component
AXP203
Public Made by Adomby adom
Allwinner Tech Battery Management, VQFN-48-EP(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": "axp203",
"title": "AXP203",
"brief": "Allwinner Tech Battery Management, VQFN-48-EP(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)",
"axp203",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AXP203",
"manufacturer": "Allwinner Tech",
"package": "VQFN-48-EP(6x6)",
"pin_count": 49,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609176206692392960",
"parts": {
"symbol": "axp203.kicad_sym",
"footprint": "axp203.kicad_mod",
"model_3d": "axp203-hero.glb",
"model_3d_plain": "axp203-etched.glb",
"model_3d_step": "axp203-etched.step",
"model_3d_step_plain": "axp203.step",
"lbr": "axp203.lbr"
},
"distributor_links": {
"lcsc": "C3036457"
},
"distributor_check": {
"checked_at": "2026-10-18T17:24:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "SDA",
"type": "bidirectional",
"description": "Data pin for the serial (TWSI) interface, normally connected through a 2.2K resistor to 3.3V I/O power."
},
{
"number": "2",
"name": "SCK",
"type": "input",
"description": "Clock pin for the serial (TWSI) interface, normally connected through a 2.2K resistor to 3.3V I/O power."
},
{
"number": "3",
"name": "GPIO3",
"type": "bidirectional",
"description": "General-purpose I/O 3, configured through register REG9EH[7] as printed in the pin table."
},
{
"number": "4",
"name": "N_OE",
"type": "input",
"description": "Power output on/off switch: connected to GND turns the outputs on, connected to IPSOUT turns them off."
},
{
"number": "5",
"name": "GPIO2",
"type": "bidirectional",
"description": "General-purpose I/O 2."
},
{
"number": "6",
"name": "N_VBUSEN",
"type": "input",
"description": "Selects VBUS-to-IPSOUT path: GND selects IPSOUT from VBUS, high level means VBUS is not selected."
},
{
"number": "7",
"name": "VIN2",
"type": "power_in",
"description": "Input source for DCDC2."
},
{
"number": "8",
"name": "LX2",
"type": "bidirectional",
"description": "Inductor pin for DCDC2."
},
{
"number": "9",
"name": "PGND2",
"type": "power_in",
"description": "NMOS ground for DCDC2."
},
{
"number": "10",
"name": "DCDC2",
"type": "input",
"description": "DC-DC2 feedback pin."
},
{
"number": "11",
"name": "LDO4",
"type": "output",
"description": "Output pin of LDO4."
},
{
"number": "12",
"name": "LDO2",
"type": "output",
"description": "Output pin of LDO2."
},
{
"number": "13",
"name": "LDO24IN",
"type": "power_in",
"description": "Input to LDO2 and LDO4."
},
{
"number": "14",
"name": "VIN3",
"type": "power_in",
"description": "Input source for DCDC3."
},
{
"number": "15",
"name": "LX3",
"type": "bidirectional",
"description": "Inductor pin for DCDC3."
},
{
"number": "16",
"name": "PGND3",
"type": "power_in",
"description": "NMOS ground for DCDC3."
},
{
"number": "17",
"name": "DCDC3",
"type": "input",
"description": "Feedback pin for DCDC3."
},
{
"number": "18",
"name": "GPIO1",
"type": "bidirectional",
"description": "General-purpose I/O 1, which can also be used as an ADC input."
},
{
"number": "19",
"name": "GPIO0",
"type": "bidirectional",
"description": "General-purpose I/O 0, which can also be used as a low-noise LDO/switch output or ADC input."
},
{
"number": "20",
"name": "EXTEN",
"type": "output",
"description": "External power enable output."
},
{
"number": "21",
"name": "APS",
"type": "power_in",
"description": "Internal power input."
},
{
"number": "22",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "23",
"name": "BIAS",
"type": "bidirectional",
"description": "Connects to an external 200 kOhm 1% resistor."
