component
SN75DP149RSBT
Public Made by Adomby adom
Texas Instruments Video Interface ICs, WQFN-40-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": "sn75dp149rsbt",
"title": "SN75DP149RSBT",
"brief": "Texas Instruments Video Interface ICs, WQFN-40-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",
"communication interface chip-uart-485-232",
"sn75dp149rsbt",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SN75DP149RSBT",
"manufacturer": "Texas Instruments",
"package": "WQFN-40-EP(5x5)",
"pin_count": 41,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Video Interface ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/sn75dp149",
"parts": {
"symbol": "sn75dp149rsbt.kicad_sym",
"footprint": "sn75dp149rsbt.kicad_mod",
"model_3d": "sn75dp149rsbt-hero.glb",
"model_3d_plain": "sn75dp149rsbt-etched.glb",
"model_3d_step": "sn75dp149rsbt-etched.step",
"model_3d_step_plain": "sn75dp149rsbt.step",
"lbr": "sn75dp149rsbt.lbr"
},
"distributor_links": {
"lcsc": "C2872584",
"digikey": "296-43708-2-ND",
"mouser": "595-SN75DP149RSBT"
},
"distributor_check": {
"checked_at": "2026-10-28T17:09:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-43708-2-ND",
"status": "found",
"lifecycle": "Active"
},
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}
},
"pins": [
{
"number": "1",
"name": "IN_D2p",
"type": "input",
"description": "Channel 2 positive differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "2",
"name": "IN_D2n",
"type": "input",
"description": "Channel 2 negative differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "3",
"name": "HPD_SRC",
"type": "output",
"description": "Hot plug detect output on the source side."
},
{
"number": "4",
"name": "IN_D1p",
"type": "input",
"description": "Channel 1 positive differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "5",
"name": "IN_D1n",
"type": "input",
"description": "Channel 1 negative differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "6",
"name": "IN_D0p",
"type": "input",
"description": "Channel 0 positive differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "7",
"name": "IN_D0n",
"type": "input",
"description": "Channel 0 negative differential main link input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "8",
"name": "I2C_EN/PIN",
"type": "input",
"description": "Selects I2C control mode when High and pin-strap mode when Low."
},
{
"number": "9",
"name": "IN_CLKp",
"type": "input",
"description": "Positive clock differential input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "10",
"name": "IN_CLKn",
"type": "input",
"description": "Negative clock differential input (fail-safe); the recommended peak-to-peak differential input voltage is 75 to 1200 mV."
},
{
"number": "11",
"name": "VCC",
"type": "power_in",
"description": "3.3-V power supply; recommended range is 3.0 V to 3.6 V."
},
{
"number": "12",
"name": "VDD",
"type": "power_in",
"description": "1.1-V power supply; recommended range is 1.00 V to 1.27 V."
},
{
"number": "13",
"name": "SCL_CTL",
"type": "input",
"description": "I2C clock signal for control; when I2C_EN/PIN is Low, pin strapping takes priority and these functions cannot be changed by I2C."
},
{
"number": "14",
"name": "SDA_CTL",
"type": "bidirectional",
"description": "I2C data signal for control; when I2C_EN/PIN is Low, pin strapping takes priority and these functions cannot be changed by I2C."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "16",
"name": "PRE_SEL",
"type": "input",
"description": "Three-level de-emphasis select: Low gives -2 dB de-emphasis, no connect gives 0 dB, and High is reserved."
},
{
"number": "17",
"name": "EQ_SEL/A0",
"type": "input",
"description": "Three-level input receive equalization strap when I2C_EN/PIN is Low (Low = fixed 7.5 dB, no connect = adaptive EQ, High = fixed 14 dB); address bit 1 when I2C_EN/PIN is High."
},
{
"number": "18",
"name": "Vsadj",
"type": "input",
"description": "TMDS-compliant voltage swing control; nominal resistor to GND of 6.5 kΩ per the recommended operating conditions."
},
{
"number": "19",
"name": "VDD",
"type": "power_in",
"description": "1.1-V power supply; recommended range is 1.00 V to 1.27 V."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "1.1-V power supply; recommended range is 1.00 V to 1.27 V."
},
{
"number": "21",
"name": "OUT_CLKn",
"type": "output",
"description": "Negative TMDS data clock differential output (fail-safe)."
},
{
"number": "22",
"name": "OUT_CLKp",
"type": "output",
"description": "Positive TMDS data clock differential output (fail-safe)."
},
{
"number": "23",
"name": "HDMI_SEL/A1",
"type": "input",
"description": "When I2C_EN/PIN is Low, High configures the device for DVI and Low configures it for HDMI; when High, it is address bit 2. Has a weak internal pull-down."
},
{
"number": "24",
"name": "OUT_D0n",
"type": "output",
"description": "Negative TMDS data 0 differential output (fail-safe)."
},
{
"number": "25",
"name": "OUT_D0p",
"type": "output",
"description": "Positive TMDS data 0 differential output (fail-safe)."
},
{
"number": "26",
"name": "OUT_D1n",
"type": "output",
"description": "Negative TMDS data 1 differential output (fail-safe)."
},
{
"number": "27",
"name": "OUT_D1p",
"type": "output",
"description": "Positive TMDS data 1 differential output (fail-safe)."
},
{
"number": "28",
"name": "HPD_SNK",
"type": "input",
"description": "Fail-safe hot plug detect input on the sink side."
},
{
"number": "29",
"name": "OUT_D2n",
"type": "output",
"description": "Negative TMDS data 2 differential output (fail-safe)."
},
{
"number": "30",
"name": "OUT_D2p",
"type": "output",
"description": "Positive TMDS data 2 differential output (fail-safe)."
