component
ADUM4221-1ARIZ
Public Made by Adomby adom
Analog Devices Gate Drive ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "ADUM4221-1ARIZ",
"manufacturer": "Analog Devices",
"package": "SOIC-16",
"pin_count": 16,
"category": "Power Supply Chip",
"subcategory": "Gate Drive ICs",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/adum4221_4221-1_4221-2.pdf",
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"distributor_links": {
"lcsc": "C3655629",
"digikey": "505-ADUM4221-1ARIZ-ND",
"mouser": "584-ADUM4221-1ARIZ"
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"pins": [
{
"number": "1",
"name": "PWM",
"type": "input",
"description": "PWM logic input for the ADuM4221-1 that sets the half-bridge output state, with the logic input rated up to 6.5 V when VDD1 is unpowered."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connect pin; do not connect to this pin."
},
{
"number": "3",
"name": "VDD1",
"type": "power_in",
"description": "Input supply voltage, specified at 2.5 V to 6.5 V referenced to GND1; pins 3 and 8 are internally connected and connecting both is recommended."
},
{
"number": "4",
"name": "GND1",
"type": "power_in",
"description": "Ground reference for the input logic signals."
},
{
"number": "5",
"name": "DISABLE",
"type": "input",
"description": "Input disable pin that disables the isolator inputs and refresh circuits when driven high."
},
{
"number": "6",
"name": "DT",
"type": "input",
"description": "Dead time control input; the resistor from DT to ground sets the dead time, with a recommended resistor range of 10 kΩ to 500 kΩ."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connect pin; do not connect to this pin."
},
{
"number": "8",
"name": "VDD1",
"type": "power_in",
"description": "Input supply voltage, specified at 2.5 V to 6.5 V referenced to GND1; internally connected to pin 3 and connecting both is recommended."
},
{
"number": "9",
"name": "GNDB",
"type": "power_in",
"description": "Ground reference for Output B."
},
{
"number": "10",
"name": "VOB",
"type": "output",
"description": "Inverting Output B of the half-bridge driver."
},
{
"number": "11",
"name": "VDDB",
"type": "power_in",
"description": "Output B supply voltage, specified at 4.5 V to 35 V referenced to GNDB."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connect pin; do not connect to this pin."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connect pin; do not connect to this pin."
},
{
"number": "14",
"name": "GNDA",
"type": "power_in",
"description": "Ground reference for Output A."
},
{
"number": "15",
"name": "VOA",
"type": "output",
"description": "Noninverting Output A of the half-bridge driver."
},
{
"number": "16",
"name": "VDDA",
"type": "power_in",
"description": "Output A supply voltage, specified at 4.5 V to 35 V referenced to GNDA."
}
],
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"guards": "pin_guards 0.1: passed",
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"at": "2026-11-02T17:21:48"
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"pages": 24,
"sha256": "dfd0b38f884ee2d2",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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