https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290192#M45385 <P>Tried to find info in the datasheet (without success) what the per-gpio sink current vs total sink current that the LPC55xx BGA packages can handle safely.&nbsp;</P><P>Please advice</P> Wed, 09 Jun 2021 19:27:47 GMT dav1 2021-06-09T19:27:47Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290192#M45385 <P>Tried to find info in the datasheet (without success) what the per-gpio sink current vs total sink current that the LPC55xx BGA packages can handle safely.&nbsp;</P><P>Please advice</P> Wed, 09 Jun 2021 19:27:47 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290192#M45385 dav1 2021-06-09T19:27:47Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290205#M45387 <P>found this, so I guess it's max 4 mA per GPIO?<BR />how about the total per bank or per IC?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="dav1_0-1623268893621.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/146750i3354E9B5795977C3/image-size/medium?v=v2&amp;px=400" role="button" title="dav1_0-1623268893621.png" alt="dav1_0-1623268893621.png" /></span></P><P>&nbsp;</P> Wed, 09 Jun 2021 20:03:31 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290205#M45387 dav1 2021-06-09T20:03:31Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290374#M45393 <P>Hi, david,</P> <P>You are right, the source/sink current is 4mA for each output I/O pin. Regarding total current for a GPIO group, unfortunately, we have not the spec.</P> <P>BR</P> <P>XiangJun Rong</P> Thu, 10 Jun 2021 03:19:26 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55x-GPIO-sink-currents/m-p/1290374#M45393 xiangjun_rong 2021-06-10T03:19:26Z