component
TM1621E
Public Made by Adomby adom
TM Shenzhen Titan Micro Elec LCD Drivers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tm1621e",
"title": "TM1621E",
"brief": "TM Shenzhen Titan Micro Elec LCD Drivers, SOP-16. 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",
"led drivers",
"tm1621e",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TM1621E",
"manufacturer": "TM Shenzhen Titan Micro Elec",
"package": "SOP-16",
"pin_count": 16,
"category": "LED Drivers",
"subcategory": "LCD Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837774523301888",
"parts": {
"symbol": "tm1621e.kicad_sym",
"footprint": "tm1621e.kicad_mod",
"model_3d": "tm1621e-hero.glb",
"model_3d_plain": "tm1621e-etched.glb",
"model_3d_step": "tm1621e-etched.step",
"model_3d_step_plain": "tm1621e.step",
"lbr": "tm1621e.lbr"
},
"distributor_links": {
"lcsc": "C5345960"
},
"distributor_check": {
"checked_at": "2026-10-20T23:12:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "/CS",
"type": "input",
"description": "When /CS is high, reads and writes of data and commands are invalid and the serial interface circuit is reset; when /CS is low and used as an input, reads and writes of data and commands are valid."
},
{
"number": "2",
"name": "/WR",
"type": "input",
"description": "Data on the DATA line is written into the TM1621E on the rising edge of /WR."
},
{
"number": "3",
"name": "DATA",
"type": "bidirectional",
"description": "Serial data input/output that requires an external pull-up resistor; serial clock (fCLK) is specified up to 300 KHz at 3 V and 500 KHz at 5 V."
},
{
"number": "4",
"name": "VSS",
"type": "power_in",
"description": "Logic ground; system ground connection."
},
{
"number": "5",
"name": "VLCD",
"type": "power_in",
"description": "LCD power supply input, used to set the LCD operating voltage; VLCD must be lower than VDD."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Logic positive supply, operating voltage range 2.4 V to 5.2 V."
},
{
"number": "7",
"name": "COM0",
"type": "output",
"description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
},
{
"number": "8",
"name": "COM1",
"type": "output",
"description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
},
{
"number": "9",
"name": "COM2",
"type": "output",
"description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
},
{
"number": "10",
"name": "COM3",
"type": "output",
"description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
},
{
"number": "11",
"name": "SEG8",
"type": "output",
"description": "LCD segment driver output."
},
{
"number": "12",
"name": "SEG11",
"type": "output",
"description": "LCD segment driver output."
},
{
"number": "13",
"name": "SEG14",
"type": "output",
"description": "LCD segment driver output."
},
{
"number": "14",
"name": "SEG17",
"type": "output",
"description": "LCD segment driver output."
},
{
"number": "15",
"name": "SEG20",
"type": "output",
"description": "LCD segment driver output."
},
{
"number": "16",
"name": "SEG23",
"type": "output",
"description": "LCD segment driver output."
}
],
"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 1 gives the COM0~COM3 group as pins 7~10 without a per-pin list; the one-to-one mapping COM0→7; Table 1 gives the segment group as pins 11~16 for SEG8, SEG11, SEG14, SEG17, SEG20, SEG23; the one-t; Table 1 describes /WR as 'data input', but the function text says data is latched on the rising edge",
"6/16 pins cited to the wrong page (name found elsewhere): ['8:COM1@p2', '9:COM2@p2', '12:SEG11@p2', '13:SEG14@p2']"
],
"pages_sent": 9,
"cost_usd": 0.0387,
"at": "2026-10-20T23:10:25"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837774523301888",
"pages": 9,
"sha256": "970a78d5f0b0c274",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "tm1621e.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tm1621e-etched.step",
"role": "eda",
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"footprint_binding": "identity",
"sha256": "2d23f0adc251e285feaeb7df53abbc0825238913a3199f5046614fb852a7b442",
"checked": "2026-10-20",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "TM Shenzhen Titan Micro Elec",
"Package": "SOP-16",
"Category": "LED Drivers",
"Pins": "16"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "970a78d5f0b0c2743aa5a13d6b78e596382f24d470c07385778b3bb310c772a7",
"rows": [
{
"name": "工作电压 (operating voltage)",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": 5.2,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "工作电流 (operating current)",
"symbol": "IDD",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 150,
"max": 300,
"conditions": "3V 不带负载 片内RC振荡器",
"source_page": 3,
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},
{
"name": "工作电流 (operating current)",
"symbol": "IDD",
