Freescale Semiconductor FRDM-MC-LVBLDC User manual

© 2016 Freescale Semiconductor, Inc. All rights reserved.
Freedom FRDM-MC-LVBLDC Development
Platform User’s Guide
1.Introduction
The Freedom development platform is a set of software
and hardware tools for evaluation and development. It is
ideal for rapid prototyping of microcontroller-based
applications.
The FRDM-MC-LVBLDC low-voltage evaluation
board, in a shield form factor, effectively turns a
Freedom development platform into a complete motor
control reference design, compatible with existing
Freedom development platforms, FRDM-KV31F and
FRDM-KV10Z, and the low-cost motor FRDM-MC-
LVMTR.
The FRDM-MC-LVBLDC shield board implements a 3-
phase Brushless DC (BLDC) interface platform that
adds BLDC motor control capabilities, such as
rotational or linear motion, to your design applications.
Freescale Semiconductor, Inc.
Document Number: FRDMLVBLDCUG
User's Guide
0
,
02/2016
Contents
1. Introduction........................................................................1
2. FRDM-MC-LVBLDC Hardware Overview ...................... 2
3. FRDM-MC-LVBLDC Hardware Description ................... 4
3.1. Low Voltage 3-Phase BLDC Driver Board (12V).. 4
4. References.......................................................................... 4
5. Revision History ................................................................ 4
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FRDM-MC-LVBLDC Hardware Overview
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2 Freescale Semiconductor, Inc.
2.FRDM-MC-LVBLDC Hardware Overview
The features of the FRDM-MC-LVBLDC hardware are as follows:
Power Supply Input voltage DC: 10-15 V DC via 5.5x2.1mm barrel connector.
Output current up to 5 amps RMS.
Power supply reverse polarity protection circuitry.
3-phase bridge inverter (6-MOSFET’s).
3-phase MOSFET gate driver with over current and under voltage protection.
Analog sensing (DC bus voltage, DC bus current, 3-phase back-EMF voltage).
5.5 V DC auxiliary power supply providing FRDM MCU board supplying.
Motor speed/position sensors interface (Encoder, Hall).
Freedom motor control headers compatible with Arduino™R3 pin layout.
The FRDM-MC-LVBLDC board does not require any hardware configuration or jumpers setting. It
contains no jumpers.
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FRDM-MC-LVBLDC Hardware Overview
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Freescale Semiconductor, Inc. 3
The following figure shows the block diagram of the FRDM-MC-LVBLDC design.
Figure 1. FRDM-MC-LVBLDC platform block diagram
The primary components and their placement on the hardware assembly are explained in the below
figure.
Figure 2. FRDM-MC-LVBLDC main components placement
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FRDM-MC-LVBLDC Hardware Overview
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4 Freescale Semiconductor, Inc.
3.FRDM-MC-LVBLDC Hardware Description
3.1. Low Voltage 3-Phase BLDC Driver Board (12 V)
Suitable for trapezoidal control algorithm.
Fairchild half-bridge gate drivers & power MOSFETs:
oFAN7888MX 3ch half bridge gate driver
oFDMC8030 40 V dual N-channel power MOSFETs
oFAN4852IMU8X low power amplifier
4.References
The following references are available on www.nxp.com:
FRDM-KV10Z Quick Reference Guide
FRDM-KV31F Quick Reference Guide
FRDM-MC-LVBLDC Pinouts
FRDM-MC-LVBLDC Schematic
FRDM-MC-LVBLDC Design Package
5.Revision History
Table 1. Revision history
Revision number
Date
Substantive changes
0
02/2016
Initial release
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Document Number: FRDMLVBLDCUG
0
02/2016
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