AN2357 Freescale Semiconductor / Motorola, AN2357 Datasheet - Page 7

• Manufacturer Part Number: AN2357
• Description: Sine Voltage Powered 3-Phase Permanent Magnet Motor with Hall Sensor
• Manufacturer: Freescale Semiconductor / Motorola

MOTOROLA
Sine Voltage Powered 3-Phase Permanent Magnet Motor with Hall Sensor
The dc voltage limitation controls the deceleration of the motor to avoid dc-bus
over voltage. In this application the voltage is kept at 16 V.
The application also contains PC master software, which supports
communication between the target microcontroller and PC via an RS232 serial
interface. This tool allows access to any memory location of the target
processor in real time. The programmer can debug an application, as well as
remotely control the application, using a user-friendly graphical environment
running on a PC.
SPEED POT.
START/STOP
Freescale Semiconductor, Inc.
12V DC
For More Information On This Product,
Go to: www.freescale.com
Ref.
Required
Speed
-
Controller
Speed PI
Fault
- +
Required
Voltage
1/T
DC-Bus Voltage
Figure 5. System Concept
Actual
Speed
Sensing
DC-Bus
Current
Sensing
-
Voltage
Limitation
Cancellation
Commutation
Period
Voltage
Ripple
ADC
Deceleration
Conversion
Limitation
Limitation
Torque to
Voltage
Torque
Relative
Voltage
3-ph Sine Wave
Recognition
Generator
Inverter
Position
PWM
Period,
3-ph
PLL
68HC908MRx
Required
Angle
System Concept
Motor
3-ph
PM
AN2357/D
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