"kind": "electrical",
"unit": "uA",
"min": null,
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"max": 600,
"conditions": "5V 不带负载 片内RC振荡器",
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},
{
"name": "待机电流 (standby current)",
"symbol": "ISTB",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.1,
"max": 5,
"conditions": "3V 不带负载 省电模式",
"source_page": 3,
"source": "datasheet"
},
{
"name": "待机电流 (standby current)",
"symbol": "ISTB",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.3,
"max": 10,
"conditions": "5V 不带负载 省电模式",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输入低电平电压 (input low voltage)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.6,
"conditions": "3V DATA,/WR,/CS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输入低电平电压 (input low voltage)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 1,
"conditions": "5V DATA,/WR,/CS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输入高电平电压 (input high voltage)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": 3,
"conditions": "3V DATA,/WR,/CS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输入高电平电压 (input high voltage)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 5,
"conditions": "5V DATA,/WR,/CS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "DATA 输出低电平电流 (DATA sink current)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 0.5,
"typ": null,
"max": 1.2,
"conditions": "3V VOL=0.3V / VOL=0.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "DATA 输出低电平电流 (DATA sink current)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 1.3,
"typ": null,
"max": 2.6,
"conditions": "5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "DATA 输出高电平电流 (DATA source current)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "mA",
"min": -0.4,
"typ": null,
"max": -0.8,
"conditions": "3V VOH=2.7V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "DATA 输出高电平电流 (DATA source current)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "mA",
"min": -0.9,
"typ": null,
"max": -1.8,
"conditions": "5V VOH=4.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 公共口漏电流 (LCD common sink current)",
"symbol": "IOL2",
"kind": "electrical",
"unit": "uA",
"min": 80,
"typ": null,
"max": 150,
"conditions": "3V VOL=0.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 公共口漏电流 (LCD common sink current)",
"symbol": "IOL2",
"kind": "electrical",
"unit": "uA",
"min": 150,
"typ": null,
"max": 250,
"conditions": "5V VOL=0.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 公共口源电流 (LCD common source current)",
"symbol": "IOH2",
"kind": "electrical",
"unit": "uA",
"min": -80,
"typ": null,
"max": -120,
"conditions": "3V VOH=2.7V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 公共口源电流 (LCD common source current)",
"symbol": "IOH2",
"kind": "electrical",
"unit": "uA",
"min": -120,
"typ": null,
"max": -200,
"conditions": "5V VOH=4.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 段管脚漏电流 (LCD segment sink current)",
"symbol": "IOL3",
"kind": "electrical",
"unit": "uA",
"min": 60,
"typ": null,
"max": 120,
"conditions": "3V VOL=0.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 段管脚漏电流 (LCD segment sink current)",
"symbol": "IOL3",
"kind": "electrical",
"unit": "uA",
"min": 120,
"typ": null,
"max": 200,
"conditions": "5V VOL=0.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 段管脚源电流 (LCD segment source current)",
"symbol": "IOH3",
"kind": "electrical",
"unit": "uA",
"min": -40,
"typ": null,
"max": -70,
"conditions": "3V VOH=2.7V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LCD 段管脚源电流 (LCD segment source current)",
"symbol": "IOH3",
"kind": "electrical",
"unit": "uA",
"min": -70,
"typ": null,
"max": -100,
"conditions": "5V VOH=4.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "上拉电阻 (pull-up resistance)",
"symbol": "RPH",
"kind": "electrical",
"unit": "Kohm",
"min": 40,
"typ": 80,
"max": 150,
"conditions": "3V DATA,/WR,/CS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "上拉电阻 (pull-up resistance)",
"symbol": "RPH",
"kind": "electrical",
"unit": "Kohm",
"min": 30,
"typ": 60,
"max": 100,
"conditions": "5V VOH=4.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "供应电压 (supply voltage, absolute maximum as printed)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "贮存温度 (storage temperature)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -50,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "工作温度 (operating temperature)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
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"discovery_triggers": [
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],
"discovery_pitch": "TM1621E (TM Shenzhen Titan Micro Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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