component
SI3019-F-FT
Public Made by Adomby adom
SILICON LABS Telecommunication Interface ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"description": "SILICON LABS Telecommunication Interface ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"si3019-f-ft",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"si3019-f-ft.step",
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"docs/si3019-f-ft-datasheet.pdf",
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"si3019-f-ft-hero.overlay.json",
"si3019-f-ft-etched.glb"
],
"component": {
"mpn": "SI3019-F-FT",
"manufacturer": "SILICON LABS",
"package": "TSSOP-16",
"pin_count": 16,
"category": "Interface ICs",
"subcategory": "Telecommunication Interface ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a8ae2faf1e30d37992b9e782d864fd8a.pdf",
"parts": {
"symbol": "si3019-f-ft.kicad_sym",
"footprint": "si3019-f-ft.kicad_mod",
"model_3d": "si3019-f-ft-hero.glb",
"model_3d_plain": "si3019-f-ft-etched.glb",
"model_3d_step": "si3019-f-ft-etched.step",
"model_3d_step_plain": "si3019-f-ft.step",
"lbr": "si3019-f-ft.lbr"
},
"distributor_links": {
"lcsc": "C1549101",
"digikey": "SI3019-F-FT-ND",
"mouser": "634-SI3019-F-FT"
},
"distributor_check": {
"checked_at": "2026-10-30T23:07:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "SI3019-F-FT-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "634-SI3019-F-FT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "QE",
"type": "passive",
"description": "Transistor emitter that connects to the emitter of Q3."
},
{
"number": "2",
"name": "DCT",
"type": "passive",
"description": "DC termination that provides dc termination to the telephone network."
},
{
"number": "3",
"name": "RX",
"type": "input",
"description": "Receive input that serves as the receive-side input from the telephone network."
},
{
"number": "4",
"name": "IB",
"type": "passive",
"description": "Internal bias that provides a bias voltage to the device."
},
{
"number": "5",
"name": "C1B",
"type": "passive",
"description": "Isolation capacitor 1B that connects to one side of isolation capacitor C1 and is used to communicate with the system-side device."
},
{
"number": "6",
"name": "C2B",
"type": "passive",
"description": "Isolation capacitor 2B that connects to one side of isolation capacitor C2 and is used to communicate with the system-side device."
},
{
"number": "7",
"name": "VREG",
"type": "passive",
"description": "Voltage regulator that connects to an external capacitor to provide bypassing for an internal power supply."
},
{
"number": "8",
"name": "RNG1",
"type": "passive",
"description": "Ring 1 that connects through a resistor to the TIP lead of the telephone line and provides the ring and caller ID signals to the DAA."
},
{
"number": "9",
"name": "RNG2",
"type": "passive",
"description": "Ring 2 that connects through a resistor to the RING lead of the telephone line and provides the ring and caller ID signals to the DAA."
},
{
"number": "10",
"name": "VREG2",
"type": "passive",
"description": "Voltage regulator 2 that connects to an external capacitor to provide bypassing for an internal power supply."
},
{
"number": "11",
"name": "SC",
"type": "passive",
"description": "SC connection that enables the external transistor network and should be tied through a 0 resistor to IGND."
},
{
"number": "12",
"name": "QE2",
"type": "passive",
"description": "Transistor emitter 2 that connects to the emitter of Q4."
},
{
"number": "13",
"name": "QB",
"type": "passive",
"description": "Transistor base that connects to the base of transistor Q4."
},
{
"number": "14",
"name": "DCT3",
"type": "passive",
"description": "DC termination 3 that provides dc termination to the telephone network."
},
{
"number": "15",
"name": "IGND",
"type": "power_in",
"description": "Isolated ground that connects to ground on the line-side interface."
},
{
"number": "16",
"name": "DCT2",
"type": "passive",
"description": "DC termination 2 that provides dc termination to the telephone network."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Table 27 maps QFN pin 8 to IGND with no TSSOP pin number, and the TSSOP-16 column is otherwise fully; Figure 53 (SOIC/TSSOP) text layout shows '2 IGND' next to pin 2, but Table 27 assigns TSSOP pin 2 to; Pin types are not stated in the datasheet; they were assigned from KiCad ERC classes based on the fu"
],
"pages_sent": 20,
"cost_usd": 0.095,
"at": "2026-10-30T23:07:46"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a8ae2faf1e30d37992b9e782d864fd8a.pdf",
"pages": 128,
"sha256": "c48c98a604cb0cd7",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "si3019-f-ft.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "si3019-f-ft-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
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"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "04cd78117aec32951fd16ca73caf89c654568babb6f99cb1189da6cbc158ef49",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "TSSOP-16",
"source_page": 119,
"D": {
"nom_mm": 5.0,
"range_mm": [
4.9,
5.1
]
},
"E1": {
"nom_mm": 4.4,
"range_mm": [
4.4,
4.5
]
},
"E": {
"nom_mm": 6.4,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.65,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.2,
"range_mm": [
null,
1.2
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "si3019-f-ft.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}