component
STPM34TR
Public Made by Adomby adom
STMicroelectronics Energy Metering, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stpm34tr",
"title": "STPM34TR",
"brief": "STMicroelectronics Energy Metering, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"data acquisition",
"stpm34tr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STPM34TR",
"manufacturer": "STMicroelectronics",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Data Acquisition",
"subcategory": "Energy Metering",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586184102668349440",
"parts": {
"symbol": "stpm34tr.kicad_sym",
"footprint": "stpm34tr.kicad_mod",
"model_3d": "stpm34tr-hero.glb",
"model_3d_plain": "stpm34tr.glb",
"model_3d_step": "stpm34tr-etched.step",
"model_3d_step_plain": "stpm34tr.step",
"lbr": "stpm34tr.lbr"
},
"distributor_links": {
"lcsc": 129475,
"digikey": "497-14670-2-ND",
"mouser": "511-STPM34TR"
},
"distributor_check": {
"checked_at": "2026-10-05T19:32:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-14670-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-STPM34TR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "CLKOUT/ZCR",
"type": "output",
"description": "Multifunctional output for zero-crossing detector or system clock signal, output voltage 0 to VCC."
},
{
"number": "2",
"name": "CLKIN/XTAL2",
"type": "input",
"description": "External clock input or crystal oscillator input 2, input voltage 0 to VCC."
},
{
"number": "3",
"name": "XTAL1",
"type": "input",
"description": "Crystal oscillator input 1, input voltage 0 to VCC."
},
{
"number": "4",
"name": "LED1",
"type": "output",
"description": "Programmable pulse output 1 for energy metrics or primary current sigma-delta bitstream, output voltage 0 to VCC."
},
{
"number": "5",
"name": "LED2",
"type": "output",
"description": "Programmable pulse output 2 for energy metrics or secondary current sigma-delta bitstream, output voltage 0 to VCC."
},
{
"number": "6",
"name": "INT1",
"type": "output",
"description": "Programmable interrupt output 1 or primary voltage sigma-delta bitstream, output voltage 0 to VCC."
},
{
"number": "7",
"name": "INT2",
"type": "output",
"description": "Programmable interrupt output 2 or secondary voltage sigma-delta bitstream, output voltage 0 to VCC."
},
{
"number": "8",
"name": "EN",
"type": "input",
"description": "Device enable input pin, input voltage 0 to VCC."
},
{
"number": "9",
"name": "VIP1",
"type": "input",
"description": "Positive voltage input for primary voltage measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "10",
"name": "VIN1",
"type": "input",
"description": "Negative voltage input for primary voltage measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "11",
"name": "IIP1",
"type": "input",
"description": "Positive current input for primary current measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "12",
"name": "IIN1",
"type": "input",
"description": "Negative current input for primary current measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "13",
"name": "IIN2",
"type": "input",
"description": "Negative current input for secondary current measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "14",
"name": "IIP2",
"type": "input",
"description": "Positive current input for secondary current measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "15",
"name": "VIN2",
"type": "input",
"description": "Negative voltage input for secondary voltage measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "16",
"name": "VIP2",
"type": "input",
"description": "Positive voltage input for secondary voltage measurement channel, input range -0.3 V to +0.3 V."
},
{
"number": "17",
"name": "VREF1",
"type": "power_out",
"description": "Output of voltage reference 1 for primary channel, output voltage 1.16 V to 1.18 V."
},
{
"number": "18",
"name": "GND_REF",
"type": "power_in",
"description": "Analog ground of voltage reference 1."
},
{
"number": "19",
"name": "VREF2",
"type": "power_out",
"description": "Output of voltage reference 2 for secondary channel, output voltage 1.16 V to 1.18 V."
},
{
"number": "20",
"name": "GNDA",
"type": "power_in",
"description": "Analog ground (shield)."
},
{
"number": "21",
"name": "VDDA",
"type": "power_out",
"description": "Output of analog voltage regulator, typical output 3.0 V."
},
{
"number": "22",
"name": "GND_REG",
"type": "power_in",
"description": "Ground for voltage regulator."
},
{
"number": "23",
"name": "VCC",
"type": "power_in",
"description": "Voltage supply input, range 3.0 V to 3.6 V."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "25",
"name": "GNDD",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "26",
"name": "GNDD",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "27",
"name": "VDDD",
"type": "power_out",
"description": "Output of digital voltage regulator, typical output 1.2 V."
},
{
"number": "28",
"name": "SYN",
"type": "input",
"description": "Synchronization pin for multi-device coordination or GPIO, input voltage 0 to VCC."
},
{
"number": "29",
"name": "SCS",
"type": "input",
"description": "SPI chip-select or UART/SPI interface selection pin, input voltage 0 to VCC."
},
{
"number": "30",
"name": "SCL",
"type": "input",
"description": "SPI clock input, input voltage 0 to VCC."
},
{
"number": "31",
"name": "MOSI/RXD",
"type": "input",
"description": "SPI master-out-slave-in or UART receive input, input voltage 0 to VCC."
},
{
"number": "32",
"name": "MISO/TXD",
"type": "output",
"description": "SPI master-in-slave-out or UART transmit output, output voltage 0 to VCC."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pins 25 and 26 are both labeled GNDD in Table 2, indicating dual digital ground pins for the 32-pin ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 29,
"cost_usd": 0.2486,
"at": "2026-10-05T19:32:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586184102668349440",
"pages": 122,
"sha256": "fc11ae6e2a323f49",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "QFN-32-EP(5x5)",
"Category": "Data Acquisition",
"Pins": "33"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stpm34tr"
],
"discovery_pitch": "STPM34TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"stpm34tr.kicad_sym",
"stpm34tr.kicad_mod",
"stpm34tr.glb",
"stpm34tr.step",
"stpm34tr.lbr",
"docs/hero.png",
"docs/stpm34tr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stpm34tr-hero.glb",
"stpm34tr-hero.overlay.json"
],
"visibility": {
"public": true
}
}