125 lines
2.0 KiB
JSON
125 lines
2.0 KiB
JSON
{
|
|
"title": "NTC excitation and acquisition",
|
|
"source": "IO_MODULES/ANALOG_INPUTS.md: NTC temperature channels",
|
|
"reference_scope": "documentation only",
|
|
"components": [
|
|
{
|
|
"ref": "V",
|
|
"kind": "port",
|
|
"pins": [
|
|
"P"
|
|
],
|
|
"value": "+5V_SENS"
|
|
},
|
|
{
|
|
"ref": "R_PULLUP",
|
|
"kind": "resistor",
|
|
"pins": [
|
|
"1",
|
|
"2"
|
|
],
|
|
"value": "R_PULLUP\nSelected for sensor curve"
|
|
},
|
|
{
|
|
"ref": "NTC",
|
|
"kind": "thermistor",
|
|
"pins": [
|
|
"1",
|
|
"2"
|
|
],
|
|
"value": "NTC"
|
|
},
|
|
{
|
|
"ref": "GN",
|
|
"kind": "ground-port",
|
|
"pins": [
|
|
"P"
|
|
],
|
|
"value": "SENSOR_GND"
|
|
},
|
|
{
|
|
"ref": "AFE",
|
|
"kind": "functional-block",
|
|
"pins": [
|
|
"IN",
|
|
"OUT"
|
|
],
|
|
"value": "Attenuation / local filter"
|
|
},
|
|
{
|
|
"ref": "ADC",
|
|
"kind": "port",
|
|
"pins": [
|
|
"P"
|
|
],
|
|
"value": "ADC_NTC"
|
|
},
|
|
{
|
|
"ref": "VS",
|
|
"kind": "port",
|
|
"pins": [
|
|
"P"
|
|
],
|
|
"value": "+5V_SENS"
|
|
},
|
|
{
|
|
"ref": "SENSE",
|
|
"kind": "functional-block",
|
|
"pins": [
|
|
"IN",
|
|
"OUT"
|
|
],
|
|
"value": "Matched divider / filter"
|
|
},
|
|
{
|
|
"ref": "ADCS",
|
|
"kind": "port",
|
|
"pins": [
|
|
"P"
|
|
],
|
|
"value": "ADC_5V_SENSE"
|
|
}
|
|
],
|
|
"nets": [
|
|
{
|
|
"name": "+5V_SENS",
|
|
"connections": [
|
|
"V.P",
|
|
"R_PULLUP.1",
|
|
"VS.P",
|
|
"SENSE.IN"
|
|
]
|
|
},
|
|
{
|
|
"name": "NTC_NODE",
|
|
"connections": [
|
|
"R_PULLUP.2",
|
|
"NTC.1",
|
|
"AFE.IN"
|
|
]
|
|
},
|
|
{
|
|
"name": "SENSOR_GND",
|
|
"connections": [
|
|
"NTC.2",
|
|
"GN.P"
|
|
]
|
|
},
|
|
{
|
|
"name": "ADC_NTC",
|
|
"connections": [
|
|
"AFE.OUT",
|
|
"ADC.P"
|
|
]
|
|
},
|
|
{
|
|
"name": "ADC_5V_SENSE",
|
|
"connections": [
|
|
"SENSE.OUT",
|
|
"ADCS.P"
|
|
]
|
|
}
|
|
],
|
|
"no_connects": []
|
|
}
|