DM183021 Microchip Technology, DM183021 Datasheet - Page 15

• Manufacturer Part Number: DM183021
• Description: BOARD DEV PICDEM MC LV
• Manufacturer: Microchip Technology
• Series: PICDEM™r

Specifications of DM183021

• Main Purpose: Power Management, Motor Control
• Embedded: No
• Utilized Ic / Part: PIC18F, dsPIC30F
• Primary Attributes: Brushless DC (BLDC) Motors, 3-Phase, 1A, LIN, SPI, PWM Interface
• Secondary Attributes: Graphical User Interface
• Silicon Manufacturer: Microchip
• Silicon Core Number: PIC18F2431, DsPIC30F3010
• Core Architecture: PIC
• Core Sub-architecture: PIC18F, PIC30F
• Silicon Family Name: Piccolo
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.1
2.2
FIGURE 2-1:
© 2006 Microchip Technology Inc.
HIGHLIGHTS
BOARD BLOCK DIAGRAM
115/230V
50/60 Hz
Chapter 2. System Level Architecture of the Board
AC Input
J6
J1
MPLAB
RS-232
ICD 2
REF
R14
®
This items discussed in this chapter are:
• Board Block Diagram
• Control Section
• Power Inverter Section
• Power Supply
Figure 2-1 gives a system level architecture of the PICDEM MC LV Development
Board. The board has three sections: control, power inverter and power supply.
BLOCK DIAGRAM
S2
S3
24V Power Supply
IC1
IC2
IC3
I
MOTOR
FaultA
AN0
AN1
RA2
RA3
RA4
RC5
RC4
Regulator
+5V
FLTA
+5V
U7:D
Comparator
J20
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
I
MOTOR
R60
+15V
IC1
IC2
IC3
Regulator
+15V
U10:A
Amplifier
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
BEMF Signal
Conditioning
DEVELOPMENT BOARD
+24V
3-Phase
Inverter
Bridge
R26
0.1R,
2W
M1
M2
M3
PICDEM™ MC LV
IC1
IC2
IC3
J3
+
–
M3
M2
M1
+5V
HA
HB
HC
J9
G
DS51554B-page 11
M