component
TPS274C65ASHRHAR
Public Made by Adomby adom
Texas Instruments Power Distribution Switches, VQFN-40(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tps274c65ashrhar",
"title": "TPS274C65ASHRHAR",
"brief": "Texas Instruments Power Distribution Switches, VQFN-40(6x6). 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",
"power management (pmic)",
"tps274c65ashrhar",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS274C65ASHRHAR",
"manufacturer": "Texas Instruments",
"package": "VQFN-40(6x6)",
"pin_count": 41,
"category": "Power Management (PMIC)",
"subcategory": "Power Distribution Switches",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8650084225054584832",
"parts": {
"symbol": "tps274c65ashrhar.kicad_sym",
"footprint": "tps274c65ashrhar.kicad_mod",
"model_3d": "tps274c65ashrhar-hero.glb",
"model_3d_plain": "tps274c65ashrhar-etched.glb",
"model_3d_step": "tps274c65ashrhar-etched.step",
"model_3d_step_plain": "tps274c65ashrhar.step",
"lbr": "tps274c65ashrhar.lbr"
},
"distributor_links": {
"lcsc": "C36619787",
"digikey": "296-TPS274C65ASHRHARTR-ND",
"mouser": "595-TPS274C65ASHRHAR"
},
"distributor_check": {
"checked_at": "2026-10-21T01:44:18Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-TPS274C65ASHRHARTR-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-TPS274C65ASHRHAR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "READY",
"type": "output",
"description": "Logic-low output indicating the IC is ready for SPI data transmission; connect to the IC GND pin through a resistor."
},
{
"number": "2",
"name": "FLT",
"type": "output",
"description": "Open-drain fault output that signals a fault on any one or more channels and must be pulled up to the VDD pin."
},
{
"number": "3",
"name": "DO_EN",
"type": "input",
"description": "Setting this pin low disables all outputs; set high to enable SPI-based output control (internal pull-down)."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Logic supply input; recommended operating range is 3.0 V to 5.5 V, and an external regulator on VDD must derive its supply from the same VS supply."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "6",
"name": "ISNS",
"type": "output",
"description": "SNS current output that requires a parallel RC network to the IC GND pin."
},
{
"number": "7",
"name": "SDO",
"type": "output",
"description": "SPI data output from the device; it is three-stated when CS is high."
},
{
"number": "8",
"name": "SDI",
"type": "input",
"description": "SPI data input for the secondary (device) side."
},
{
"number": "9",
"name": "SCLK",
"type": "input",
"description": "SPI clock input; maximum SPI clock rate is 10 MHz."
},
{
"number": "10",
"name": "CS",
"type": "input",
"description": "SPI chip select input."
},
{
"number": "11",
"name": "RCB3",
"type": "output",
"description": "Gate connection for the reverse current blocking FET of channel 3."
},
{
"number": "12",
"name": "OUT3",
"type": "output",
"description": "Output voltage for channel 3."
},
{
"number": "13",
"name": "OUT3",
"type": "output",
"description": "Output voltage for channel 3."
},
{
"number": "14",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "15",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "16",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "17",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "18",
"name": "OUT4",
"type": "output",
"description": "Output voltage for channel 4."
},
{
"number": "19",
"name": "OUT4",
"type": "output",
"description": "Output voltage for channel 4."
},
{
"number": "20",
"name": "RCB4",
"type": "output",
"description": "Gate connection for the reverse current blocking FET of channel 4."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "22",
"name": "LEDOUT1",
"type": "output",
"description": "LED matrix select driver output for channel 1."
},
{
"number": "23",
"name": "LEDOUT2",
"type": "output",
"description": "LED matrix select driver output for channel 2."
},
{
"number": "24",
"name": "LEDOUT3",
"type": "output",
"description": "LED matrix select driver output for channel 3."
},
{
"number": "25",
"name": "LEDOUT4",
"type": "output",
"description": "LED matrix select driver output for channel 4."
},
{
"number": "26",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect."
},
{
"number": "27",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect."
},
{
"number": "28",
"name": "DSPI",
"type": "input",
"description": "Pulling this pin high configures the device in daisy-chain SPI mode."
},
{
"number": "29",
"name": "REG_EN",
"type": "input",
"description": "Internal regulator enable: float to enable; tie to GND to disable and supply VDD externally."
},
{
"number": "30",
"name": "ADDCFG",
"type": "input",
"description": "SPI address configuration pin that sets the 3-bit device address (up to 8 devices) via a resistor to GND (<1% tolerance recommended); leave floating in daisy-chain mode."
},
{
"number": "31",
"name": "RCB2",
"type": "output",
"description": "Gate connection for the reverse current blocking FET of channel 2."
},
{
"number": "32",
"name": "OUT2",
"type": "output",
"description": "Output voltage for channel 2."
},
{
"number": "33",
"name": "OUT2",
"type": "output",
"description": "Output voltage for channel 2."
