Block Diagram 1

1
Block Diagram 1
Willas-Array Solution for Motor Control
BLDCMotor
AC Input
Hall Sensor (Inside Motor)
Power Management
IPM Module
Others
Feedback Signal (Speed / Positon)
2
Power Management
Willas-Array Solution for BLDC Motor Control
Power Management
Functional Description Provide a stable power
source for control board. WAE Advantage Low
Stand-By Current, Adjustable Current Limitation,
Over-Temperature Protection, and under voltage
lock out.
3
MCU
Willas-Array Solution for BLDC Motor Control
MCU
Functional Description MCU control the input and
output interface, and generate the PWM signal to
control the driver and IGBT / MOSFET for the
motor. WAE Advantage - ST MCU provide high
noise-immunity, the back EMF detection is patent
by ST. In circuit / application programming, can
be easier to upgrade the software - Microchip
dsDIP contain DSP instruction.
4
Gate Driver
Willas-Array Solution for BLDC Motor Control
Gate Driver
Functional Description 3 pcs of driver is needed
to drive 6 x IGBT / MOSFET WAE Advantage WAE
also provide IGBT / MOSFET together, also the
fast switching diode.
5
IGBT / MOSFET
Willas-Array Solution for BLDC Motor Control
IGBT / MOSFET ()
Functional Description As switching device to
drive the motor WAE Advantage High frequency
response, with build in diode. Wide range of
current and voltage selection to fit the any
condition. () PS The selection of IGBT /
MOSFET depends on the motor specification.
6
Hall Sensor
Willas-Array Solution for BLDC Motor Control
Hall Sensor
Functional Description Monitor the rotors
position. Mostly build-in the Hall element in the
motor. WAE Advantage We provide both Hall
element and Hall effect sensor IC.
7
Others
Willas-Array Solution for BLDC Motor Control
Others
Functional Description PFC - Improve the
efficient of the whole power system. WAE
Advantage PFC - L4981 can offer very high Power
Factor, up to 0.99.
8
Stand Alone Motor Driver
Willas-Array Solution for BLDC Motor Control
Motor Driver (Stand Alone)
Functional Description L6229 / 6235 These are
the Motor Driver which can drive the 3-Phase BLDC
motor with Integrated driver MOSFET, up to
2.8A. WAE Advantage L6229 / 6235 Included all
the circuitry needed to drive a 3-Phase BLDC
Motor.