我在做简单的电磁小车，请问l298n这款驱动的输出电压与输入电压有关系吗，我该怎么让小车跑的更快 关于L298N的输出电压。跟供电电压有关系吗？
L298N\u82af\u7247\u7684\u8f93\u5165\u7535\u538b\u6709\u4e24\u4e2a\uff0cVSS\u4e0eVS\uff0c\u5982\u4f55\u533a\u5206~\uff01L298N\u82af\u7247\u7684\u8f93\u5165\u7535\u538b\u6709\u4e24\u4e2a\uff0c
VSS\uff1a5V\uff0c\u4f9b\u7ed9L298\u5185\u90e8(\u524d\u7aef)\u7684\u5de5\u4f5c\u7535\u6e90\u3002
VS\uff1a\u5c0f\u4e8e\u6216\u7b49\u4e8e46V\uff0c\u4f9b\u7ed9\u7535\u673a\uff0c\u548cL298\u5185\u90e8\u8f93\u51fa\u7aef\u7684\u5de5\u4f5c\u7535\u6e90\u3002
\u5f53\u6a21\u5757\u5728\u903b\u8f91\u63a7\u5236\u90e8\u5206\u4f7f\u75285V\u7535\u538b\uff0c\u5185\u90e8\u5177\u6709\u7a33\u538b\u5668\uff0c\u529f\u7387\u8f93\u51fa\u90e8\u5206\u53ef\u4ee5\u63a5\u53d750V\u4ee5\u4e0b\u7684\u7535\u538b\u3002\u57289\u811a\u8f93\u516512V\uff0c4\u811a\u8f93\u516550V\u4ee5\u4e0b\u7535\u538b\u5373\u53ef\u3002\u8f93\u51fa\u548c4\u811a\u8f93\u5165\u7535\u538b\u6709\u5173\u3002
\u4e00\u3001L298N\u7684\u8f93\u51fa\u7535\u538b\u3002\u8ddf\u4f9b\u7535\u7535\u538b\u7684\u5173\u7cfb\u8be6\u7ec6\u89e3\u91ca\uff1a
L298N\u7684\u8f93\u51fa\u7535\u538b\u8ddf\u4f9b\u7535\u7535\u538b\u662f\u6709\u5173\u7cfb\u7684\uff1a\u8f93\u5165\u591a\u5c11V\uff0c\u8f93\u51fa\u5c31\u5dee\u4e0d\u591a\u662f\u591a\u5c11V\uff08\u7565\u6709\u635f\u8017\uff09\u3002
L298N\u7684\u903b\u8f91\u63a7\u5236\u7535\u538b\u662f5V\u7684\uff0c\u6240\u4ee5\u8fd8\u8981\u4e3a\u5b83\u63d0\u4f9b5V\u7535\u6e90\u3002
\u5c31\u8fd9\u4e2a\u677f\u5b50\u6765\u8bb2\uff0c\u677f\u4e0a\u5df2\u7ecf\u670978M05\u7a33\u538b\u5757\u63d0\u4f9b5V\u7535\u538b\u4e86\uff0c\u6240\u4ee5\u53ef\u4ee5\u4e0d\u5fc5\u518d\u8f93\u51655V\u7535\u6e90\u4e86\u3002\u5e76\u4e14\uff0c\u8fd9\u4e2a5V\u7535\u538b\u8fd8\u53ef\u4ee5\u5411\u5916\u4f9b\u7535\uff0c\u4ee5\u65b9\u4fbf\u5916\u90e8\u7684\u63a7\u5236\u7535\u8def\u4f7f\u7528\u3002
\u603b\u7ed3\u4e00\u4e0b\uff1a \u752812V\u94c5\u84c4\u7535\u6c60\u4f9b\u7535\u7684\u8bdd\uff0cA\u901a\u9053\u548cB\u901a\u9053\u8f93\u51fa\u7684\u662f\u9a71\u52a8\u7535\u673a\u768412V\u7535\u538b\u3002
\u540c\u65f6\u9009\u62e9\u677f\u8f7d5V\u4f7f\u80fd\uff0c\u8fd9\u65f6+5V\u4f9b\u7535\u7aef\u53ef\u4ee5\u8f93\u51fa5V\u7535\u538b\uff08\u6b64\u65f6\u4e0d\u80fd\u518d\u7ed9+5V\u4f9b\u7535\u7aef\u52a0\u7535\u538b\u4e86\uff0c\u5426\u5219\u4f1a\u70e7\u638978M05\uff09\u3002
