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부품번호 | ZXBM1004 기능 |
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기능 | VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER | ||
제조업체 | Zetex Semiconductors | ||
로고 | |||
전체 12 페이지수
ZXBM1004
VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER
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
QSOP16
APPLICATIONS
• Mainframe and personal computer fans and blowers
• Instrumentation fans
• Central heating blowers
• Automotive climate control
ORDERING INFORMATION - QSOP16
DEVICE
REEL SIZE
ZXBM1004Q16TA
ZXBM1004Q16TC
7" (180mm)
13" (330mm)
DEVICE MARKING
• ZETEX
ZXBM
1004
TAPE WIDTH
12mm
12mm
QUANTITY PER REEL
500
2,500
ISSUE 4 - SEPTEMBER 2004
1
SEMICONDUCTORS
ZXBM1004
Block diagram
Pin assignments
Vcc
H+
H-
ThRef
SPD
SMIN
CPWM
CLCK
1
ZXBM1004
QSOP16
V+OP
Ph1Lo
Ph2Lo
Ph2Hi
Ph1Hi
FG
RD
Gnd
SEMICONDUCTORS
ISSUE 4 - SEPTEMBER 2004
4
4페이지 VCC - Applied Voltage
This is the device internal circuitry supply voltage. For
5V to 12V fans this can be supplied directly from the
Fan Motor supply. For fans likely to run in excess of the
18V maximum rating for the device this will be
supplied from an external regulator such as a Zener
diode.
RD Timing Waveform:
ZXBM1004
Applications Information
The ZXBM1004 is primarily controlled by a voltage on
the SPD pin. A voltage of 1V represents a 100% PWM at
the Phase Outputs and in turn represents full speed. 3V
on the SPD pin conversely represents 0% PWM. The
motor can therefore be controlled simply by applying a
control voltage onto the SPD pin with the minimal use
of external components.
This voltage control method easily lends itself to
control by other signal types. For example if a
thermistor is applied to the SPD pin a varying voltage
can be generated at the SPD pin as the resistance of the
thermistor varies with temperature.
A common form of control of fans is by a PWM signal
derived from a central processor or controller. This
signal can be converted into a voltage and that voltage
adjusted as neccesary to compensate for motor none
linearity, inclusion of the Minimum speed feature etc.
Full applications details and further examples of how
to control the ZXBM1004 are available in the
Applications Notes AN41, AN42 and AN43.
ISSUE 4 - SEPTEMBER 2004
7
SEMICONDUCTORS
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부품번호 | 상세설명 및 기능 | 제조사 |
ZXBM1004 | VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER | Zetex Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |