5.1 Pin-by-Pin Descriptions
DRM046 — Rev 0
MOTOROLA
Freescale Semiconductor, Inc.
– Transient Voltage Suppressor 60 Volts
– Line choke limited to 8 Amps
•
3-phase MOSFETs gate pre-driver IR2132
•
3-phase bridge inverter (6-MOSFETs 100V/57A)
•
DC-Bus current sensing shunt for DC-Bus over-current detection
•
DC-Bus over-current fault generation circuitry set to 10 Amps
threshold on DC-Bus
•
low-voltage on-board power supplies 5V/200mA and 12V/400mA
with power-on LED indication
•
manual control interface (speed pot, run/stop switch)
•
Terminals for optional external user interface
Figure 5-2. Block Diagram
48V Input
Power
J2
Input
J4
Interface
Power
Supply
User
Interface
Figure 5-2. Block Diagram
Inputs and outputs are located on five connectors. Pin descriptions for
each of these connectors are included in this section.
Hardware Design
For More Information On This Product,
Go to: www.freescale.com
shows a system architecture of the drive.
3-Ph. MosFET
Inverter
3-Ph. Gate Drivers
with Over-Current
Detection
MCU
J3
"Nitron"
Hardware Design
Pin-by-Pin Descriptions
3-phase
Motor
Output
J5
3-phase
Hall Sensor
Inputs
J1
Filter
Designer Reference Manual
33