L298N\u7684\u8f93\u51fa\u7535\u538b.\u8ddf\u4f9b\u7535\u7535\u538b\u6709\u5173\u7cfb\u3002L298N\u7684\u7535\u6e90\u7535\u538b\u8303\u56f44.5V - 46V\uff0c\u5185\u90e8\u7535\u8def\u901a\u8fc7\u5bf9\u8f93\u51fa\u7ba1\u7684\u63a7\u5236\u8f93\u51fa\u7535\u538b.\u8ddf\u4f9b\u7535\u7535\u538b\u6709\u5173\u7cfb
\u6269\u5c55\u8d44\u6599\uff1a
\u4e00\u3001L298N\u7684\u8f93\u51fa\u7535\u538b\u3002\u8ddf\u4f9b\u7535\u7535\u538b\u5173\u7cfb\u5224\u65ad\u539f\u7406\uff1a
\u5f00\u5173\u7535\u6e90\u7684\u989d\u5b9a\u8f93\u51fa\u7535\u538b\u662f\u7531\u7535\u6e90\u5185\u90e8\u7a33\u538b\u4e0e\u7535\u538b\u53d6\u6837\u53cd\u9988\u7535\u8def\u51b3\u5b9a\u7684\u3002\u5f00\u5173\u7535\u6e90\u7684\u6700\u5927\u989d\u5b9a\u8f93\u51fa\u7535\u6d41\u503c\u662f\u7531\u7535\u6e90\u5185\u90e8\u529f\u7387\u578b\u5668\u4ef6\u53ca\u7535\u6d41\u91c7\u6837\u53cd\u9988\u56de\u8def\u6240\u51b3\u5b9a\u7684\u3002
\u6052\u538b\u578b\u5f00\u5173\u7535\u6e90\uff1aI\uff1dU/R\uff0cU\u6052\u5b9a\u3002
\u6240\u4ee5\u5176\u5b9e\u9645\u8f93\u51fa\u7535\u6d41\u7531\u8d1f\u8f7d\u51b3\u5b9a\uff0c\u4f46\u6700\u5927\u4e0d\u53ef\u8d85\u8fc7\u5176\u989d\u5b9a\u7535\u6d41\uff0c\u6052\u6d41\u578b\u5f00\u5173\u7535\u6e90\uff1aI\uff1dU/R\uff0cI\u6052\u5b9a\u3002
\u6240\u4ee5\u5176\u5b9e\u9645\u8f93\u51fa\u7535\u538b\u7531\u8d1f\u8f7d\u51b3\u5b9a\uff0c\u4f46\u8d1f\u8f7d\u963b\u6297\u4e0d\u53ef\u5c0f\u4e8e\u5176\u989d\u5b9a\u8d1f\u8f7d\u503c\u3002
\u4e8c\u3001L298N\u57fa\u672c\u53c2\u6570\uff1a
\u7c7b\u578b \uff1a \u5168\u6865
\u8f93\u5165\u7c7b\u578b \uff1a \u975e\u53cd\u76f8
\u8f93\u51fa\u6570 \uff1a4
\u7535\u6d41-\u8f93\u51fa/\u901a\u9053 \uff1a2A
\u7535\u6d41-\u5cf0\u503c\u8f93\u51fa \uff1a3A
\u7535\u6e90\u7535\u538b \uff1a4.5 V ~ 46 V
\u5de5\u4f5c\u6e29\u5ea6 \uff1a-25\u00b0C ~ 130\u00b0C
\u5b89\u88c5\u7c7b\u578b \uff1a \u901a\u5b54
\u5c01\u88c5/\u5916\u58f3 \uff1aMultiwatt-15\uff08\u5782\u76f4\uff0c\u5f2f\u66f2\u548c\u9519\u5217\u5f15\u7ebf\uff09
\u4f9b\u5e94\u5546\u8bbe\u5907\u5c01\u88c5 \uff1a15-Multiwatt
\u5305\u88c5 \uff1a\u7ba1\u4ef6
\u5668\u4ef6\u578b\u53f7 L298N
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-l298n
它的引脚2，3，13，14为L298N芯片输入到电动机的输出端，其中引脚2和3能控制两相电机，对于直流电动机，即可控制一个电动机。同理，引脚13和14
也可控制一个直流电动机。引脚6和11脚为电动机的使能接线脚。引脚5，7，10，12为单片机输入到L298N芯片的输入引脚。下表是其使能、输入引脚和输出引脚的逻辑关系：
提高Vss电压即可提高电机功率。
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