component
GM1203BACPZ-3-R7
Public Made by Adomby adom
GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "gm1203bacpz-3-r7",
"version": "0.1.0",
"type": "component",
"description": "GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"power management (pmic)",
"gm1203bacpz-3-r7",
"factory-2.0.0",
"extractor-text"
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"dependencies": {},
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"files": [
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"component": {
"mpn": "GM1203BACPZ-3-R7",
"manufacturer": "GONGMOSEMI",
"package": "QFN-20(3.5x3.5)",
"pin_count": 21,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773173072184922112",
"parts": {
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"model_3d_step_plain": "gm1203bacpz-3-r7.step",
"lbr": "gm1203bacpz-3-r7.lbr"
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"distributor_links": {
"lcsc": "C20421905"
},
"distributor_check": {
"checked_at": "2026-10-19T03:22:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"mouser": {
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"status": "no match"
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},
"pins": [
{
"number": "1",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a ceramic capacitor of at least 47 µF is required from this pin to GND, placed as close to the pin as possible."
},
{
"number": "2",
"name": "SNS",
"type": "input",
"description": "Output sense pin, connected internally to the output through an R0 resistor; connect it to the load side of the output only when the VOUT programming pins are used, otherwise leave it floating."
},
{
"number": "3",
"name": "FB",
"type": "input",
"description": "Feedback pin to the error amplifier; a 10 nF feed-forward capacitor from FB to OUT, placed close to the device, is recommended, and FB to GND is rated −0.3 V to +3.6 V."
},
{
"number": "4",
"name": "PG",
"type": "output",
"description": "Open-drain power-good output (active high) that indicates when the output reaches the PG rising threshold; use an external pull-up of 10 kΩ to 100 kΩ, and PG to GND is rated −0.3 V to +7 V with a PG current limit of −5 mA."
},
{
"number": "5",
"name": "50mV",
"type": "input",
"description": "Output-voltage programming pin for the 50 mV step; connect to GND or SNS or leave floating, where grounding it adds 50 mV to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "6",
"name": "100mV",
"type": "input",
"description": "Output-voltage programming pin for the 100 mV step; connect to GND or SNS or leave floating, where grounding it adds 100 mV to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "7",
"name": "200mV",
"type": "input",
"description": "Output-voltage programming pin for the 200 mV step; connect to GND or SNS or leave floating, where grounding it adds 200 mV to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be connected to the other GND pins and the exposed pad through a low-impedance path."
},
{
"number": "9",
"name": "400mV",
"type": "input",
"description": "Output-voltage programming pin for the 400 mV step; connect to GND or SNS or leave floating, where grounding it adds 400 mV to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "10",
"name": "800mV",
"type": "input",
"description": "Output-voltage programming pin for the 800 mV step; connect to GND or SNS or leave floating, where grounding it adds 800 mV to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "11",
"name": "1.6V",
"type": "input",
"description": "Output-voltage programming pin for the 1.6 V step; connect to GND or SNS or leave floating, where grounding it adds 1.6 V to the output voltage, and it is rated −0.3 V to VOUT+0.3 V."
},
{
"number": "12",
"name": "BIAS",
"type": "power_in",
"description": "Bias supply pin that improves DC and AC performance and reduces power dissipation at VIN ≤ 2.2 V; it requires a 10 µF or larger capacitor to GND, and it must be left floating or grounded if unused."
},
{
"number": "13",
"name": "NR/SS",
"type": "passive",
"description": "Noise-reduction and soft-start pin with an external capacitor to GND; a 10 nF or larger capacitor is recommended, and the pin is rated −0.3 V to +3.6 V."
},
{
"number": "14",
"name": "EN",
"type": "input",
"description": "Enable pin: drive above 1.1 V to enable the device and below 0.4 V to disable it, and connect it to IN or BIAS if enable control is not used."
},
{
"number": "15",
"name": "IN",
"type": "power_in",
"description": "Input pin that requires a ceramic capacitor of 10 µF or larger to GND placed close to the input, with an input voltage range of 1.1 V to 6.5 V."
},
{
"number": "16",
"name": "IN",
"type": "power_in",
"description": "Input pin that requires a ceramic capacitor of 10 µF or larger to GND placed close to the input, with an input voltage range of 1.1 V to 6.5 V."
},
{
"number": "17",
"name": "IN",
"type": "power_in",
"description": "Input pin that requires a ceramic capacitor of 10 µF or larger to GND placed close to the input, with an input voltage range of 1.1 V to 6.5 V."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be connected to the other GND pins and the exposed pad through a low-impedance path."
},
{
"number": "19",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a ceramic capacitor of at least 47 µF is required from OUT to GND, placed as close to the pin as possible."
},
{
"number": "20",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a ceramic capacitor of at least 47 µF is required from OUT to GND, placed as close to the pin as possible."
},
{
"number": "21",
"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 ordering guide lists GM1203BACPZ-3-R7 as QFN-20, 3.5mm x 3.5mm, CP-20-1, so the 3.5 mm pinout fr; The exposed pad is printed without a pin number in the datasheet. It is listed as 'EPAD' and should ; The datasheet gives no pin type. These types are inferred from the function text: SNS and the progra",
"exposed pad 21 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 25,
"cost_usd": 0.106,
"at": "2026-10-19T03:22:15"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773173072184922112",
"pages": 25,
"sha256": "f744d3090b584d94",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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}