ZXBM2001 ZXBM2002 ZXBM2003
VARIABLE SPEED 2-PHASE FAN MOTOR CONTROLLER
DESCRIPTION
The ZXBM200x is a series of 2-phase,...
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 can be implemented via external voltage or resistance (thermistor) input · 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 ZXBM200xX10TA ZXBM200xX10TC REEL SIZE 7” (180mm) 13” (330mm) TAPE WIDTH 12mm 12mm QUANTITY PER REEL 1,000 4,000
Example: ZXBM2001X10TA
DEVICE MARKING
ZXBM2001 - BM21 ZXBM2002 - BM22 ZXBM2003 - BM23
ISSUE 1 - APRIL 2002 1
ZXBM2001 ZXBM2002 ZXBM2003
Absolute maximum ratings
Parameter Supply Voltage Input Current Power Dissipation Operating Temp. Storage Temp. Symbol V CCmax I CC PD T OPR T STG Limits -0.6 to 20 200 500 -40 to 85 -55 to 125 Unit V mA mW ЊC ЊC
Electrical Characteristics (at Tamb = 25°C & Vcc = 12V)
Parameter Supply Voltage Supply Current Hall Amp Input Voltage Hall Amp Common Mode Voltage Hall Amp Input Offset Hall Amp Bias Curr...