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dsPICDEM TM MCLV
DEVELOPMENT BOARD
USER ’S GUIDE
Chapter 2. Hardware Overview
This chapter describes the hardware components of the dsPICDEM MCLV
Development Board. Topics covered include:
A +24V power supply connected to the Power Connector terminal (J2) or Auxiliary
Power Tab Fast-On Connector terminals (BP1-BP2) supplies power to the control
circuits and DC bus of the board. It is recommended that you use a 24V power supply
listed as an accessory (Part Number AC002013) on the Microchip web site
(www.microchip.com).
The various components on the board receive the power as follows:
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The Gate drivers receive +15V power from a 15V regulator.
The CAN driver receives +5V power from a 5V regulator.
The LIN driver receives V BAT power from the LIN connector J1.
A dsPIC33F motor control device receives +3.3V power from a +3.3V regulator.
The RS-232 UART interface receives +3.3V power from a +3.3V regulator.
The PIC18LF2450 USB to UART Bridge receives +3.3V power from a +3.3V
regulator.
Note 1:
2:
If the input voltage value is less than 16V, remove the 15V voltage
regulator and short jumper J3.
To use a higher DC voltage bus (24V-48V), complete the following steps:
a) Connect the power supply to jumper J7, and keep jumper J6 open.
b) Power the circuit components, MCU, and the gate drivers using a
separate 16V-24V power supply connected to the power connector
J2 or BP1-BP2.
2.1
PIM CONFIGURATION
This section summarizes the resistor configuration required to connect the PIM pins to
dsPIC DSC pins. The following PIMs can be configured on the dsPICDEM MCLV
Development Board:
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dsPIC33FJ256MC710 PIM (MA330013)
dsPIC33FJ12MC202 PIM (MA330014)
dsPIC33FJ32MC204 PIM (MA330017)
dsPIC33FJ128MC804 PIM (MA330018)
Note:
When using PIMs, make sure that the 28-pin SOIC dsPIC DSC is removed
from the dsPICDEM MCLV Development Board.
The tables that follow describe the PIM configuration details.
? 2008 Microchip Technology Inc.
DS70331A-page 11
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