component
TPS74301RGWR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, VQFN-20-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "TPS74301RGWR",
"brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, VQFN-20-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "Texas Instruments",
"package": "VQFN-20-EP(5x5)",
"pin_count": 21,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps74301",
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"digikey": "296-50556-2-ND",
"mouser": "595-TPS74301RGWR"
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{
"number": "1",
"name": "OUT",
"type": "power_out",
"description": "Regulated output voltage; the new-silicon device requires an output capacitor of 2.2 µF or greater for stability, and the adjustable output range is 0.8 V to 3.6 V."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "5",
"name": "IN",
"type": "power_in",
"description": "Unregulated input voltage; the recommended range is VOUT + VDO(VIN) to 5.5 V, and at least 1 µF of input capacitance is required."
},
{
"number": "6",
"name": "IN",
"type": "power_in",
"description": "Unregulated input voltage; the recommended range is VOUT + VDO(VIN) to 5.5 V, and at least 1 µF of input capacitance is required."
},
{
"number": "7",
"name": "IN",
"type": "power_in",
"description": "Unregulated input voltage; the recommended range is VOUT + VDO(VIN) to 5.5 V, and at least 1 µF of input capacitance is required."
},
{
"number": "8",
"name": "IN",
"type": "power_in",
"description": "Unregulated input voltage; the recommended range is VOUT + VDO(VIN) to 5.5 V, and at least 1 µF of input capacitance is required."
},
{
"number": "9",
"name": "PG",
"type": "output",
"description": "Open-drain, active-high power-good output that indicates VOUT status; it needs a 10 kΩ to 1 MΩ pull-up to a supply of up to 5.5 V, and it may be left floating if output monitoring is not needed."
},
{
"number": "10",
"name": "BIAS",
"type": "input",
"description": "Bias input voltage for the error amplifier, reference and internal control circuitry; the recommended range is VOUT + VDO(VBIAS) to 5.5 V, with a 0.1 µF to 1 µF bias capacitor (CBIAS)."
},
{
"number": "11",
"name": "EN",
"type": "input",
"description": "Enable pin, active high: driving it above 1.1 V enables the regulator, below 0.4 V puts it in shutdown, and it must not be left floating (maximum 5.5 V)."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "15",
"name": "TRACK",
"type": "input",
"description": "Tracking pin: connect to the center tap of a resistor divider from an external supply so that OUT tracks it; the FB pin is regulated to TRACK while TRACK is below 0.8 V."
},
{
"number": "16",
"name": "FB",
"type": "input",
"description": "Feedback connection to the center tap of the external resistor divider that sets the output voltage (0.8 V reference); it must not be left floating."
},
{
"number": "17",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; may be left floating or connected to GND for better thermal contact to the top plane."
},
{
"number": "18",
"name": "OUT",
"type": "power_out",
"description": "Regulated output voltage; the new-silicon device requires an output capacitor of 2.2 µF or greater for stability, and the adjustable output range is 0.8 V to 3.6 V."
},
{
"number": "19",
"name": "OUT",
"type": "power_out",
"description": "Regulated output voltage; the new-silicon device requires an output capacitor of 2.2 µF or greater for stability, and the adjustable output range is 0.8 V to 3.6 V."
},
{
"number": "20",
"name": "OUT",
"type": "power_out",
"description": "Regulated output voltage; the new-silicon device requires an output capacitor of 2.2 µF or greater for stability, and the adjustable output range is 0.8 V to 3.6 V."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed thermal pad (PAD/TAB) is listed in Table 4-1 as 'must be soldered to a ground plane' but; Pin types are mapped from the datasheet's I/O/G classes to KiCad ERC classes. IN and OUT were mapped; NC pins 2-4, 13, 14 and 17 are listed as unconnected; the datasheet allows them to float or tie to G",
"exposed pad 21 added from the footprint"
],
"pages_sent": 30,
"cost_usd": 0.142,
"at": "2026-10-08T18:45:57"
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"pages": 45,
"sha256": "de9667272db70c1d",
"source_tier": "lcsc"
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"total": 21,
"described": 21,
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-20-EP(5x5)",
"Category": "Power Management (PMIC)",
"Pins": "21"
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