TDA5241 Datasheet | NXP Semiconductors

FEATURES .Full-wave .Built-in .Optimum .Built-in .Three -0.85 -built-in .Thermal .Low .Tacho ..parator .Built-in mutation start-up circuit independent on motor type or motor loading (using push/pull drivers at the output stages) without position sensors mutation flyback push-pull A output current protection consumption diodes outputs: current limiter current by adaptative base-drive output without extra sensor. position generator (PG) signal PG signal on one pin for easy use with a controlling for external multiplexer bining internal FG and external microprocessor .Linear .PG control of the output stages signal output. APPLICATIONS .General purpose spindle driver ( e.g. VCR scanner motor). GENERAL DESCRIPTION The TDA5241 is a bipolar integrated circuit used to drive brush less 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 and temperature ranges MIN. Measured over full voltage SYMBOL Yp IUM Yo PARAMETER supply I cu!rent TYP. ~ ~ MAX. UNIT v A V voltage limiting range (note 1 } 4 0.6 0.85 0.93 I o U~Ut voltage at 10 = 100 m A(Upper+Lower transistor) Note 1. An unstabilized supply can be used; Transients of 2 V allowed with max slope 0.1 V/J.ls. 2/19 Philips Semiconductors Product specification Brushless DC motor drive circuit ORDERING INFORMATION . . Fig.1 Power derating curve . March 1997 3/19 Philips Semiconductors Product specification Brushless DC motor drive circuit BLOCK DIAGRAM March 1997 4/19 Philips...