component
GX4054
Public Made by Adomby adom
GUOXIN JIAPIN SEMICONDUCTOR Battery Management, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "GX4054",
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"version": "0.1.0",
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"extractor-text"
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"component": {
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"manufacturer": "GUOXIN JIAPIN SEMICONDUCTOR",
"package": "SOT-23-5L",
"pin_count": 5,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
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"status": "no match"
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"mouser": {
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"status": "no match"
}
},
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{
"number": "1",
"name": "CHRG",
"type": "output",
"description": "Open-drain charge status output that is pulled low by an internal N-channel MOSFET during a charge cycle and goes high-impedance when the cycle ends, and it can sink up to 10 mA to drive an LED."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the charger."
},
{
"number": "3",
"name": "BAT",
"type": "power_out",
"description": "Charge current output to the battery that regulates the final float voltage to 4.2 V (±1%) through an internal precision resistor divider, which is disconnected in shutdown mode."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Positive input supply that must stay within 4.5 V to 7.0 V (absolute maximum -0.3 V to 8 V) and should be bypassed with at least a 1 µF capacitor."
},
{
"number": "5",
"name": "PROG",
"type": "passive",
"description": "Charge current program pin: an external resistor to ground sets the charge current via IBAT = (VPROG/RPROG) × 1150, with VPROG about 1.0 V in constant-current mode and a PROG pin current absolute maximum of 700 µA."
}
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
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"extractor flagged: The PROG pin number is blank in the page 6 text ('PROG（引脚 ）'). Pin 5 was taken from the page 10 appl; The VCC operating range is split across two electrical tables: one row gives 4.5 V typ 5 V with no m; The pin type for CHRG (open-drain output) and BAT (charge output, which is also the battery node) is"
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"at": "2026-10-20T17:43:05"
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"pages": 11,
"sha256": "53d0977a3df5e3da",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 5,
"described": 5,
"cites_pages": true,
"refuses_to_fabricate": true
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"viewers": {
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"footprint": "viewers/footprint.html"
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"file": "gx4054.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
"checked": "2026-10-20",
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},
"metadata": {
"specs": {
"Manufacturer": "GUOXIN JIAPIN SEMICONDUCTOR",
"Package": "SOT-23-5L",
"Category": "Power Management (PMIC)",
"Pins": "5"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Input supply voltage",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 4.5,
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"max": 7,
"conditions": "● full operating temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC undervoltage lockout threshold",
"symbol": "VUV",
"kind": "electrical",
"unit": "V",
"min": 3.5,
"typ": 3.7,
"max": 3.9,
"conditions": "VCC low to high ●",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PROG pin voltage",
"symbol": "VPROG",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": 1,
"max": 1.1,
"conditions": "current mode ●",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CHRG pin output low voltage",
"symbol": "VCHRG",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.3,
"max": 0.6,
"conditions": "ICHRG = 5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input supply current, charge mode",
"symbol": "ICC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 150,
"max": 500,
"conditions": "charge mode, RPROG=10K",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input supply current, standby mode (charge terminated)",
"symbol": "ICC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 55,
"max": 100,
"conditions": "standby mode (charge terminated) ●",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input supply current, shutdown mode",
"symbol": "ICC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 55,
"max": 100,
"conditions": "shutdown mode (RPROG not connected, VCC<VBAT, or VCC<VUV) ●",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Recharge battery threshold voltage",
"symbol": "ΔVRECHRG",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 150,
"max": null,
"conditions": "VFLOAT-VRECHRG",
"source_page": 3,
"source": "datasheet"
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{
"name": "Junction temperature in limited temperature mode",
"symbol": "TLIM",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 120,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power FET on-resistance",
"symbol": "RON",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 650,
"max": null,
"conditions": "between VCC and BAT",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Trickle charge current",
"symbol": "ITRIKL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 120,
"max": null,
"conditions": "VBAT<VTRIKL, RPROG=",
"source_page": 3,
"source": "datasheet"
},
{
"name": "BAT pin charge current, current mode",
"symbol": "IBAT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 115,
"max": null,
"conditions": "current mode, RPROG=10K",
"source_page": 3,
"source": "datasheet"
},
{
"name": "BAT pin charge current, current mode",
"symbol": "IBAT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 575,
"max": null,
"conditions": "current mode, RPROG=2K",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage absolute maximum (VCC)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 8,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "PROG pin voltage absolute maximum",
"symbol": "PROG",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "VCC+0.3V upper limit as printed",
"source_page": 1,
"source": "datasheet"
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{
"name": "BAT pin voltage absolute maximum",
"symbol": "BAT",
"kind": "absolute_maximum",
"unit": "V",
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"typ": null,
"max": 8,
"conditions": "",
"source_page": 1,
"source": "datasheet"
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{
"name": "BAT pin current absolute maximum",
"symbol": "BAT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 700,
"conditions": "",
"source_page": 1,
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{
"name": "PROG pin current absolute maximum",
"symbol": "PROG",
"kind": "absolute_maximum",
"unit": "μA",
"min": null,
"typ": null,
"max": 700,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating ambient temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 s soldering",
"source_page": 1,
"source": "datasheet"
}
]
}
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"email": "[email protected]"
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