component
TPS65270RGER
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tps65270rger: specified limits as data (metadata.characteristics, 49 rows from the datasheet)
4e46ab1
25d ago
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"slug": "tps65270rger",
"title": "TPS65270RGER",
"brief": "Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "Texas Instruments",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps65270",
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"lcsc": "C882386",
"digikey": "296-30079-2-ND",
"mouser": "595-TPS65270RGER"
},
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"checked_at": "2026-10-08T03:23:12Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found",
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"pins": [
{
"number": "1",
"name": "SS2",
"type": "passive",
"description": "Soft-start input for Buck 2; an internal 5-µA charging current sources into this pin, and a small ceramic capacitor on it sets the Buck 2 soft-start time."
},
{
"number": "2",
"name": "FB2",
"type": "input",
"description": "Feedback voltage input for Buck 2; a resistor divider sets 0.8 V at FB2 from the converter output to ground, and the absolute maximum voltage on this pin is -0.3 to 3.6 V."
},
{
"number": "3",
"name": "EN2",
"type": "input",
"description": "Enable for Buck 2: logic high enables Buck 2 and logic low disables it, with a weak internal pull-up to V5V if left open for automatic enable and a small ceramic capacitor to ground for delayed start-up; absolute maximum voltage is -0.3 to 7 V."
},
{
"number": "4",
"name": "BST2",
"type": "passive",
"description": "Bootstrap supply for the Buck 2 high-side gate driver, connected through a 47-nF ceramic capacitor to the LX2 switching node; BST2 is rated -0.3 to 7 V referenced to LX2."
},
{
"number": "5",
"name": "VIN2",
"type": "power_in",
"description": "Input supply for Buck 2 with a 10-µF ceramic capacitor placed close to this pin; operating input voltage range is 4.5 V to 18 V."
},
{
"number": "6",
"name": "LX2",
"type": "output",
"description": "Switching node connecting to the Buck 2 inductor; withstands -1 to 18 V transients below 10 ns."
},
{
"number": "7",
"name": "LX2",
"type": "output",
"description": "Switching node connecting to the Buck 2 inductor (second LX2 pin, bonded in parallel with pin 6)."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Power ground for Buck 1 and Buck 2; absolute maximum voltage range is -0.3 to 0.3 V."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Power ground for Buck 1 and Buck 2; absolute maximum voltage range is -0.3 to 0.3 V."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Power ground for Buck 1 and Buck 2; absolute maximum voltage range is -0.3 to 0.3 V."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Power ground for Buck 1 and Buck 2; absolute maximum voltage range is -0.3 to 0.3 V."
},
{
"number": "12",
"name": "LX1",
"type": "output",
"description": "Switching node connecting to the Buck 1 inductor; withstands -1 to 18 V transients below 10 ns."
},
{
"number": "13",
"name": "LX1",
"type": "output",
"description": "Switching node connecting to the Buck 1 inductor (second LX1 pin, bonded in parallel with pin 12)."
},
{
"number": "14",
"name": "VIN1",
"type": "power_in",
"description": "Input supply for Buck 1 with a 10-µF ceramic capacitor placed close to this pin; operating input voltage range is 4.5 V to 18 V."
},
{
"number": "15",
"name": "BST1",
"type": "passive",
"description": "Bootstrap supply for the Buck 1 high-side gate driver, connected through a 47-nF ceramic capacitor to the LX1 switching node; BST1 is rated -0.3 to 7 V referenced to LX1."
},
{
"number": "16",
"name": "EN1",
"type": "input",
"description": "Enable for Buck 1: logic high enables Buck 1 and logic low disables it, with a weak internal pull-up to V5V if left open for automatic enable and a small ceramic capacitor to ground for delayed start-up; absolute maximum voltage is -0.3 to 7 V."
},
{
"number": "17",
"name": "FB1",
"type": "input",
"description": "Feedback voltage input for Buck 1; a resistor divider sets 0.8 V at FB1 from the converter output to ground, and the absolute maximum voltage on this pin is -0.3 to 3.6 V."
