component
O919A14ETRGZRQ1
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "o919a14etrgzrq1",
"title": "O919A14ETRGZRQ1",
"brief": "Texas Instruments Power Management - Specialized, VQFN-48-EP(7x7). 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)",
"o919a14etrgzrq1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "O919A14ETRGZRQ1",
"manufacturer": "Texas Instruments",
"package": "VQFN-48-EP(7x7)",
"pin_count": 49,
"category": "Power Management (PMIC)",
"subcategory": "Power Management - Specialized",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps65919-q1",
"parts": {
"symbol": "o919a14etrgzrq1.kicad_sym",
"footprint": "o919a14etrgzrq1.kicad_mod",
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"lbr": "o919a14etrgzrq1.lbr"
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"distributor_links": {
"lcsc": "C2156173",
"digikey": "296-51481-2-ND",
"mouser": "595-O919A14ETRGZRQ1"
},
"distributor_check": {
"checked_at": "2026-10-08T22:47:09Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-51481-2-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-O919A14ETRGZRQ1",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GPIO_4",
"type": "bidirectional",
"description": "General-purpose I/O in the VIO domain with secondary functions REGEN2 output and I2C2_SCL_SCE (DVS I2C clock / SPI chip enable); software-programmable pullup/pulldown, float if unused."
},
{
"number": "2",
"name": "GPIO_2",
"type": "bidirectional",
"description": "General-purpose I/O in the VIO domain with secondary functions ENABLE1 input and I2C2_SDA_SDO (DVS I2C data / SPI output data); software-programmable pullup/pulldown, float if unused."
},
{
"number": "3",
"name": "LDO5_IN",
"type": "power_in",
"description": "Power input voltage for the LDO5 regulator, connect to system supply."
},
{
"number": "4",
"name": "LDO5_OUT",
"type": "power_out",
"description": "LDO5 output voltage, left floating if unused."
},
{
"number": "5",
"name": "LDO_IN",
"type": "power_in",
"description": "Power input voltage for LDO regulator, connect to system supply."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No connection, leave floating."
},
{
"number": "7",
"name": "LDO4_OUT",
"type": "power_out",
"description": "LDO4 output voltage, left floating if unused."
},
{
"number": "8",
"name": "LDO4_IN",
"type": "power_in",
"description": "Power input voltage for the LDO4 regulator, connect to system supply."
},
{
"number": "9",
"name": "SMPS3_FDBK",
"type": "input",
"description": "Output voltage-sense (feedback) input for SMPS3, connect to ground if unused."
},
{
"number": "10",
"name": "SMPS3_IN",
"type": "power_in",
"description": "Power input for SMPS3, connect to system supply."
},
{
"number": "11",
"name": "SMPS3_SW",
"type": "power_out",
"description": "Switch node of SMPS3; connect output inductor, float if unused."
},
{
"number": "12",
"name": "GPIO_0",
"type": "bidirectional",
"description": "General-purpose I/O at VRTC level (5.25-V fail-safe tolerant) with secondary functions ENABLE2, PWRDOWN input and REGEN1 output; ground or VRTC if unused."
},
{
"number": "13",
"name": "GPIO_1",
"type": "bidirectional",
"description": "General-purpose I/O at VRTC level (5.25-V fail-safe tolerant) with secondary functions RESET_IN, VBUS_SENSE and NRESWARM inputs; float if unused."
},
{
"number": "14",
"name": "GPIO_3",
"type": "bidirectional",
"description": "General-purpose I/O at VRTC level (5.25-V fail-safe tolerant) with secondary functions REGEN1 output, ENABLE2 input and SYNCDCDC external SMPS clock sync input; float if unused."
},
{
"number": "15",
"name": "GPIO_5",
"type": "bidirectional",
"description": "General-purpose I/O at VRTC level (5.25-V fail-safe tolerant) with secondary functions POWERHOLD input and REGEN3 output; ground if unused."
},
{
"number": "16",
"name": "BOOT",
"type": "input",
"description": "Tri-level boot input for power-up sequence selection, connect to ground or VRTC."
},
{
"number": "17",
"name": "SMPS4_FDBK",
"type": "input",
"description": "Output voltage-sense (feedback) input for SMPS4, connect to ground if unused."
},
{
"number": "18",
"name": "SMPS4_IN",
"type": "power_in",
"description": "Power input for SMPS4, connect to system supply."
},
{
"number": "19",
"name": "SMPS4_SW",
"type": "power_out",
"description": "Switch node of SMPS4; connect output inductor, float if unused."
},
{
"number": "20",
"name": "VPROG",
"type": "bidirectional",
"description": "OTP programming voltage input (absolute max 7 V) with secondary function TESTV output; ground or float if unused."
},
{
"number": "21",
"name": "LDO2_OUT",
"type": "power_out",
"description": "LDO2 output voltage, left floating if unused."
},
{
"number": "22",
"name": "LDO12_IN",
"type": "power_in",
"description": "Power input voltage for LDO1 and LDO2 regulators, connect to system supply."
},
{
"number": "23",
"name": "LDO1_OUT",
"type": "power_out",
"description": "LDO1 output voltage, left floating if unused."
},
{
"number": "24",
"name": "PWRON",
"type": "input",
"description": "External power-on event (on-button switch-on) input with fixed pullup, active low at VSYS (VCCA) level."
