hrithik18k/quad-sensor-conditioner

index.circuit.tsx

PCB

Schematic

import React from "react"

// MCP6004-I/P, Microchip DS20001733L. Four unity-gain sensor buffers.
export default function QuadSensorConditioner() {
  const nets: Record<string, string[]> = {
    V5: ["J1.pin1", "U1.VDD", "C1.pin1", "C2.pin1", "R1.pin1"],
    GND: ["J1.pin2", "U1.VSS", "C1.pin2", "C2.pin2", "LED1.cathode"],
    POWER_LED: ["R1.pin2", "LED1.anode"],
  }
  const channels = [
    {n:1, side:-1, y:12, plus:"A_PLUS",minus:"A_MINUS",out:"A_OUT"},
    {n:2, side:-1, y:-12, plus:"B_PLUS",minus:"B_MINUS",out:"B_OUT"},
    {n:3, side:1, y:-12, plus:"C_PLUS",minus:"C_MINUS",out:"C_OUT"},
    {n:4, side:1, y:12, plus:"D_PLUS",minus:"D_MINUS",out:"D_OUT"},
  ]
  for(const {n,plus,minus,out} of channels) {
    nets.V5.push(`JI${n}.pin1`)
    nets.GND.push(`JI${n}.pin3`,`JO${n}.pin2`,`C1${n}.pin2`,`C3${n}.pin2`,`JP${n}.pin2`)
    nets[`IN${n}`]=[`JI${n}.pin2`,`R1${n}.pin1`]
    nets[`FILTER${n}`]=[`R1${n}.pin2`,`C1${n}.pin1`,`C2${n}.pin1`,`U1.${plus}`]
    nets[`SLOW${n}`]=[`C2${n}.pin2`,`JP${n}.pin1`]
    nets[`BUFFER${n}`]=[`U1.${out}`,`U1.${minus}`,`R2${n}.pin1`]
    nets[`OUT${n}`]=[`R2${n}.pin2`,`C3${n}.pin1`,`JO${n}.pin1`]
  }
  return <board width="80mm" height="64mm" layers={2} borderRadius="3mm" title="QUAD SENSE / MCP6004" autorouter="auto_local" autorouterVersion="beta_pipeline7">
    <schematicsection name="Power" displayName="5 V power" />
    <schematicsection name="Buffer" displayName="MCP6004 unity-gain buffers" />
    <chip name="U1" manufacturerPartNumber="MCP6004-I/P" footprint="dip14_w7.62mm" pcbX={0} pcbY={0} schX={0} schY={0} schSectionName="Buffer"
      pinAttributes={{VDD:{requiresPower:true},VSS:{requiresGround:true}}} pinLabels={{pin1:"A_OUT",pin2:"A_MINUS",pin3:"A_PLUS",pin4:"VDD",pin5:"B_PLUS",pin6:"B_MINUS",pin7:"B_OUT",pin8:"C_OUT",pin9:"C_MINUS",pin10:"C_PLUS",pin11:"VSS",pin12:"D_PLUS",pin13:"D_MINUS",pin14:"D_OUT"}}
      schPinArrangement={{leftSide:{pins:["A_PLUS","A_MINUS","B_PLUS","B_MINUS"],direction:"top-to-bottom"},rightSide:{pins:["A_OUT","B_OUT","C_OUT","D_OUT"],direction:"top-to-bottom"},topSide:{pins:["VDD","D_PLUS","D_MINUS"],direction:"left-to-right"},bottomSide:{pins:["VSS","C_PLUS","C_MINUS"],direction:"left-to-right"}}} />
    <pinheader name="J1" pinCount={2} footprint="pinrow2" pcbX={-10} pcbY={-26} schX={-8} schY={-18} schSectionName="Power" pinLabels={["5V","GND"]} />
    <capacitor name="C1" capacitance="100nF" footprint="0805" pcbX={-7} pcbY={0} pcbRotation={180} schX={-4} schY={-18} schRotation={-90} schSectionName="Power" />
    <capacitor name="C2" capacitance="10uF" footprint="1206" pcbX={-9} pcbY={-4} schX={-2.5} schY={-18} schRotation={-90} schSectionName="Power" />
