component
RT9505GQW
Public Made by Adomby adom
Richtek Tech Battery Management, WDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "RT9505GQW",
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"package": "WDFN-10-EP(3x3)",
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"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
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"source": "Component Ocean /api/assign-pns",
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"name": "ACIN",
"type": "power_in",
"description": "Wall adaptor charge input supply; the ACIN input is rated -0.3V to 18V absolute maximum and recommended at 4.5V to 6V."
},
{
"number": "2",
"name": "NC",
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},
{
"number": "3",
"name": "CHG_S",
"type": "output",
"description": "Open-drain charge status indicator output that is ON (pulled low) during ACIN charge and OFF when charge is done."
},
{
"number": "4",
"name": "PGOOD",
"type": "output",
"description": "Open-drain power good indicator output that the status table shows as ON during both ACIN charge and charge done."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "6",
"name": "ISETA",
"type": "input",
"description": "Wall adaptor charge current set point; a resistor from ISETA to GND (KSET = 300, VSET = 2.5V) sets the ACIN fast-charge current from 100mA to 1.2A."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "8",
"name": "EN",
"type": "input",
"description": "Active-low charge enable input with logic-high threshold of at least 1.5V, logic-low maximum of 0.4V, and absolute maximum of 6V."
},
{
"number": "9",
"name": "TS",
"type": "input",
"description": "Battery temperature sense input; charging is turned off when VTS is at or above 2.5V or at or below 0.5V, with a 96uA to 108uA source current."
},
{
"number": "10",
"name": "BATT",
"type": "power_out",
"description": "Battery charge current output that regulates the battery voltage at VREG of 4.158V to 4.242V (4.2V nominal) at 60mA test current."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Exposed pad must be soldered to the PCB and connected to GND for heat sinking and ground."
}
],
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"at": "2026-10-18T01:17:30"
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"name": "ACIN UVP Rising Threshold Voltage",
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{
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{
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"min": -1,
"typ": null,
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"conditions": "",
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{
"name": "ACIN MOSFET RDS(ON)",
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"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 600,
"max": null,
"conditions": "IBATT = 500mA",
"source_page": 5,
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{
"name": "ISETA Set Voltage (Fast Charge Phase)",
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"kind": "electrical",
"unit": "V",
"min": 2.45,
"typ": 2.5,
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{
"name": "Full Charge Setting Range",
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"unit": "mA",
"min": 100,
"typ": null,
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{
"name": "BATT Pre-Charge Rising Threshold",
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"unit": "V",
"min": 2.6,
"typ": 2.8,
"max": 3,
"conditions": "",
"source_page": 6,
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"name": "BATT Pre-Charge Threshold Hysteresis",
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"min": 50,
"typ": 100,
"max": 200,
"conditions": "",
"source_page": 6,
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{
"name": "Pre-Charge Current",
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"kind": "electrical",
"unit": "%",
"min": 8,
"typ": 10,
"max": 12,
"conditions": "VBATT = 2V",
"source_page": 6,
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{
"name": "BATT Re-Charge Falling Threshold Hysteresis",
"symbol": "ΔVRECH_L",
"kind": "electrical",
"unit": "mV",
"min": 60,
"typ": 100,
"max": 150,
"conditions": "VREG − VBATT",
"source_page": 6,
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{
"name": "ISETA Charge Termination Set Voltage",
"symbol": "VTERM",
"kind": "electrical",
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"min": 225,
"typ": 250,
"max": 275,
"conditions": "VBATT = 4.2V",
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{
"name": "Logic-High Voltage (EN Threshold)",
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"unit": "V",
"min": 1.5,
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{
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{
"name": "TS Pin Source Current",
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"min": 96,
"typ": 102,
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"conditions": "VTS = 1.5V",
"source_page": 6,
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{
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"min": 0.485,
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{
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{
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{
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"name": "EN Input Voltage",
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"name": "Output Current",
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"min": null,
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"conditions": "",
"source_page": 5,
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{
"name": "Power Dissipation (WDFN-10L 3x3)",
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"unit": "W",
"min": null,
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"conditions": "TA = 25°C",
"source_page": 5,
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{
"name": "Lead Temperature (Soldering, 10 sec.)",
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