF4752V is a circuit for a.c. motor speed control utilizing LOCMOS technology. The circuit synthesizes three 120° out of phase signals, of which the average voltage varies sinusoidally with time in the frequency range 0 to 200 Hz. The method employed is based upon the pulse width modulation principle, in order to achieve a sufficient accuracy of the output voltages over the whole frequency range. A pure digital waveform generation is used. Inputs; group I 24 = L data 25 = I All outputs are of the push-pull type. Inputs and outputs are protected against electrostatic effects in a wide variety of device-handling situations. However, to be totally safe, it is desirable to take handling precautions into account. data 7=K data 5 = CW data 13 = A data 15 = B data 16 = C data Inputs; group II 12 = FCT frequency clock 17 = VCT voltage clock 4 = RCT reference clock 6 = OCT output delay clock Outputs; group I 23 = RSYN R-phase synchronization 26 = VAV average voltage 18 = CSP current sampling pulses Outputs; group II 8 = ORM1 R-phase main 9 = ORM2 R-phase main 10 = ORC1 R-phase commutation 11 = ORC2 R-phase commutation 22 = OYM1 Y-phase main 21 = OYM2 Y-phase main 20 = OYC1 Y-phase commutation 19 = OYC2 Y-phase commutation 3 = OBM1 B-phase main 2 = OBM2 B-phase main 1 = OBC1 B-phase commutation 27 = OBC2 B-phase commutation SUPPLY VOLTAGE RATING HEF4752V Fig.1 Pinning diagram. January 1995 2 RECOMMENDED OPERATING −0,5 to 18 4,5 to 12,5 V Philips Semiconductors Product specification HEF4752V LSI A.C. motor control circuit HEF4752VP(N): 28-lead DIL; plastic (SOT117-2) HEF4752VD(F): 28-lead DIL; ceramic (cerdip) (SOT135) ( ): Package Designator North America FAMILY DATA See Family Specifications January 1995 3 PARAMETER −40 + 25 MIN. MAX. Quiescent device current Input leakage current Input voltage HIGH Input voltage LOW Output voltage HIGH Output voltage LOW 4 Input tripping level; input voltage increasing Input tripping level; input voltage decreasing Output current LOW Output current HIGH 5 10 10 5 10 5 10 5 10 5 10 5 Output current HIGH UNIT CONDITIONS MIN. MAX. MIN. MAX. IDD − 50 − 50 − 375 µA all valid input combinations; − 100 − 100 − 750 µA VI = VSS or VDD ± IIN − − − 0,3 − 1 µA VI = 0 or 10 V 3,5 − 3,5 − 3,5 − V 7,0 − 7,0 − 7,0 − V VIH VIL VOH VOL − 1,5 − 1,5 − 1,5 V − 3,0 − 3,0 − 3,0 V 4,95 − 4,95 − 4,95 − V 9,95 − 9,95 − 9,95 − V − 0,05 − 0,05 − 0,05 V − 0,05 − 0,05 − 0,05 V inputs: group I inputs: group I VI = VSS or VDD; IO < 1 µA VI = VSS or VDD; IO < 1 µA 1,5 4,0 1,5 4,0 1,5 4,0 V 3,0 8,0 3,0 8,0 3,0 8,0 V 1,0 3,5 1,0 3,5 1,0 3,5 V 2,0 7,0 2,0 7,0 2,0 7,0 V 0,45 − 0,38 − 0,3 − mA VOL = 0,4 V 1,4 − 1,17 − 0,9 − mA VOL = 0,5 V −IOH 0,3 − 0,25 − 0,2 − mA VOH = 4,6 V 0,9 − 0,75 − 0,6 − mA VOH = 9,5 V 5 −IOH 0,9 − 0,75 − 0,6 − mA VOH = 2,5 V 5 −IOH 0,6 − 0,5 − 0,4 − mA VOH = 4,6 V 1,8 − 1,5 − 1,2 − mA VOH = 9,5 V −IOH 1,8 − 1,5 − 1,2 − mA VOH = 2,5 V − − typ. 2 − − − mA IOL = IOH = 0; frequency applied to inputs; FCT = 700 kHz; VCT = 400 kHz; RCT = 400 kHz 10 5 10 5 10 5 10 Output current HIGH + 85 10 Total supply current 10 IOL Itot inputs: group II outputs: groups I and II outputs: group I outputs: group I outputs: groups II outputs: group II Product specification 5 Vtd inputs: group II HEF4752V LSI Output current HIGH Vti Philips Semiconductors Tamb (°C) VDD SYMBOL V A.C. motor control circuit January 1995 DC CHARACTERISTICS VSS = 0 V Philips Semiconductors Product specification HEF4752V LSI A.C. motor control circuit Furthermore, the HEF4752V contains all logic circuitry required for this special waveform generation, so that the amount of control circuit components is reduced considerable. The speed drive system in Fig.2 is controlled by the analogue control section. The FCT and VCT clock pulse oscillators are driven in such a way, that a fast response speed control of the a.c. motor is obtained, depending on: the reference values for speed; motor voltage; motor current (Limited by the measured motor current via DCCT - d.c. current transformer -); the increasing value of VCb during braking action. APPLICATION INFORMATION Figure 2 shows the functional block diagram of a 3-phase a.c. motor speed control system using a thyristorized inverter with variable frequency output. The inverter control signals are generated by the HEF4752V (PWM-IC). A special feature of the PWM (Pulse-Width Modulation) - IC is here, that the motor is supplied by sinoidally modulated pulses, hence the resulting motor current will approach a sine-wave with a minimum on higher harmonics. In this way, an optimum speed drive with high performance is obtained. Fig.2 PWM motor speed control system using HEF4752V. January 1995 5 Philips Semiconductors A.C. motor control circuit January 1995 6 Product specification HEF4752V LSI Fig.3 Application of HEF4752V in a basic circuit configuration for AC motor control.