TDA5240T

Product specification File under Integrated November 96 Circuits, ICO1 Philips Semiconductors re Philips Semiconductors Product specification Brushless DC motor drive circuit TDA5240T FEATURES .Full-wave .Built-in .Optimum .Built-in .Three -0.85 -built-in .Thermal .Soft .Low .Tacho commutation start-up circuit commutation flyback diodes push-pull outputs: independent on motor type or motor loading (using push/pull drivers at the output stages) without position sensors A output current current limiter protection slope outputs for low radiation. current consumption by adaptative base-drive output without extra sensor. for external position generator (PG) signal PG signal on one pin for easy use with a controlling .Comparator .Built-in .Linear .PG multiplexer combining internal FG and external microprocessor control of the output stages signal output. APPLICATIONS .General purpose spindle driver ( e.g. VCR scanner motor). GENERAL DESCRIPTION The TDA5240T is a bipolar integrated circuit used to drive brushless DC motors in full-wave mode. The device senses the rotor position using an EMF-sensing technique and is ideally suited as a drive circuit for VCR scanner motors. QUICK REFERENCE DATA Measured over full voltage and temperature ranges MIN. TYPo 18 SYMBOL Vp IUM Vo PARAMETER supply voltage range (note 1) MAX. UNIT 4 0.6 0.85 0.93 + Lower transistor) current limiting output voltage at 10 = 100 mA(Upper 1 1.05 ~ Note 1. An unstabilized supply...