},
{
"number": "18",
"name": "SS1",
"type": "passive",
"description": "Soft-start input for Buck 1; an internal 5-µA charging current sources into this pin, and a small ceramic capacitor on it sets the Buck 1 soft-start time."
},
{
"number": "19",
"name": "COMP1",
"type": "passive",
"description": "Loop compensation pin for Buck 1; a series RC network connected here compensates the control loop of this converter."
},
{
"number": "20",
"name": "LOW_P",
"type": "input",
"description": "Low-power mode select: high enables pulse-skipping at light load for Buck 1 and Buck 2, low forces both to PWM mode; the pin must not be left open and is rated -0.3 to 7 V."
},
{
"number": "21",
"name": "VCC",
"type": "power_out",
"description": "Internal 6.5-V power supply bias; connect a 10-µF ceramic capacitor from this pin to ground."
},
{
"number": "22",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; connect all GND pins and the power pad together, and tie AGND directly to the power pad under the IC."
},
{
"number": "23",
"name": "ROSC",
"type": "passive",
"description": "Oscillator frequency setup; a resistor from this pin to ground sets the internal oscillator clock frequency between 300 kHz and 1.4 MHz, with a rated voltage range of -0.3 to 3.6 V."
},
{
"number": "24",
"name": "COMP2",
"type": "passive",
"description": "Loop compensation pin for Buck 2; a series RC network connected here compensates the control loop of this converter."
},
{
"number": "25",
"name": "Thermal Pad",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"guards": "pin_guards 0.1: passed",
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"exposed pad 25 added from the footprint"
],
"pages_sent": 9,
"cost_usd": 0.0725,
"at": "2026-10-08T03:22:54"
},
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24-EP(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "25"
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"characteristics": {
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"rows": [
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{
"name": "Regulated feedback voltage VFB tolerance, TJ = 25°C",
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"unit": "%",
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"name": "Regulated feedback voltage VFB tolerance, TJ = -40°C to 125°C",
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"name": "Switching frequency range",
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"name": "Programmable switching frequency",
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"name": "Programmable switching frequency",
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"conditions": "ROSC = 500 kΩ",
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{
"name": "Minimum on time",
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"name": "Voltage range at VIN1, VIN2, LX1, LX2",
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{
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{
"name": "Voltage at BST1, BST2 referenced to LX1, LX2",
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{
"name": "Voltage at VCC, EN1, EN2, COMP1, COMP2, LOW_P",
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{
"name": "Voltage at SS1, SS2, FB1, FB2, ROSC",
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{
"name": "Voltage at AGND, GND",
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{
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{
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{
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{
"name": "Electrostatic discharge, human body model (HBM)",
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{
"name": "Electrostatic discharge, charge device model (CDM)",
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"name": "Input voltage hysteresis UVLO",
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"name": "Shutdown supply current IDDSDN",
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{
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"conditions": "VIN = 5 V, VCC load current = 20 mA",
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"name": "VCC current limit",
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"conditions": "4.5 V < VIN < 18 V",
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"source": "datasheet"
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{
"name": "Regulated feedback voltage VFB",
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"conditions": "VIN = 12 V, VCOMP = 1.2 V, TJ = 25°C",
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"source": "datasheet"
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{
"name": "Line regulation DC",
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"conditions": "VIN = 4.5 V to 18 V, IOUT = 1 A",
"source_page": 7,
"source": "datasheet"
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{
"name": "Load regulation DC",
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"kind": "electrical",
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"conditions": "IOUT = 10% - 90% IOUT,MAX",
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{
"name": "Error amplifier transconductance",
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"min": null,
"typ": 130,
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"conditions": "-2 µA < ICOMP < 2 µA",
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"source": "datasheet"
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{
"name": "COMP voltage to inductor current transconductance",
"symbol": "Gm_SRC",
"kind": "electrical",
"unit": "A/V",
"min": null,
"typ": 10,
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"conditions": "ILX = 0.5 A",
"source_page": 7,
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{
"name": "EN1 and EN2 pin threshold rising",
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{
"name": "EN1 and EN2 pin threshold falling",
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{
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