component
MAX17320G20+
Public Made by Adomby adom
Analog Devices Inc./Maxim Integrated Battery Management ICs, TQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"title": "MAX17320G20+",
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"manufacturer": "Analog Devices Inc./Maxim Integrated",
"package": "TQFN-24(4x4)",
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"category": "Power Management ICs",
"subcategory": "Battery Management ICs",
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"mouser": "700-MAX17320G20+"
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{
"number": "1",
"name": "IN",
"type": "power_in",
"description": "Power supply input; connect to the positive terminal of the cell stack through a 10Ω resistor and bypass to GND with a 0.1µF/25V ceramic capacitor."
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{
"number": "2",
"name": "CP",
"type": "power_out",
"description": "Charge pump output and bypass; bypass CP to IN with a 0.47µF/25V ceramic capacitor."
},
{
"number": "3",
"name": "CHG",
"type": "output",
"description": "Charge FET gate control; drives the high-side CHG N-FET gate between CP and IN to enable or disable it, with a 0.1µF capacitor from the charge FET gate to source."
},
{
"number": "4",
"name": "DIS",
"type": "output",
"description": "Discharge FET gate control; drives the high-side DIS N-FET gate between CP and PCKP to enable or disable it."
},
{
"number": "5",
"name": "ZVC",
"type": "passive",
"description": "Zero-volt charge path; recovery charge current is set by a resistor from the pack positive terminal to ZVC, and ZVC is left open if not used."
},
{
"number": "6",
"name": "PCKP",
"type": "passive",
"description": "Connect to the positive terminal of the pack connector through a 1kΩ resistor."
},
{
"number": "7",
"name": "ALRT",
"type": "output",
"description": "Programmable alert output."
},
{
"number": "8",
"name": "SCL/OD",
"type": "input",
"description": "Serial clock input for I2C communication or speed selection for 1-Wire communication; input only, with an internal pulldown (IPD) for sensing pack disconnection."
},
{
"number": "9",
"name": "SDA/DQ",
"type": "bidirectional",
"description": "Serial data input/output for both 1-Wire and I2C modes; open-drain output driver with an internal pulldown (IPD) for sensing pack disconnection."
},
{
"number": "10",
"name": "TH1",
"type": "passive",
"description": "Thermistor input 1; connect a 10k/100k thermistor from TH1 to GND, or leave disconnected or connect to GND if not used."
},
{
"number": "11",
"name": "PFAIL",
"type": "output",
"description": "Permanent failure indicator; connects to a three-terminal fuse to act on primary FET failure, and connects to GND through a 1kΩ resistor if not used."
},
{
"number": "12",
"name": "AOLDO",
"type": "power_out",
"description": "Always-on LDO, configurable as 3.4V or 1.8V; bypass to GND with a 0.47µF/10V ceramic capacitor, or leave disconnected or connect to GND through a 10kΩ resistor if not used."
},
{
"number": "13",
"name": "REG3",
"type": "power_out",
"description": "Internal 3.4V regulator output; bypass to GND with a 0.47µF/10V ceramic capacitor."
},
{
"number": "14",
"name": "CSN",
"type": "passive",
"description": "System ground and current measurement negative sense point; Kelvin connect to the load side of the sense resistor."
},
{
"number": "15",
"name": "CSP",
"type": "passive",
"description": "Device ground and current measurement positive sense point; Kelvin connect to the cell side of the sense resistor."
},
{
"number": "16",
"name": "TH2",
"type": "passive",
"description": "Thermistor input 2; connect a 10k/100k thermistor from TH2 to GND, or leave disconnected or connect to GND if not used."
},
{
"number": "17",
"name": "REG2",
"type": "power_out",
"description": "Internal 1.8V regulator output; bypass to GND with a 0.47µF/10V ceramic capacitor."
},
{
"number": "18",
"name": "TH3",
"type": "passive",
"description": "Thermistor input 3; connect a 10k/100k thermistor from TH3 to GND, or leave disconnected or connect to GND if not used."
},
{
"number": "19",
"name": "TH4",
"type": "passive",
"description": "Thermistor input 4; connect a 10k/100k thermistor from TH4 to GND, or leave disconnected or connect to GND if not used."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Ground pin; connect to ground and do not share the ground trace with the CSP Kelvin-sense trace."
},
{
"number": "21",
"name": "CELL1",
"type": "passive",
"description": "Cell voltage sense 1, used for cell balancing and voltage sensing."
},
{
"number": "22",
"name": "CELL2",
"type": "passive",
"description": "Cell voltage sense 2, used for cell balancing and voltage sensing."
},
{
"number": "23",
"name": "CELL3",
"type": "passive",
"description": "Cell voltage sense 3, used for cell balancing and voltage sensing."
},
{
"number": "24",
"name": "BATTS",
"type": "passive",
"description": "Battery voltage sense of the top cell in the series stack, used for cell balancing and voltage sensing."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"cost_usd": 0.0322,
"at": "2026-10-28T16:37:22"
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"pages": 180,
"sha256": "6477d1dea9891217",
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"Package": "TQFN-24(4x4)",
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"Pins": "25"
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