component
HTM1640-TD
Public Made by Adomby adom
TDSEMIC LED Drivers, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "TDSEMIC LED Drivers, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"led drivers",
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"component": {
"mpn": "HTM1640-TD",
"manufacturer": "TDSEMIC",
"package": "SOP-28",
"pin_count": 28,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/13292d1b57ddb477be2dd9627a91a7a4.pdf",
"parts": {
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"lbr": "htm1640-td.lbr"
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"distributor_links": {
"lcsc": "C48542721"
},
"distributor_check": {
"checked_at": "2026-10-17T21:46:22Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GRID12",
"type": "output",
"description": "Digit (grid) 12 output, N-channel open-drain."
},
{
"number": "2",
"name": "GRID13",
"type": "output",
"description": "Digit (grid) 13 output, N-channel open-drain."
},
{
"number": "3",
"name": "GRID14",
"type": "output",
"description": "Digit (grid) 14 output, N-channel open-drain."
},
{
"number": "4",
"name": "GRID15",
"type": "output",
"description": "Digit (grid) 15 output, N-channel open-drain."
},
{
"number": "5",
"name": "GRID16",
"type": "output",
"description": "Digit (grid) 16 output, N-channel open-drain."
},
{
"number": "6",
"name": "VSS",
"type": "power_in",
"description": "Logic ground, connect to system ground."
},
{
"number": "7",
"name": "DIN",
"type": "input",
"description": "Serial data input; input data changes on the low level of CLK and is transferred on the high level of CLK."
},
{
"number": "8",
"name": "SCLK",
"type": "input",
"description": "Clock input; data is latched on the rising edge."
},
{
"number": "9",
"name": "SEG1",
"type": "output",
"description": "Segment 1 output, P-channel open-drain."
},
{
"number": "10",
"name": "SEG2",
"type": "output",
"description": "Segment 2 output, P-channel open-drain."
},
{
"number": "11",
"name": "SEG3",
"type": "output",
"description": "Segment 3 output, P-channel open-drain."
},
{
"number": "12",
"name": "SEG4",
"type": "output",
"description": "Segment 4 output, P-channel open-drain."
},
{
"number": "13",
"name": "SEG5",
"type": "output",
"description": "Segment 5 output, P-channel open-drain."
},
{
"number": "14",
"name": "SEG6",
"type": "output",
"description": "Segment 6 output, P-channel open-drain."
},
{
"number": "15",
"name": "SEG7",
"type": "output",
"description": "Segment 7 output, P-channel open-drain."
},
{
"number": "16",
"name": "SEG8",
"type": "output",
"description": "Segment 8 output, P-channel open-drain."
},
{
"number": "17",
"name": "VDD",
"type": "power_in",
"description": "Logic supply, 5V ±10% per pin table (recommended range 3 to 5.5 V, absolute maximum -0.5 to +7.0 V)."
},
{
"number": "18",
"name": "GRID1",
"type": "output",
"description": "Digit (grid) 1 output, N-channel open-drain."
},
{
"number": "19",
"name": "GRID2",
"type": "output",
"description": "Digit (grid) 2 output, N-channel open-drain."
},
{
"number": "20",
"name": "GRID3",
"type": "output",
"description": "Digit (grid) 3 output, N-channel open-drain."
},
{
"number": "21",
"name": "GRID4",
"type": "output",
"description": "Digit (grid) 4 output, N-channel open-drain."
},
{
"number": "22",
"name": "GRID5",
"type": "output",
"description": "Digit (grid) 5 output, N-channel open-drain."
},
{
"number": "23",
"name": "GRID6",
"type": "output",
"description": "Digit (grid) 6 output, N-channel open-drain."
},
{
"number": "24",
"name": "GRID7",
"type": "output",
"description": "Digit (grid) 7 output, N-channel open-drain."
},
{
"number": "25",
"name": "GRID8",
"type": "output",
"description": "Digit (grid) 8 output, N-channel open-drain."
},
{
"number": "26",
"name": "GRID9",
"type": "output",
"description": "Digit (grid) 9 output, N-channel open-drain."
},
{
"number": "27",
"name": "GRID10",
"type": "output",
"description": "Digit (grid) 10 output, N-channel open-drain."
},
{
"number": "28",
"name": "GRID11",
"type": "output",
"description": "Digit (grid) 11 output, N-channel open-drain."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet covers both SOP28 and SSOP28 and one pinout diagram is shown. The 12 pages provided do; The pin diagram (p-03) labels pins 6, 7 and 8 as GND, DATA and CLK. The pin table (p-04) labels them; The VDD description says 5V±10%. The recommended-operating table gives min 3, typ 5, max 5.5 V, and ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 12,
"cost_usd": 0.3926,
"at": "2026-10-17T21:44:25"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/13292d1b57ddb477be2dd9627a91a7a4.pdf",
"pages": 14,
"sha256": "78ad4d44327d95f1",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
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}
},
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}