ZXBM2003X10TC Diodes Incorporated

ZXBM2001 ZXBM2002 ZXBM2003 VARIABLE SPEED 2-PHASE FAN MOTOR CONTROLLER DESCRIPTION The ZXBM200x is a series of 2-phase, DC brushless motor pre-drivers with PWM variable speed control suitable for fan and blower motors. FEATURES Built in lock detect protection, rotational speed sensing and automatic recovery Built in Hall amplifier allows direct connection to Hall element PWM Speed control via - External voltage - Thermistor input - External PWM source Speed (FG) pulse output ZXBM2003 Rotor lock output ZXBM2002 Combined Rotor Lock (RD) and Speed (FG) signal ZXBM2001 Up to 18V input voltage (60V with external regulator) MSOP10 package APPLICATIONS Mainframe and Personal Computer Fans and Blowers Instrumentation Fans Central Heating Blowers Automotive climate control ORDERING INFORMATION DEVICE REEL SIZE TAPE WIDTH QUANTITY PER REEL ZXBM200xX10TA 7 (180mm) 12mm 1,000 ZXBM200xX10TC 13 (330mm) 12mm 4,000 Example: ZXBM2001X10TA DEVICE MARKING ZXBM2001 or BM21 ZXBM2002 or BM22 ZXBM2003 or BM23 ISSUE 4 - OCTOBER 2004 1 SEMICONDUCTORSZXBM2001 ZXBM2002 ZXBM2003 Absolute maximum ratings Parameter Symbol Limits Unit Supply Voltage V -0.6 to 20 V CCmax Input Current I 200 mA CCmax Power Dissipation 25C P 500 mW Dmax Operating Temp. T -40 to 85 C OPR Storage Temp. T -55 to 150 C STG Power Dissipation 1) Maximum allowable Power Dissipation, P , D is shown plotted against Ambient Temperature, T , in the accompanying Power Derating Curve, A indicating the Safe Operating Area for the device. 2) Power consumed by the device, P , can be T calculated from the equation: P = P + P T Q Ph where P is power dissipated under quiescent Q current conditions, given by: P = V x I Q CC CC where V is the application CC device Supply Voltage and I is the maximum Supply CC Current given in the Electrical Characteristics and P is power generated due to either one of Ph the phase outputs Ph1 or Ph2 being active, given by: P = I x V Ph OL OL where I is the application Ph1 and Ph2 OL output currents and V is the maximum Low Level OL Output Voltage for the Ph1 and Ph2 outputs given in the Electrical Characteristics ISSUE 4 - OCTOBER 2004 2 SEMICONDUCTORS