},
{
"number": "24",
"name": "VREF",
"type": "power_in",
"description": "Internal reference voltage output."
},
{
"number": "25",
"name": "PWROK",
"type": "output",
"description": "Power good indication output."
},
{
"number": "26",
"name": "VINT",
"type": "power_out",
"description": "Internal logic power, 2.5V."
},
{
"number": "27",
"name": "LDO1SET",
"type": "input",
"description": "Sets the default voltage of LDO1 (GND gives 1.3V, VINT gives 3.3V per the default-voltage table)."
},
{
"number": "28",
"name": "LDO1",
"type": "output",
"description": "LDO1 output, for the host RTC block."
},
{
"number": "29",
"name": "DC3SET",
"type": "input",
"description": "Sets the default voltage of DCDC3 (GND gives 1.8V, APS gives 3.3V/2.5V, floating gives 1.2V/1.5V per the default-voltage table)."
},
{
"number": "30",
"name": "BACKUP",
"type": "bidirectional",
"description": "Backup battery pin for the RTC backup battery."
},
{
"number": "31",
"name": "VBUS",
"type": "power_in",
"description": "USB VBUS input."
},
{
"number": "32",
"name": "ACIN",
"type": "power_in",
"description": "Adapter input (pin 32 of the ACIN pair)."
},
{
"number": "33",
"name": "ACIN",
"type": "power_in",
"description": "Adapter input (pin 33 of the ACIN pair)."
},
{
"number": "34",
"name": "IPSOUT",
"type": "bidirectional",
"description": "Main battery connection (pin 34 of the IPSOUT pair)."
},
{
"number": "35",
"name": "IPSOUT",
"type": "bidirectional",
"description": "Main battery connection (pin 35 of the IPSOUT pair)."
},
{
"number": "36",
"name": "CHGLED",
"type": "output",
"description": "Charger status indication output."
},
{
"number": "37",
"name": "TS",
"type": "input",
"description": "Battery temperature sensor input or an external ADC input."
},
{
"number": "38",
"name": "BAT",
"type": "power_out",
"description": "System power source (pin 38 of the BAT pair)."
},
{
"number": "39",
"name": "BAT",
"type": "power_out",
"description": "System power source (pin 39 of the BAT pair)."
},
{
"number": "40",
"name": "LDO3IN",
"type": "power_in",
"description": "Input source for LDO3."
},
{
"number": "41",
"name": "LDO3",
"type": "output",
"description": "Output pin of LDO3."
},
{
"number": "42",
"name": "BATSENSE",
"type": "input",
"description": "Current sense port 1."
},
{
"number": "43",
"name": "CHSENSE",
"type": "output",
"description": "Current sense port 2."
},
{
"number": "44",
"name": "VIN1",
"type": "power_in",
"description": "Input source for DCDC1."
},
{
"number": "45",
"name": "LX1",
"type": "bidirectional",
"description": "Inductor pin for DCDC1."
},
{
"number": "46",
"name": "PGND1",
"type": "power_in",
"description": "NMOS ground for DCDC1."
},
{
"number": "47",
"name": "PWRON",
"type": "input",
"description": "Power on/off key input, with an internal 100k pull-up to APS."
},
{
"number": "48",
"name": "IRQ/WAKEUP",
"type": "bidirectional",
"description": "IRQ output or wakeup input."
