https://community.nxp.com/t5/i-MX-Processors/Driving-LEDs-with-iMXRT1064/m-p/1565994#M198461 <P>Hello,</P><P>I want to connect 8 LEDs (4mA each, 32mA total) directly to GPIO pins.<BR />Is it possible?<BR />or it should be necessary to add a driver?</P><P>I couldn't find the total maximum current in the datasheet. The only information is the maximum current of a pin, +/-4mA depending on the&nbsp;ipp_dse value.</P><P>Thanks</P><P>&nbsp;</P> Wed, 07 Dec 2022 15:06:43 GMT etronic_arg 2022-12-07T15:06:43Z https://community.nxp.com/t5/i-MX-Processors/Driving-LEDs-with-iMXRT1064/m-p/1565994#M198461 <P>Hello,</P><P>I want to connect 8 LEDs (4mA each, 32mA total) directly to GPIO pins.<BR />Is it possible?<BR />or it should be necessary to add a driver?</P><P>I couldn't find the total maximum current in the datasheet. The only information is the maximum current of a pin, +/-4mA depending on the&nbsp;ipp_dse value.</P><P>Thanks</P><P>&nbsp;</P> Wed, 07 Dec 2022 15:06:43 GMT https://community.nxp.com/t5/i-MX-Processors/Driving-LEDs-with-iMXRT1064/m-p/1565994#M198461 etronic_arg 2022-12-07T15:06:43Z https://community.nxp.com/t5/i-MX-Processors/Driving-LEDs-with-iMXRT1064/m-p/1566650#M198503 <P>Hi,</P> <P>Pls refer to table 22 in the data sheet of i.mxrt1060, the current of each I/O cell in push/pull output mode is +/-1mA(sink/source current), so you have to connect a transistor or mosfet to drive led if it requires 4mA current.</P> <P>Hope it can help you</P> <P>BR</P> <P>XiangJun Rong</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_0-1670484942313.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/203582i0E88471AC0F4DB63/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_0-1670484942313.png" alt="xiangjun_rong_0-1670484942313.png" /></span></P> <P>&nbsp;</P> Thu, 08 Dec 2022 07:40:38 GMT https://community.nxp.com/t5/i-MX-Processors/Driving-LEDs-with-iMXRT1064/m-p/1566650#M198503 xiangjun_rong 2022-12-08T07:40:38Z