component
DRV8426ERGER
Public Made by Adomby adom
Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "drv8426erger",
"title": "DRV8426ERGER",
"brief": "Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). 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",
"motor driver ics",
"drv8426erger",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DRV8426ERGER",
"manufacturer": "Texas Instruments",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Motor Driver ICs",
"subcategory": "Stepper Motor Driver",
"datasheet": "https://www.ti.com/cn/lit/gpn/drv8426e",
"parts": {
"symbol": "drv8426erger.kicad_sym",
"footprint": "drv8426erger.kicad_mod",
"model_3d": "drv8426erger-hero.glb",
"model_3d_plain": "drv8426erger.glb",
"model_3d_step": "drv8426erger-etched.step",
"model_3d_step_plain": "drv8426erger.step",
"lbr": "drv8426erger.lbr"
},
"distributor_links": {
"lcsc": "C1518726",
"digikey": "296-DRV8426ERGERTR-ND",
"mouser": "595-DRV8426ERGER"
},
"distributor_check": {
"checked_at": "2026-10-11T03:46:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DRV8426ERGERTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-DRV8426ERGER",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VM",
"type": "power_in",
"description": "Motor supply input, recommended 4.5 V to 33 V, bypassed to PGND with a 0.01 µF ceramic capacitor rated VM plus a bulk capacitor rated above VM."
},
{
"number": "2",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the motor driver; connect to system ground."
},
{
"number": "3",
"name": "AOUT1",
"type": "output",
"description": "Bridge A output 1, connects to motor winding A."
},
{
"number": "4",
"name": "AOUT2",
"type": "output",
"description": "Bridge A output 2, connects to motor winding A."
},
{
"number": "5",
"name": "BOUT2",
"type": "output",
"description": "Bridge B output 2, connects to motor winding B."
},
{
"number": "6",
"name": "BOUT1",
"type": "output",
"description": "Bridge B output 1, connects to motor winding B."
},
{
"number": "7",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the motor driver; connect to system ground."
},
{
"number": "8",
"name": "VM",
"type": "power_in",
"description": "Motor supply input, recommended 4.5 V to 33 V, bypassed to PGND with a 0.01 µF ceramic capacitor rated VM plus a bulk capacitor rated above VM."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Device ground; connect to system ground."
},
{
"number": "10",
"name": "DVDD",
"type": "power_out",
"description": "Internal 5 V logic regulator output (up to 2 mA load); bypass to GND with a 0.47 µF to 1 µF X7R ceramic capacitor rated 6.3 V or 10 V."
},
{
"number": "11",
"name": "nFAULT",
"type": "output",
"description": "Open-drain fault indicator, pulled low during a fault and requiring an external pull-up; open-drain current limited to 10 mA maximum."
},
{
"number": "12",
"name": "VREFB",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current for bridge B; maximum 3.3 V."
},
{
"number": "13",
"name": "VREFA",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current for bridge A; maximum 3.3 V."
},
{
"number": "14",
"name": "TOFF",
"type": "input",
"description": "Four-level input setting the PWM off-time: GND gives 7 µs, DVDD gives 16 µs, high-impedance gives 24 µs, and 330 kΩ to GND gives 32 µs."
},
{
"number": "15",
"name": "BDECAY",
"type": "input",
"description": "Four-level input setting the decay mode for bridge B (smart-tune dynamic, smart-tune ripple control, mixed decay, or fast decay)."
},
{
"number": "16",
"name": "ADECAY",
"type": "input",
"description": "Four-level input setting the decay mode for bridge A (smart-tune dynamic, smart-tune ripple control, mixed decay, or fast decay)."
},
{
"number": "17",
"name": "BPH",
"type": "input",
"description": "Bridge B phase input; logic high drives current from BOUT1 to BOUT2."
},
{
"number": "18",
"name": "BEN",
"type": "input",
"description": "Bridge B enable input; logic high enables bridge B, logic low disables it to high impedance."
},
{
"number": "19",
"name": "APH",
"type": "input",
"description": "Bridge A phase input; logic high drives current from AOUT1 to AOUT2."
},
{
"number": "20",
"name": "AEN",
"type": "input",
"description": "Bridge A enable input; logic high enables bridge A, logic low disables it to high impedance."
},
{
"number": "21",
"name": "nSLEEP",
"type": "input",
"description": "Sleep mode input; logic high enables the device, logic low enters low-power sleep, and a 20 µs to 40 µs low pulse clears faults."
},
{
"number": "22",
"name": "CPL",
"type": "passive",
"description": "Charge pump negative switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
},
{
"number": "23",
"name": "CPH",
"type": "passive",
"description": "Charge pump switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
},
{
"number": "24",
"name": "VCP",
"type": "power_out",
"description": "Charge pump output; connect a X7R 0.22 µF 16 V ceramic capacitor between VCP and VM."
},
{
"number": "25",
"name": "PAD",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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: The exposed thermal pad is listed in the pin function table as 'PAD' with no pin number, so it is no; Figure 5-2 (RGE top view) is not in the extracted text. Pin positions were taken from the pin functi; The datasheet labels CPH and CPL as PWR and VCP as O. The mapping to KiCad types (passive for CPH/CP",
"exposed pad 25 added from the footprint"
],
"pages_sent": 40,
"cost_usd": 0.1359,
"at": "2026-10-11T03:46:08"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/drv8426e",
"pages": 54,
"sha256": "a28056b73354293f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "drv8426erger.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "drv8426erger-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "cc19ba86f5d6f544c40934cf3aaa860d6584ccb6371f9ded5975f4892509804e",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24-EP(4x4)",
"Category": "Motor Driver ICs",
"Pins": "25"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"drv8426erger"
],
"discovery_pitch": "DRV8426ERGER (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"drv8426erger.kicad_sym",
"drv8426erger.kicad_mod",
"drv8426erger.glb",
"drv8426erger.step",
"drv8426erger.lbr",
"docs/hero.png",
"docs/drv8426erger-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"drv8426erger-hero.glb",
"drv8426erger-hero.overlay.json"
],
"visibility": {
"public": true
}
}