},
{
"number": "25",
"name": "RESET_OUT",
"type": "output",
"description": "System reset or power-on output at VIO level (low = reset, high = active or sleep), push-pull or open-drain."
},
{
"number": "26",
"name": "INT",
"type": "output",
"description": "Maskable interrupt output request to the host processor at VIO level, active low by default."
},
{
"number": "27",
"name": "GPIO_6",
"type": "bidirectional",
"description": "General-purpose I/O at VRTC level with secondary functions NSLEEP input, POWERGOOD output and REGEN3 output; ground if unused."
},
{
"number": "28",
"name": "SMPS2_FDBK",
"type": "input",
"description": "Output voltage-sense input for SMPS2 or differential negative sense input for SMPS12 in dual-phase configuration, connect to ground if unused."
},
{
"number": "29",
"name": "SMPS2_IN",
"type": "power_in",
"description": "Power input for SMPS2, connect to system supply."
},
{
"number": "30",
"name": "SMPS2_SW",
"type": "power_out",
"description": "Switch node of SMPS2; connect output inductor, float if unused."
},
{
"number": "31",
"name": "SMPS1_SW",
"type": "power_out",
"description": "Switch node of SMPS1; connect output inductor, float if unused."
},
{
"number": "32",
"name": "SMPS1_IN",
"type": "power_in",
"description": "Power input for SMPS1, connect to system supply."
},
{
"number": "33",
"name": "SMPS1_FDBK",
"type": "input",
"description": "Output voltage-sense input for SMPS1 or differential positive sense input for SMPS12 in dual-phase configuration, connect to ground if unused."
},
{
"number": "34",
"name": "VIO_IN",
"type": "power_in",
"description": "Digital supply input for GPIOs and I/O supply voltage (1.8 V: 1.71 to 1.89 V; 3.3 V: 3.135 to 3.465 V)."
},
{
"number": "35",
"name": "I2C1_SCL_SCK",
"type": "input",
"description": "Control I2C serial clock (external pullup) and SPI clock signal at VIO level."
},
{
"number": "36",
"name": "I2C1_SDA_SDI",
"type": "bidirectional",
"description": "Control I2C serial bidirectional data (external pullup) and SPI input data signal at VIO level."
},
{
"number": "37",
"name": "VCC_SENSE",
"type": "input",
"description": "System supply sense line, 3.135 V to VCCA recommended (VCCA - 1 V when HIGH_VCC_SENSE = 1)."
},
{
"number": "38",
"name": "ADCIN1",
"type": "input",
"description": "GPADC input 1 (absolute max 2.4 V), connect to ground if unused."
},
{
"number": "39",
"name": "ADCIN2",
"type": "input",
"description": "GPADC input 2 (absolute max 2.4 V), connect to ground if unused."
},
{
"number": "40",
"name": "VBG",
"type": "output",
"description": "Bandgap reference voltage output."
},
{
"number": "41",
"name": "REFGND",
"type": "power_in",
"description": "System reference ground, connect to ground."
},
{
"number": "42",
"name": "VCCA",
"type": "power_in",
"description": "Analog input voltage for internal LDOs, system supply 3.135 V to 5.25 V (3.8 V nominal)."
},
{
"number": "43",
"name": "LDOVANA_OUT",
"type": "power_out",
"description": "Internal LDOVANA output voltage."
},
{
"number": "44",
"name": "LDOVRTC_OUT",
"type": "power_out",
"description": "Internal LDOVRTC output voltage; a pulldown resistor (minimum 3.9 kΩ) is recommended to support rapid power off and on."
},
{
"number": "45",
"name": "NC",
"type": "unconnected",
"description": "No connection, leave floating."
},
{
"number": "46",
"name": "SMPS_IN",
"type": "power_in",
"description": "Power input for SMPS, connect to system supply."
},
{
"number": "47",
"name": "NC",
"type": "unconnected",
"description": "No connection, leave floating."
},
{
"number": "48",
"name": "SYNCCLKOUT",
"type": "output",
"description": "Primary function 2.2-MHz fallback SMPS switching frequency; secondary function 32-kHz digital-gated output clock when VIO_IN is present."
},
{
"number": "49",
"name": "PGND",
"type": "power_in",
"description": "Thermal pad (PGND), connect to ground."
}
],
"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 exposed thermal pad is labeled 'Thermal Pad (PGND)' in the package figure but is not assigned a ; The page-6 pin figure text is scrambled, so pin-to-name mapping was taken from the Pin Attributes ta; The datasheet does not state which specific LDO LDO_IN (pin 5) feeds. It is listed only as 'Power in",
"exposed pad 49 added from the footprint"
],
"pages_sent": 34,
"cost_usd": 0.2142,
"at": "2026-10-08T22:46:51"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps65919-q1",
"pages": 91,
"sha256": "620c3bdc2d08acc8",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
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"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": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "o919a14etrgzrq1-etched.step",
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "b840a80e830a5a99b1af56c4bef0346b9c7a6c4f2f1fcadc339f962a228dcbd8",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-48-EP(7x7)",
"Category": "Power Management (PMIC)",
"Pins": "49"
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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"discovery_pitch": "O919A14ETRGZRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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