    <resistor name="R1" resistance="3.3k" footprint="0805" pcbX={4} pcbY={-25} schX={1} schY={-18} schRotation={-90} schSectionName="Power" />
    <led name="LED1" color="green" footprint="0805" pcbX={10} pcbY={-25} schX={1} schY={-21} schRotation={-90} schSectionName="Power" />
    {channels.map(({n,side,y})=>{
      const sx=side*20, sy=y>0?10:-7
      return <React.Fragment key={n}>
        <schematicsection name={`CH${n}`} displayName={`Channel ${n} / 159 Hz or 14.5 Hz`} />
        <pinheader name={`JI${n}`} pinCount={3} footprint="pinrow3" pcbX={side*33} pcbY={y+5} pcbRotation={90} schX={sx-2.7} schY={sy+1.5} schSectionName={`CH${n}`} pinLabels={["5V","IN","GND"]} />
        <resistor name={`R1${n}`} resistance="10k" footprint="0805" pcbX={side*25} pcbY={y+5} pcbRotation={side>0?180:0} schX={sx-0.45} schY={sy+1.5} schSectionName={`CH${n}`} />
        <capacitor name={`C1${n}`} capacitance="100nF" footprint="0805" pcbX={side*17} pcbY={y+5} schX={sx+1.8} schY={sy+1.5} schRotation={90} schSectionName={`CH${n}`} />
        <capacitor name={`C2${n}`} capacitance="1uF" footprint="0805" pcbX={side*17} pcbY={y} schX={sx-0.45} schY={sy-1.5} schRotation={90} schSectionName={`CH${n}`} />
        <pinheader name={`JP${n}`} pinCount={2} footprint="pinrow2" pcbX={side*25} pcbY={y} schX={sx+1.8} schY={sy-1.5} schSectionName={`CH${n}`} pinLabels={["SLOW","GND"]} />
        <resistor name={`R2${n}`} resistance="100" footprint="0805" pcbX={side*12} pcbY={y-5} pcbRotation={side<0?180:0} schX={sx-2.7} schY={sy-4.5} schSectionName={`CH${n}`} />
        <capacitor name={`C3${n}`} capacitance="10nF" footprint="0805" pcbX={side*20} pcbY={y-5} pcbRotation={side<0?180:0} schX={sx-0.45} schY={sy-4.5} schRotation={90} schSectionName={`CH${n}`} />
        <pinheader name={`JO${n}`} pinCount={2} footprint="pinrow2" pcbX={side*33} pcbY={y-5} pcbRotation={90} schX={sx+1.8} schY={sy-4.5} schSectionName={`CH${n}`} pinLabels={["OUT","GND"]} />
        <silkscreentext text={`CH${n} / IN`} pcbX={side*29} pcbY={y+10} fontSize={1} />
        <silkscreentext text="SLOW" pcbX={side*25} pcbY={y-2.5} fontSize={0.7} />
        <silkscreentext text="OUT" pcbX={side*33} pcbY={y-9} fontSize={0.8} />
      </React.Fragment>
    })}
    {Object.entries(nets).flatMap(([name,pins])=>pins.map(pin=><trace key={`${name}-${pin}`} name={`${name}_${pin.replace(".","_")}`} from={pin} to={`net.${name}`} />))}
    {[-1,1].flatMap(x=>[-1,1].map(y=><hole key={`${x}-${y}`} name={`H${x>0?1:2}${y>0?1:2}`} diameter="3.2mm" pcbX={x*35} pcbY={y*27} />))}
    <silkscreentext text="QUAD SENSE" pcbX={0} pcbY={27} fontSize={2} />
    <silkscreentext text="4-CHANNEL ANALOG CONDITIONER" pcbX={0} pcbY={23} fontSize={0.9} />
    <silkscreentext text="REGULATED 5V / REV A" pcbX={0} pcbY={-30} fontSize={0.9} />
  </board>
}