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Diodes ZXBM1004 User Manual

Zxbm1004, Variable speed single-phase bldc motor controller

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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