Datasheet > AN031102-0311

AN031102-0311

更新时间： 2024-10-28 08:30:43

品牌	Logo	应用领域
ZILOG		传感器电机
页数	文件大小	规格书
26页	2345K
描述
Sensorless Brushless DC Motor Control with the Z16FMC MCU

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AN031102-0311 数据手册

Application Note

Sensorless Brushless DC Motor

Control with the Z16FMC MCU

AN031102-0311

Abstract

This application note discusses the closed loop control of a 3-phase brushless direct cur-

rent (BLDC) motor using the Z16FMC Family of Microcontrollers (MCUs). The

Z16FMC product family is designed specifically for motor control applications, featuring

an on-chip integrated array of application-specific analog and digital modules. The result

is fast and precise fault control, high system efficiency, on-the-fly speed/torque and direc-

tion control, as well as ease of firmware development for customized applications.

This document further discusses ways in which to implement a sensorless feedback con-

trol system using a Phase Locked Loop along with back EMF sensing. Test results are

based on using the Z16FMC Modular Development System (MDS) module, a 3-phase

motor control (MC) application board and a 3-phase 24VDC, 30W, 3200RPM BLDC

motor with internal Hall sensors.

Note: The source code files associated with this application note, AN0311-SC01 and AN0311-

SC02, were tested with version 4.12 of ZDSII for ZNEO MCUs. Subsequent releases of

ZDSII may require you to modify the code supplied with this application note.



The sample project included in ZDSII v4.12 and the firmware in the Rev D (or earlier) ver-

sion of the Z16F28200KITG Development Kit were preprogrammed with AN0311-SC01.

The source code files contained in AN0226-SC02 are enhanced versions of AN0311-SC01

that allow users to easily change parameters to accommodate differing motor types.

Revision History

Each instance in the following table reflects a change to this document from its previous version.

For more details, refer to the corresponding pages or appropriate links provided in the table.

Revision

Level

Page

Number

Date

Description

Mar 2011

AN0311-SC02 source code added to encompass

multiple motor types; correction to TimerPrescale

data in PLL flow, Figure 17.

1, 22

Dec 2010

Original issue.

All

AN031102-0311

Page 1 of 26

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