Diodes ZXBM1004 - Manual

1 S E M I C O N D U C T O R S
DESCRIPTION
The ZXBM1004 is a single-phase, DC brushless motor pre-driver with PWM
variable speed control suitable for fan and blower motors. The controller is
intended for applications where the fan or blower speed is controlled by an
external PWM signal, thermistor or DC voltage.
FEATURES
•
Compliant with external PWM speed control
•
Compliant with thermistor control
•
Minimum speed setting
•
Low noise
•
Auto restart
•
Built in hall amplifier
•
Speed pulse (FG) and lock rotor (RD) outputs
•
Up to 18V input voltage (60V with external regulator)
•
QSOP16 package
Associated application notes:-
AN41 - Thermistor control
AN42 - External PWM control
AN43 - Interfacing to the motor windings
APPLICATIONS
•
Mainframe and personal computer fans and blowers
•
Instrumentation fans
•
Central heating blowers
•
Automotive climate control
DEVICE MARKING
•
ZETEX
ZXBM
1004
ZXBM1004
ISSUE 6 - MAY 2007
VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER
DEVICE REEL SIZE TAPE WIDTH QUANTITY PER REEL
ZXBM1004Q16TA
ZXBM1004Q16TC 7" (180mm)
13" (330mm)
12mm
12mm
500
2,500
ORDERING INFORMATION - QSOP16
QSOP16