},
{
"number": "34",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "35",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "36",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "37",
"name": "VS",
"type": "power_in",
"description": "24 V switch supply input to the IC; absolute maximum continuous supply is 40 V."
},
{
"number": "38",
"name": "OUT1",
"type": "output",
"description": "Output voltage for channel 1."
},
{
"number": "39",
"name": "OUT1",
"type": "output",
"description": "Output voltage for channel 1."
},
{
"number": "40",
"name": "RCB1",
"type": "output",
"description": "Gate connection for the reverse current blocking FET of channel 1."
},
{
"number": "41",
"name": "GND",
"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: Table 5-1 lists SCLK type as O, but its description says 'SPI Clock Input'. Recorded as input based ; The exposed pad is GND ('Connected to GND pin of the IC') but has no printed number, so it is omitte; Pins 26 and 27 are marked DNC (do not connect) in Table 5-1 for the AS/ASH version; recorded as unco",
"exposed pad 41 added from the footprint"
],
"pages_sent": 21,
"cost_usd": 0.1196,
"at": "2026-10-21T01:41:01"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8650084225054584832",
"pages": 92,
"sha256": "5e68c3837ef2ef8c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"seat": "z = 0",
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6,
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1
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps274c65ashrhar-etched.step",
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"sha256": "3e5c8bccb6e30ac0bfc86efc8771575431f580ee9c6e3207a4ef751b11b0e9d5",
"checked": "2026-10-21",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-40(6x6)",
"Category": "Power Management (PMIC)",
"Pins": "41"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5e68c3837ef2ef8c7e048cb21773cfb3c136440217b75bb563015be6bd0ff577",
"rows": [
{
"name": "CHx ICL current limitation level, H version (Setting = 2.45 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 2.06,
"typ": 2.45,
"max": 2.84,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 2.26 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 2.01,
"typ": 2.26,
"max": 2.88,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 2.07 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 1.74,
"typ": 2.07,
"max": 2.4,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 1.9 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 1.6,
"typ": 1.9,
"max": 2.3,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 1.71 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 1.42,
"typ": 1.71,
"max": 1.94,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 1.52 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 1.2,
"typ": 1.52,
"max": 1.78,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 1.33 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 1.06,
"typ": 1.33,
"max": 1.6,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 1.15 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.94,
"typ": 1.15,
"max": 1.36,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.96 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.78,
"typ": 0.96,
"max": 1.1,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.86 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.72,
"typ": 0.86,
"max": 1.02,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.76 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.64,
"typ": 0.76,
"max": 0.88,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.67 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.53,
"typ": 0.67,
"max": 0.78,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.57 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.47,
"typ": 0.57,
"max": 0.65,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.48 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.4,
"typ": 0.48,
"max": 0.55,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.38 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.3,
"typ": 0.38,
"max": 0.45,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx ICL current limitation level, H version (Setting = 0.29 A)",
"symbol": "ICLx",
"kind": "electrical",
"unit": "A",
"min": 0.22,
"typ": 0.29,
"max": 0.39,
"conditions": "Regulated current at short circuit RL < 200 mohms when enabled, VDD = 3.3 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "CHx VDS clamp voltage",
"symbol": "VDS_Clamp",
"kind": "electrical",
"unit": "V",
"min": 40,
"typ": 44,
"max": 50,
"conditions": "FET current = 10 mA, VS = 24 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CHx VDS clamp voltage",
"symbol": "VDS_Clamp",
"kind": "electrical",
"unit": "V",
"min": 33,
"typ": 37,
"max": 41,
"conditions": "FET current = 10 mA, VS = 10 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VS undervoltage protection falling",
"symbol": "VS_UVPF",
"kind": "electrical",
"unit": "V",
"min": 8.6,
"typ": 9,
"max": 9.3,
"conditions": "Measured with respect to GND pin of the device, all channels ON; output FETs turned off at VS less than this threshold",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VS undervoltage protection recovery rising",
"symbol": "VS_UVPR",
"kind": "electrical",
"unit": "V",
"min": 9.5,
"typ": 10,
"max": 10.3,
"conditions": "Measured with respect to GND pin of the device, all channels ON; output FETs turned ON at VS more than this threshold",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VDD output voltage (internal regulator enabled)",
"symbol": "VVDD",
"kind": "electrical",
"unit": "V",
"min": 3.1,
"typ": 3.3,
"max": 3.6,
"conditions": "6 V ≤ VS ≤ 36 V, IVDD < 20 mA; includes load and line regulation across the range",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Current limit of internal regulator",
"symbol": "ICL_VDD",
"kind": "electrical",
"unit": "mA",
"min": 25,
"typ": null,
"max": 50,
"conditions": "6 V ≤ VS ≤ 36 V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "VDD quiescent current, SCLK ON, all diagnostics disabled, external VDD",
"symbol": "VDD IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
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