FRDM-MC-LVBLDC - NXP SEMICONDUCTORS

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

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

FRDM-MC-LVBLDC Hardware Overview

Freedom FRDM-MC-LVBLDC Development Platform User’s Guide, User's Guide, 0, 02/2016

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.

FRDM-MC-LVBLDC Hardware Overview

Freedom FRDM-MC-LVBLDC Development Platform User’s Guide, User's Guide, 0, 02/2016

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

FRDM-MC-LVBLDC Hardware Overview

Freedom FRDM-MC-LVBLDC Development Platform User’s Guide, User's Guide, 0, 02/2016

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:

o FAN7888MX 3ch half bridge gate driver

o FDMC8030 40 V dual N-channel power MOSFETs

o FAN4852IMU8X 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

02/2016

Initial release

Document Number: FRDMLVBLDCUG

02/2016

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