component
TM1681-LQFP48
Public Made by Adomby adom
TM Shenzhen Titan Micro Elec LED Drivers, LQFP-48(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "tm1681-lqfp48",
"version": "0.1.0",
"type": "component",
"description": "TM Shenzhen Titan Micro Elec LED Drivers, LQFP-48(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"led drivers",
"tm1681-lqfp48",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tm1681-lqfp48.kicad_sym",
"tm1681-lqfp48.kicad_mod",
"tm1681-lqfp48.glb",
"tm1681-lqfp48.step",
"tm1681-lqfp48.lbr",
"docs/hero.png",
"docs/tm1681-lqfp48-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tm1681-lqfp48-hero.glb",
"tm1681-lqfp48-hero.overlay.json",
"tm1681-lqfp48-etched.glb"
],
"component": {
"mpn": "TM1681-LQFP48",
"manufacturer": "TM Shenzhen Titan Micro Elec",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382922346967040",
"parts": {
"symbol": "tm1681-lqfp48.kicad_sym",
"footprint": "tm1681-lqfp48.kicad_mod",
"model_3d": "tm1681-lqfp48-hero.glb",
"model_3d_plain": "tm1681-lqfp48-etched.glb",
"model_3d_step": "tm1681-lqfp48-etched.step",
"model_3d_step_plain": "tm1681-lqfp48.step",
"lbr": "tm1681-lqfp48.lbr"
},
"distributor_links": {
"lcsc": "C22767318"
},
"distributor_check": {
"checked_at": "2026-10-22T00:53:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "ROW10",
"type": "output",
"description": "LED row drive output."
},
{
"number": "2",
"name": "ROW9",
"type": "output",
"description": "LED row drive output."
},
{
"number": "3",
"name": "ROW8",
"type": "output",
"description": "LED row drive output."
},
{
"number": "4",
"name": "ROW7",
"type": "output",
"description": "LED row drive output."
},
{
"number": "5",
"name": "ROW6",
"type": "output",
"description": "LED row drive output."
},
{
"number": "6",
"name": "LED_VDD",
"type": "power_in",
"description": "LED driver positive supply; must be at the same voltage as VDD."
},
{
"number": "7",
"name": "ROW5",
"type": "output",
"description": "LED row drive output."
},
{
"number": "8",
"name": "ROW4",
"type": "output",
"description": "LED row drive output."
},
{
"number": "9",
"name": "ROW3",
"type": "output",
"description": "LED row drive output."
},
{
"number": "10",
"name": "ROW2",
"type": "output",
"description": "LED row drive output."
},
{
"number": "11",
"name": "ROW1",
"type": "output",
"description": "LED row drive output."
},
{
"number": "12",
"name": "ROW0",
"type": "output",
"description": "LED row drive output."
},
{
"number": "13",
"name": "VSS",
"type": "power_in",
"description": "Logic supply negative terminal (ground)."
},
{
"number": "14",
"name": "OSC",
"type": "bidirectional",
"description": "Outputs the on-chip RC system clock in RC master mode; in slave or external-clock master mode the system clock is input here."
},
{
"number": "15",
"name": "DATA",
"type": "bidirectional",
"description": "Serial data input/output."
},
{
"number": "16",
"name": "WR",
"type": "input",
"description": "Write clock input; data on DATA is written into the TM1681 on the rising edge of WR."
},
{
"number": "17",
"name": "RD",
"type": "input",
"description": "Read clock input; RAM data is output on DATA at the falling edge of RD and latched at the next rising edge."
},
{
"number": "18",
"name": "CS",
"type": "input",
"description": "Chip select; when high data and command transfers are disabled and the serial interface is reset, when low transfers are enabled."
},
{
"number": "19",
"name": "SYNC",
"type": "bidirectional",
"description": "Sync signal output in master or external-clock master mode; sync signal input in slave mode."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "Logic supply positive terminal, operating range 2.4 to 5.5 V."
},
{
"number": "21",
"name": "COM0",
"type": "output",
"description": "LED common terminal (COM0), N-MOS or P-MOS open-drain selectable."
},
{
"number": "22",
"name": "COM1",
"type": "output",
"description": "LED common terminal (COM1), N-MOS or P-MOS open-drain selectable."
},
{
"number": "23",
"name": "COM2",
"type": "output",
"description": "LED common terminal (COM2), N-MOS or P-MOS open-drain selectable."
},
{
"number": "24",
"name": "LED_VSS",
"type": "power_in",
"description": "LED driver negative supply; connect to VSS."
},
{
"number": "25",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "26",
"name": "COM3",
"type": "output",
"description": "LED common terminal (COM3), N-MOS or P-MOS open-drain selectable."
},
{
"number": "27",
"name": "COM4",
"type": "output",
"description": "LED common terminal (COM4), N-MOS or P-MOS open-drain selectable."
},
{
"number": "28",
"name": "COM5",
"type": "output",
"description": "LED common terminal (COM5), N-MOS or P-MOS open-drain selectable."
},
{
"number": "29",
"name": "COM6",
"type": "output",
"description": "LED common terminal (COM6), N-MOS or P-MOS open-drain selectable."
},
{
"number": "30",
"name": "COM7",
"type": "output",
"description": "LED common terminal (COM7), N-MOS or P-MOS open-drain selectable."
},
{
"number": "31",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "32",
"name": "LED_VSS",
"type": "power_in",
"description": "LED driver negative supply; connect to VSS."
},
{
"number": "33",
"name": "LED_VDD",
"type": "power_in",
"description": "LED driver positive supply; must be at the same voltage as VDD."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "35",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "36",
"name": "ROW23",
"type": "output",
"description": "LED row drive output."
},
{
"number": "37",
"name": "ROW22",
"type": "output",
"description": "LED row drive output."
},
{
"number": "38",
"name": "ROW21",
"type": "output",
"description": "LED row drive output."
},
{
"number": "39",
"name": "ROW20",
"type": "output",
"description": "LED row drive output."
},
{
"number": "40",
"name": "ROW19",
"type": "output",
"description": "LED row drive output."
},
{
"number": "41",
"name": "ROW18",
"type": "output",
"description": "LED row drive output."
},
{
"number": "42",
"name": "ROW17",
"type": "output",
"description": "LED row drive output."
},
{
"number": "43",
"name": "ROW16",
"type": "output",
"description": "LED row drive output."
},
{
"number": "44",
"name": "ROW15",
"type": "output",
"description": "LED row drive output."
},
{
"number": "45",
"name": "ROW14",
"type": "output",
"description": "LED row drive output."
},
{
"number": "46",
"name": "ROW13",
"type": "output",
"description": "LED row drive output."
},
{
"number": "47",
"name": "ROW12",
"type": "output",
"description": "LED row drive output."
},
{
"number": "48",
"name": "ROW11",
"type": "output",
"description": "LED row drive output."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382922346967040",
"pages": 19,
"sha256": "ed140a0ed774d54e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tm1681-lqfp48.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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9.0,
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],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tm1681-lqfp48-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"sha256": "191e5a2b9cebacc0fcbdf5cb616fff8a87f5a4bcc78cafd99b3d09c5038d3189",
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}
]
}
}