【DFRobot电机驱动】+ 试用评测
<div class='showpostmsg'><p><br /><span style="font-size:10.5pt"><span style="line-height:54.75pt"><span style="font-family:等线"><b><span lang="EN-US" style="font-size:15.0pt"><span style="font-family:"微软雅黑",sans-serif"><span style="color:#343434">DFRobot Arduino</span></span></span></b><b><span style="font-size:15.0pt"><span style="font-family:"微软雅黑",sans-serif"><span style="color:#343434">四路电机驱动板 试用测评</span></span></span></b></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">板子来源:EEWorld活动所得,由DFRobot提供,并贴上产品链接:</span></span></span></span></span></span><a href="http://www.dfrobot.com.cn/goods-1317.html?tdsourcetag=s_pcqq_aiomsg" style="color:blue; text-decoration:underline"><b><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0cm"><span style="background:white"><span style="line-height:150%"><span style="font-family:宋体"><span style="color:#399bff"><span style="letter-spacing:.75pt">http://www.dfrobot.com.cn/goods-1317.html?tdsourcetag=s_pcqq_aiomsg</span></span></span></span></span></span></b></a> </span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> <span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:#343434">DFRobot Arduino</span></span></span><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:#343434">四路电机驱动板是DFRobot系列中基于Arduino的系列扩展板之一。选用基于TB6612FNG电机驱动芯片,代替传统中被广大diyer熟知的L298N(据说国内产的也相当成熟了)。</span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> <span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:#343434">扩展板兼容</span></span></span><span lang="EN-US" style="font-size:13.5pt"><span style="font-family:"微软雅黑",sans-serif"><span style="color:black">5V/3.3V Arduino</span></span></span><span style="font-size:13.5pt"><span style="font-family:"微软雅黑",sans-serif"><span style="color:black">主控器,仅需要8个管脚,既可以同时控制四个直流电机,支持PWM调速和正反转控制。由于采用TB6612FNG使得整体效率上提高很多,体积上也大幅度减少,在额定范围内,芯片基本不发热,单路最高可输出1.2A持续电流,并且内置低压检测电路与热停机保护电路,安全可靠。</span></span></span></span></span></p>
<p style="text-align:justify"></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><b><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">产品性能参数:</span></span></span></b></span></span></p>
<ol start="12" style="list-style-type:lower-alpha">
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">PWR</span></span></span><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">电机供电:2.5V-13.5V</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">VCC</span></span></span><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">逻辑供电:2.7~5.5V</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">输出电流:1.2A 单通道连续驱动电流</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">启动/峰值电流:2A(连续脉冲)/ 3.2A(单脉冲)</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">Arduino</span></span></span><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">控制端口:数字口3,4,5,6,7,8,11,12</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">工作温度:-20~85℃</span></span></span></span></span></span></li>
<li style="text-align:justify" value="50"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:宋体">尺寸: 52mm * 53mm</span></span></span></span></span></span></li>
</ol>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><i><span style="font-size:14.0pt"><span style="font-family:宋体">注意:电机驱动电压不超过13.5V。</span></span></i></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><b><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">端子排列:</span></span></span></b></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> <span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">线路板除了具有兼容arduino的接口外,还有一个电机驱动电源</span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">电压输入端子“PWR”,和4路直流电机驱动输出接口,M1、M2、M3、M4 。</span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> <span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">这里值得提一下的是,由于系统中的PWR仅为两片电机驱动芯片TB6612FNG提供电源,并没有提供5V和3.3V电源,所以Arduino主板必须自己提供5V或3.3V的输入,这是一个遗憾啊。</span></span></span></span></span></p>
<p style="text-indent:21.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">系统占用3、4、5、6、7、8、11、12共8个arduino引脚,其中4、12、8、7的4个引脚用来分别控制M1-M4驱动方向;3、11、5、6的4个引脚分别用来控制M1-M4的输出开度,调速范围0-255.</span></span></span></span></span></p>
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p align="center" style="text-align:center"> </p>
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p align="center" style="text-align:center"> </p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><b><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">使用实例简图:</span></span></span></b></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> <span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">根据前面提到的引脚关系,可以看出该驱动板的基本连接关系,左侧连接4台直流电机,右侧连接DC13.5V以内的锂离子电池。</span></span></span></span></span></p>
<p style="text-align:justify"> </p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><b><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">TB6612FNG</span></span></span></b><b><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">和L298N对比</span></span></span></b></span></span></p>
<ol>
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">封装形式对比:</span></span></span></span></span></li>
</ol>
<p style="text-align:justify"><span style="font-family: 等线; font-size: 10.5pt;"> </span><br />
<span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> TB6612FNG L298N</span></span></p>
<ol start="2">
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">性能参数对比:</span></span></span></span></span></li>
</ol>
<table class="MsoTableGrid" style="border-collapse:collapse; border:solid windowtext 1.0pt">
<tbody>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">项目</span></span></span></span></span></p>
</td>
<td style="border:solid windowtext 1.0pt; width:163.0pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">TB6612FNG</span></span></span></span></span></p>
</td>