},
{
"number": "31",
"name": "VDD",
"type": "power_in",
"description": "1.1-V power supply; recommended range is 1.00 V to 1.27 V."
},
{
"number": "32",
"name": "SCL_SNK",
"type": "bidirectional",
"description": "Fail-safe sink-side TMDS port bidirectional DDC clock line."
},
{
"number": "33",
"name": "SDA_SNK",
"type": "bidirectional",
"description": "Fail-safe sink-side TMDS port bidirectional DDC data line."
},
{
"number": "34",
"name": "SLEW_CTL",
"type": "input",
"description": "Three-level slew rate control when I2C_EN/PIN is Low: High = fastest data rate (default), Low = 5-ps slow, no connect = 10-ps slow; controlled through I2C when I2C_EN/PIN is High."
},
{
"number": "35",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "36",
"name": "OE",
"type": "input",
"description": "Operation enable/reset: Low = power-down mode, High = normal operation; internal weak pullup resets the device on a High-to-Low transition."
},
{
"number": "37",
"name": "VCC",
"type": "power_in",
"description": "3.3-V power supply; recommended range is 3.0 V to 3.6 V."
},
{
"number": "38",
"name": "SCL_SRC",
"type": "bidirectional",
"description": "Fail-safe source-side TMDS port bidirectional DDC clock line."
},
{
"number": "39",
"name": "SDA_SRC",
"type": "bidirectional",
"description": "Fail-safe source-side TMDS port bidirectional DDC data line."
},
{
"number": "40",
"name": "VDD",
"type": "power_in",
"description": "1.1-V power supply; recommended range is 1.00 V to 1.27 V."
},
{
"number": "41",
"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-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet's RSB package has an exposed thermal pad labeled 'Thermal Pad — Ground' in the Pin Fun; The pin diagram text on page 4 is garbled in extraction, so the pin-number-to-signal mapping was tak; The ordering addendum (page 49) lists SN75DP149RSBT as a 40-pin WQFN (RSB), 250-piece small tape-and",
"exposed pad 41 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0875,
"at": "2026-10-28T17:09:26"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/sn75dp149",
"pages": 54,
"sha256": "9538c583822a0183",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sn75dp149rsbt.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
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0.77
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8f37bc7a9aab4742c34f137d9822c0352acc227532830034555744338483cdfc",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn75dp149rsbt-etched.step",
"role": "eda",
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "55e3471f50c523dd84fabd05f71b40051e20e2c1ce70810fea1a89ec314536a7",
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]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-40-EP(5x5)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "41"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "9538c583822a0183c799026360e18b6aa23fc7ef2e6417049a7a7b472e11901a",
"rows": [
{
"name": "Vsadj resistor tolerance (1% precision recommended)",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "1% precision resistor recommended for Vsadj",
"source_page": 26,
"source": "datasheet"
},
{
"name": "AC coupling capacitance (main link inputs)",
"symbol": "CAC",
"kind": "recommended_operating",
"unit": "nF",
"min": 75,
"typ": 100,
"max": 200,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 1.4,
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{
"name": "Main link input (IN_Dx AC-coupled mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 1.56,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TMDS outputs (OUT_Dx)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 7,
"source": "datasheet"
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{
"name": "HPD_SRC, Vsadj, SDA_CTL, SCL_CTL, OE, HDMI_SEL/A1, EQ_SEL/A0, I2C_EN/PIN, SLEW_CTL, SDA_SRC, SCL_SRC voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
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"source": "datasheet"
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{
"name": "HPD_SNK, SDA_SNK, SCL_SNK voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VCC supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VDD supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1,
"typ": 1.1,
"max": 1.27,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Case temperature for RSB package",
"symbol": "TCASE",
"kind": "recommended_operating",
"unit": "°C",
"min": null,
"typ": null,
"max": 93.5,
"conditions": "RSB (WQFN) package",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Operating free-air temperature (SN75DP149)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": 0,
"typ": null,
"max": 85,
"conditions": "SN75DP149",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Peak-to-peak input differential voltage",
"symbol": "VID_PP",
"kind": "recommended_operating",
"unit": "mV",
"min": 75,
"typ": null,
"max": 1200,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input common mode voltage",
"symbol": "VIC",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Data rate",
"symbol": "dR",
"kind": "recommended_operating",
"unit": "Gbps",
"min": 0.25,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "DC input voltage (control pins)",
"symbol": "VI-DC",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Low-level input voltage at OE",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "OE",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Low-level input voltage at SLEW_CTL, PRE_SEL, EQ_SEL/A0, SWAP/POL",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "SLEW_CTL, PRE_SEL, EQ_SEL/A0, SWAP/POL",
"source_page": 8,
"source": "datasheet"
},
{
"name": "No connect input voltage at SLEW_CTL, PRE_SEL, EQ_SEL/A0, SWAP/POL",
"symbol": "VIM",
"kind": "recommended_operating",
"unit": "V",
"min": 1,
"typ": 1.2,
"max": 1.4,
"conditions": "SLEW_CTL, PRE_SEL, EQ_SEL/A0, SWAP/POL no connect",
"source_page": 8,
"source": "datasheet"
},
{
"name": "High-level input voltage at SLEW_CTL, OE, PRE_SEL, EQ_SEL/A0, SWAP/POL",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 2.6,
"typ": null,
"max": null,
"conditions": "SLEW_CTL, OE, PRE_SEL, EQ_SEL/A0, SWAP/POL",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Low-level output voltage",
"symbol": "VOL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "recommended_operating",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "High-level input current",
"symbol": "IIH",
"kind": "recommended_operating",
"unit": "µA",
"min": -30,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 8,
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"name": "Single-ended high level output voltage (offset from VCC)",
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