},
{
"number": "49",
"name": "EP",
"type": "power_in",
"description": "Exposed pad, which must be connected to system 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: Package naming: the datasheet calls the device a '6mm x 6mm 48-pin QFN package' with an exposed pad ; Pin 40 (LDO3IN) is typed 'O' in the pin table but described as an input source. I mapped it to power; Pin 41 (LDO3) is typed 'I' in the pin table but described as an output pin. I mapped it to output ba"
],
"pages_sent": 23,
"cost_usd": 0.1091,
"at": "2026-10-18T17:23:44"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609176206692392960",
"pages": 55,
"sha256": "68b3d0fd08268a5f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "axp203.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9c368a5ccc2fb3ef30de4045c851508aeed6fe62b03f33115769e916f1e1e4bd",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "axp203-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e2a84dfe81630330427f4dd9c2d59a45fa8e80631119265244369e09ea0fd1be",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Allwinner Tech",
"Package": "VQFN-48-EP(6x6)",
"Category": "Power Management (PMIC)",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "68b3d0fd08268a5fa21ef2d8657d9b984f2a1c0bebc094c258dec498de22cfd9",
"rows": [
{
"name": "ACIN Input Voltage",
"symbol": "ACIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 11,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "VBUS Input Voltage",
"symbol": "VBUS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 11,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 130,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Ts",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Maximum Soldering Temperature",
"symbol": "TLEAD",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 300,
"conditions": "at leads, 10sec",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Internal Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 2100,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "ACIN Input Voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 3.8,
"typ": null,
"max": 6.3,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "IPS Output Voltage (ACIN)",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 2.9,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "VBUS Input Voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 3.8,
"typ": null,
"max": 6.3,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "VOUT Current Available Before Loading BAT (VBUS)",
"symbol": "IOUT",
"kind": "electrical",
"unit": "mA",
"min": 500,
"typ": null,
"max": 900,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "IPS Output Voltage (VBUS)",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 2.9,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "BAT Charge Target Voltage tolerance",
"symbol": "VTRGT",
"kind": "tolerance",
"unit": "%",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Charge Current",
"symbol": "ICHRG",
"kind": "electrical",
"unit": "mA",
"min": 1200,
"typ": null,
"max": 1800,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Backup Battery Charge Target Voltage",
"symbol": "VTRGT",
"kind": "electrical",
"unit": "V",
"min": 2.5,
"typ": 3,
"max": 3.1,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Backup Battery Charge Current",
"symbol": "ICHRG",
"kind": "electrical",
"unit": "uA",
"min": 50,
"typ": 200,
"max": 400,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Backup Current when use Backup Battery",
"symbol": "IBackup",
"kind": "electrical",
"unit": "uA",
"min": 10,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Cold Temperature Fault Threshold Voltage",
"symbol": "VTL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": 2.112,
"max": 3.264,
"conditions": "Charge",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Hot Temperature Fault Threshold Voltage",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": 0.397,
"max": 3.264,
"conditions": "Charge",
"source_page": 14,
"source": "datasheet"
},
{
"name": "End of Charge Indication Current Ratio",
"symbol": "IEND",
"kind": "electrical",
"unit": "%",
"min": 10,
"typ": null,
"max": 15,
"conditions": "CV Mode",
"source_page": 13,
"source": "datasheet"
},
{
"name": "DCDC2 Output Voltage Range",
"symbol": "VDC2OUT",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": 2.275,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "DCDC3 Output Voltage Range",
"symbol": "VDC3OUT",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "LDO1 Output Voltage tolerance",
"symbol": "VLDO1",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "ILDO1=1mA",
"source_page": 14,
"source": "datasheet"
},
{
"name": "LDO2 Output Voltage",
"symbol": "VLDO2",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 3.3,
"conditions": "ILDO2=1mA",
"source_page": 14,
"source": "datasheet"
},
{
"name": "LDO3 Output Voltage",
"symbol": "VLDO3",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": 3.5,
"conditions": "ILDO3=1mA",
"source_page": 15,
"source": "datasheet"
},
{
"name": "LDO4 Output Voltage (printed as VLDO3 in LDO4 block)",
"symbol": "VLDO3",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 3.3,
"conditions": "ILDO3=1mA",
"source_page": 15,
"source": "datasheet"
},
{
"name": "LDO5 Output Voltage",
"symbol": "VLDO5",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 3.3,
"conditions": "I LDO5=1mA",
"source_page": 15,
"source": "datasheet"
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