<td style="border:solid windowtext 1.0pt; width:159.9pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">L298N</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">驱动电压</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">5V</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(2.5~13.5)</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">VIH+2.5 </span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">~46V</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">逻辑电压</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">3.3V</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(2.7~5.5)</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">5V</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(4.5~7)</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">输入信号</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-0.2~6</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-0.3~7</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">驱动H桥</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">2</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">个</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">2</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">个</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td rowspan="2" style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">驱动电流</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">1.2A</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(单通道)</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">2A</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(单通道)</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">2A</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(</span></span></span>tw = 20 ms Continuous pulse, Duty ≤ 20%<span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">)</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">2.5A</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">(Repetitive (80% on –20% off; ton= 10ms))</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">工艺</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">LD MOS</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">三极管</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">工作温度</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-20~85</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">℃</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-25~130</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">℃</span></span></span></span></span></p>
</td>
</tr>
<tr>
<td style="border:solid windowtext 1.0pt; width:91.9pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" width="123">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">存储温度</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:163.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="217">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-55~150</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">℃</span></span></span></span></span></p>
</td>
<td style="border-bottom:solid windowtext 1.0pt; width:159.9pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" width="213">
<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">-40~150</span></span></span><span style="font-size:12.0pt"><span style="font-family:宋体"><span style="color:black">℃</span></span></span></span></span></p>
</td>
</tr>
</tbody>
</table>
<p style="text-align:justify"> </p>
<ol start="3">
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">操作方式:</span></span></span></span></span></li>
</ol>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">TB6612FNG</span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体">L298N</span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"> </span></span></p>
<p style="text-align:justify"> </p>
<ol start="4">
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体"><span style="color:black">综合对比</span></span></span></span></span></li>
</ol>
<p align="left" style="text-align:left; text-indent:21.0pt"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体">相比于L298N来说,TB6612FNG采用LD MOS工艺,导通电阻小,自身功耗低,因此其效率明显高于L298N,所以其封装的体积也大幅度较小,再额定范围内,芯片基本不发热。</span></span></span></span></p>
<p align="left" style="text-align:left; text-indent:21.0pt"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体">但TB6612FNG的驱动电压不高15VDC,明显低于L298N的46VDC,因此会限制它的应用范围。比如DC24V的应用场景。</span></span></span></span></p>
<p>5、<b><span style="font-size:14.0pt"><span style="font-family:宋体">基于打印机结构的雕刻机设想</span></span></b></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体">打印机包括一个走纸机构、一个打印头定位机构,可以对应简易雕刻机的Y轴行走定位和主轴电机X轴行走定位。</span></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"> </span></span></span></span></p>
<p align="left" style="text-align:left; text-indent:21.0pt"> </p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"> </span></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体">驱动板连接两路直流电机驱动。</span></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"> </span></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="font-size:14.0pt"><span style="font-family:宋体">走纸机构,将来会发展为平台的Y轴移动和定位。</span></span></span></span></p>
<p align="left" style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:等线"><span lang="EN-US" style="font-size:14.0pt"><span style="font-family:宋体"> </span></span></span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:宋体">这个是光电编码器和码盘,可以利用这个来完成定位功能。</span></span></p>
<p> </p>
<p>环境搭建基本完成,接下来测试将要测试多电机驱动控制和基本应用控制。<br />
<br />
<b><font color="#5E7384">此内容由EEWORLD论坛网友<font size="3">我爱下载</font>原创,如需转载或用于商业用途需征得作者同意并注明出处</font></b></p>
</div><script> var loginstr = '<div class="locked">查看本帖全部内容,请<a href="javascript:;" style="color:#e60000" class="loginf">登录</a>或者<a href="https://bbs.eeworld.com.cn/member.php?mod=register_eeworld.php&action=wechat" style="color:#e60000" target="_blank">注册</a></div>';
if(parseInt(discuz_uid)==0){
(function($){
var postHeight = getTextHeight(400);
$(".showpostmsg").html($(".showpostmsg").html());
$(".showpostmsg").after(loginstr);
$(".showpostmsg").css({height:postHeight,overflow:"hidden"});
})(jQuery);
} </script><script type="text/javascript">(function(d,c){var a=d.createElement("script"),m=d.getElementsByTagName("script"),eewurl="//counter.eeworld.com.cn/pv/count/";a.src=eewurl+c;m.parentNode.insertBefore(a,m)})(document,523)</script> <p>mark</p>
页:
[1]