安鑫的羊 发表于 2021-4-15 09:24

9通道LED(发光二极管)驱动控制专用电路

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">TM1809是9通道LED(发光二极管)驱动控制专用电路,内部集成有MCU 数字接口、数据锁存器、LED 高压驱动等电路。通过外围 MCU控制实现该芯片的单独辉度、级联控制实现户外大屏的彩色点阵发光控制。本产品性能优良、质量可靠。 </font></span></span></span></span></span></p>

<p style="text-align:left">&nbsp;</p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><b><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><span style="font-weight:bold"><font face="黑体">功能特点</font> </span></span></span></span></b></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 采用高压功率CMOS工艺 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 输出端口耐压24V </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; VDD内部集成5V稳压管 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 芯片VDD外接串联电阻,电压支持6~24V输入 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 辉度调节电路,256级辉度可调,低亮度时等效1024级 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 单线串行级联接口 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 振荡方式:内置RC振荡并根据数据线上信号进行时钟同步,在接收完本单元的数据后能自动将后续数据整形后通过数据输出端发送至下级,信号不随级联变远而出现失真或衰减 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 内置上电复位电路 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; PWM控制端能够实现256级调节,扫描频率不低于400Hz </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 能通过一根信号线完成数据的接收与解码 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 当刷新速率为30帧/s时,级联点数低速模式下不小于540点,高速模式下不小于1080点 </font></span></span></span></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 数据发送速度可为400Kbps或800Kbps两种模式</font></span></span></span><b>&nbsp;</b></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">&Oslash; 封装形式:SOP14、DIP14</font></span></span></span><b>&nbsp;</b></span></span></p>

<p style="text-align:left"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><font face="黑体">适用领域:点光源、护栏管、软灯条、户内、外大屏等。</font></span></span></span>&nbsp;</span></span></p>

<p style="text-align:left"></p>

<p class="p" style="margin-top:5px; margin-bottom:5px; text-indent:0.0000pt; text-align:left"><span style="font-size:12pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:黑体"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="text-transform:none"><span style="font-style:normal"><font face="黑体">原厂技术支持和服务,可以提供资料和送样测试。</font></span></span></span></span></span></span></span></span></p>

se7ens 发表于 2021-11-16 14:54

<p>有点意思</p>

<p>感觉比WS2812功能更强点</p>
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