component
DRV8424EPWPR
Public Made by Adomby adom
Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309
{
"schema_version": 1,
"type": "component",
"slug": "drv8424epwpr",
"title": "DRV8424EPWPR",
"brief": "Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. 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",
"drv8424epwpr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DRV8424EPWPR",
"manufacturer": "Texas Instruments",
"package": "HTSSOP-28-EP",
"pin_count": 29,
"category": "Motor Driver ICs",
"subcategory": "Stepper Motor Driver",
"datasheet": "https://www.ti.com/cn/lit/gpn/drv8424e",
"parts": {
"symbol": "drv8424epwpr.kicad_sym",
"footprint": "drv8424epwpr.kicad_mod",
"model_3d": "drv8424epwpr-etched.glb",
"model_3d_plain": "drv8424epwpr.glb",
"model_3d_step": "drv8424epwpr-etched.step",
"model_3d_step_plain": "drv8424epwpr.step",
"lbr": "drv8424epwpr.lbr"
},
"distributor_links": {
"lcsc": "C2862906",
"digikey": "296-DRV8424EPWPRTR-ND",
"mouser": "595-DRV8424EPWPR"
},
"distributor_check": {
"checked_at": "2026-09-26T22:55:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DRV8424EPWPRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-DRV8424EPWPR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VCP",
"type": "power_out",
"description": "Charge pump output; connect 0.22µF 16V ceramic capacitor to VM for high-side gate driver power."
},
{
"number": "2",
"name": "VM",
"type": "power_in",
"description": "Motor power supply (4.5-33V); bypass each pin with 0.01µF ceramic capacitor and bulk capacitor to PGND per section 9."
},
{
"number": "3",
"name": "PGND",
"type": "power_in",
"description": "Power supply ground connection."
},
{
"number": "4",
"name": "AOUT1",
"type": "output",
"description": "Motor winding A output capable of 4A peak current (DRV8424E per page 1)."
},
{
"number": "5",
"name": "AOUT1",
"type": "output",
"description": "Motor winding A output capable of 4A peak current; parallel connection to pin 4 for current distribution."
},
{
"number": "6",
"name": "AOUT2",
"type": "output",
"description": "Motor winding A output capable of 4A peak current."
},
{
"number": "7",
"name": "AOUT2",
"type": "output",
"description": "Motor winding A output capable of 4A peak current; parallel connection to pin 6 for current distribution."
},
{
"number": "8",
"name": "BOUT2",
"type": "output",
"description": "Motor winding B output capable of 4A peak current."
},
{
"number": "9",
"name": "BOUT2",
"type": "output",
"description": "Motor winding B output capable of 4A peak current; parallel connection to pin 8 for current distribution."
},
{
"number": "10",
"name": "BOUT1",
"type": "output",
"description": "Motor winding B output capable of 4A peak current."
},
{
"number": "11",
"name": "BOUT1",
"type": "output",
"description": "Motor winding B output capable of 4A peak current; parallel connection to pin 10 for current distribution."
},
{
"number": "12",
"name": "PGND",
"type": "power_in",
"description": "Power supply ground connection."
},
{
"number": "13",
"name": "VM",
"type": "power_in",
"description": "Motor power supply (4.5-33V); bypass each pin with 0.01µF ceramic capacitor and bulk capacitor to PGND per section 9."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Logic circuit ground; connect to system ground."
},
{
"number": "15",
"name": "DVDD",
"type": "power_in",
"description": "Logic supply voltage (4.75-5.25V typical, section 6.5); bypass with 0.47-1µF X7R ceramic capacitor rated 6.3V or 10V."
},
{
"number": "16",
"name": "nFAULT",
"type": "tri_state",
"description": "Fault indicator output (open-drain); pulled to logic low on VM UVLO, VCP UVLO, overcurrent (4A threshold), or overtemperature faults; requires external pull-up resistor."
},
{
"number": "17",
"name": "VREFB",
"type": "input",
"description": "Bridge B current reference voltage input (0.05-2.64V per section 6.3); sets full-scale chopping current via IREG = VREFB / 1.32 V/A."
},
{
"number": "18",
"name": "VREFA",
"type": "input",
"description": "Bridge A current reference voltage input (0.05-3.3V per section 6.3); sets full-scale chopping current via IREG = VREFA / 1.32 V/A."
},
{
"number": "19",
"name": "TOFF",
"type": "input",
"description": "PWM turn-off time selection (four-level pin): 7µs (GND), 16µs (DVDD), 24µs (high impedance), or 32µs (330kΩ to GND) per table 7-4 page 19."
},
{
"number": "20",
"name": "BDECAY",
"type": "input",
"description": "Bridge B decay mode selection (four-level pin); selects smart-tune dynamic, smart-tune ripple, hybrid, or fast decay modes per table 7-5 page 19."
},
{
"number": "21",
"name": "ADECAY",
"type": "input",
"description": "Bridge A decay mode selection (four-level pin); selects smart-tune dynamic, smart-tune ripple, hybrid, or fast decay modes per table 7-5 page 19."
},
{
"number": "22",
"name": "BPH",
"type": "input",
"description": "Bridge B phase input (PH/EN interface); logic high drives current from BOUT1 to BOUT2; logic low reverses direction per table 7-2 page 17."
},
{
"number": "23",
"name": "BEN",
"type": "input",
"description": "Bridge B enable input (PH/EN interface); logic high enables bridge; logic low disables bridge to high impedance per table 7-2 page 17."
},
{
"number": "24",
"name": "APH",
"type": "input",
"description": "Bridge A phase input (PH/EN interface); logic high drives current from AOUT1 to AOUT2; logic low reverses direction per table 7-2 page 17."
},
{
"number": "25",
"name": "AEN",
"type": "input",
"description": "Bridge A enable input (PH/EN interface); logic high enables bridge; logic low disables bridge to high impedance per table 7-2 page 17."
},
{
"number": "26",
"name": "nSLEEP",
"type": "input",
"description": "Sleep mode control input (internal 200kΩ pull-down); logic high enables device; logic low enters low-power sleep mode (2µA per page 10); pulse clears fault latches per section 7.4.3."
},
{
"number": "27",
"name": "CPL",
"type": "power_in",
"description": "Charge pump lower switching node; connect X7R 0.022µF ceramic capacitor (VM rated) between CPL and CPH per section 7.3.5."
},
{
"number": "28",
"name": "CPH",
"type": "power_out",
"description": "Charge pump upper switching node; connect X7R 0.022µF ceramic capacitor (VM rated) between CPH and CPL for gate driver supply per section 7.3.5."
},
{
"number": "29",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.2",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.2",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-4-6",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"exposed pad 29 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 53,
"cost_usd": 0.6327,
"at": "2026-09-26T22:55:41"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/drv8424e",
"pages": 53,
"sha256": "61208cc09b733204",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 29,
"described": 29,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "HTSSOP-28-EP",
"Category": "Motor Driver ICs",
"Pins": "29"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"drv8424epwpr"
],
"discovery_pitch": "DRV8424EPWPR (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",
"drv8424epwpr.kicad_sym",
"drv8424epwpr.kicad_mod",
"drv8424epwpr.glb",
"drv8424epwpr.step",
"drv8424epwpr.lbr",
"docs/hero.png",
"docs/drv8424epwpr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"visibility": {
"public": true
}
}