component
DRV8424RGER
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.
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README.mdadded+62@@ -0,0 +1,62 @@+# DRV8424RGER++**Texas Instruments** · Stepper Motor Driver · VQFN-24-EP(4x4)++DRV8424RGER from Texas Instruments, in a VQFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VM | power_in | Motor power supply pin (4.5V to 33V); bypass to PGND with 0.01µF and bulk capacitor. |+| 2 | PGND | power_in | Power ground return; connect to system ground. |+| 3 | AOUT1 | output | Phase A motor winding output; connect to stepper motor winding A. |+| 4 | AOUT2 | output | Phase A motor winding output; connect to stepper motor winding A. |+| 5 | BOUT2 | output | Phase B motor winding output; connect to stepper motor winding B. |+| 6 | BOUT1 | output | Phase B motor winding output; connect to stepper motor winding B. |+| 7 | PGND | power_in | Power ground return; connect to system ground. |+| 8 | VM | power_in | Motor power supply pin (4.5V to 33V); bypass to PGND with 0.01µF and bulk capacitor. |+| 9 | GND | power_in | Device ground; connect to system ground. |+| 10 | DVDD | power_out | Internal regulated logic supply (4.75V to 5.25V nominal at 25°C); bypass to GND with 0.47µF to 1µF X7R capacitor. |+| 11 | nFAULT | tri_state | Open-drain fault output, pulled low under VM UVLO, VCP UVLO, OCP, or thermal shutdown; requires external pull-up resistor. |+| 12 | VREF | power_in | Current reference input (0.05V to 3.3V for DRV8424); full-scale current IFS = VREF / 1.32 V/A. |+| 13 | M0 | input | Microstep mode select pin with internal pull-down; configure with M1 for stepping resolution from full-step to 1/256 microstep. |+| 14 | TOFF | input | PWM off-time setting (4-level input); sets tOFF to 7µs, 16µs, 24µs, or 32µs, or ripple current in smart tuning ripple control mode. |+| 15 | DECAY1 | input | Decay mode select pin with internal pull-down; configure with DECAY0 for slow/mixed/fast/smart-tuning decay modes. |+| 16 | DECAY0 | input | Decay mode select pin with internal pull-down; configure with DECAY1 for slow/mixed/fast/smart-tuning decay modes. |+| 17 | M1 | input | Microstep mode select pin (4-level input); configure with M0 for stepping resolution from full-step to 1/256 microstep. |+| 18 | STEP | input | Step clock input with internal pull-down; rising edge advances motor one microstep; maximum frequency 500kHz. |+| 19 | DIR | input | Direction control input with internal pull-down; logic level sets motor rotation direction. |+| 20 | ENABLE | input | Output enable control with internal pull-up to DVDD; logic low disables outputs, high enables; selects OCP/OTSD response mode. |+| 21 | nSLEEP | input | Sleep mode control input with internal pull-down; high enables operation, low enters 2µA sleep mode; pulse clears latched faults. |+| 22 | CPL | passive | Charge pump flying capacitor negative terminal; connect 0.022µF X7R capacitor (rated for VM) between CPL and CPH. |+| 23 | CPH | passive | Charge pump flying capacitor positive terminal; connect 0.022µF X7R capacitor (rated for VM) between CPH and CPL. |+| 24 | VCP | power_out | Charge pump output (VM + 5V nominal); bypass to VM with 0.22µF 16V X7R ceramic capacitor. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24-EP(4x4) |+| Category | Motor Driver ICs |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `DRV8424RGER`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`+- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `drv8424rger-etched.step` / `drv8424rger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8424rger.step` / `drv8424rger.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/drv8424) (56 pp, sha256 `d2894da743bf3f58`, retrieved 2026-09-23, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/drv8424rger-datasheet.pdf)
page.jsonadded+246@@ -0,0 +1,246 @@+{+ "slug": "drv8424rger",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "motor driver ics",+ "drv8424rger",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv8424rger.kicad_sym",+ "drv8424rger.kicad_mod",+ "drv8424rger.glb",+ "drv8424rger.step",+ "drv8424rger.lbr",+ "docs/hero.png",+ "docs/drv8424rger-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "DRV8424RGER",+ "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/drv8424",+ "parts": {+ "symbol": "drv8424rger.kicad_sym",+ "footprint": "drv8424rger.kicad_mod",+ "model_3d": "drv8424rger-etched.glb",+ "model_3d_plain": "drv8424rger.glb",+ "model_3d_step": "drv8424rger-etched.step",+ "model_3d_step_plain": "drv8424rger.step",+ "lbr": "drv8424rger.lbr"+ },+ "distributor_links": {+ "lcsc": "C1518725"+ },+ "pins": [+ {+ "number": "1",+ "name": "VM",+ "type": "power_in",+ "description": "Motor power supply pin (4.5V to 33V); bypass to PGND with 0.01µF and bulk capacitor."+ },+ {+ "number": "2",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return; connect to system ground."+ },+ {+ "number": "3",+ "name": "AOUT1",+ "type": "output",+ "description": "Phase A motor winding output; connect to stepper motor winding A."+ },+ {+ "number": "4",+ "name": "AOUT2",+ "type": "output",+ "description": "Phase A motor winding output; connect to stepper motor winding A."+ },+ {+ "number": "5",+ "name": "BOUT2",+ "type": "output",+ "description": "Phase B motor winding output; connect to stepper motor winding B."+ },+ {+ "number": "6",+ "name": "BOUT1",+ "type": "output",+ "description": "Phase B motor winding output; connect to stepper motor winding B."+ },+ {+ "number": "7",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return; connect to system ground."+ },+ {+ "number": "8",+ "name": "VM",+ "type": "power_in",+ "description": "Motor power supply pin (4.5V to 33V); bypass to PGND with 0.01µF and bulk capacitor."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground; connect to system ground."+ },+ {+ "number": "10",+ "name": "DVDD",+ "type": "power_out",+ "description": "Internal regulated logic supply (4.75V to 5.25V nominal at 25°C); bypass to GND with 0.47µF to 1µF X7R capacitor."+ },+ {+ "number": "11",+ "name": "nFAULT",+ "type": "tri_state",+ "description": "Open-drain fault output, pulled low under VM UVLO, VCP UVLO, OCP, or thermal shutdown; requires external pull-up resistor."+ },+ {+ "number": "12",+ "name": "VREF",+ "type": "power_in",+ "description": "Current reference input (0.05V to 3.3V for DRV8424); full-scale current IFS = VREF / 1.32 V/A."+ },+ {+ "number": "13",+ "name": "M0",+ "type": "input",+ "description": "Microstep mode select pin with internal pull-down; configure with M1 for stepping resolution from full-step to 1/256 microstep."+ },+ {+ "number": "14",+ "name": "TOFF",+ "type": "input",+ "description": "PWM off-time setting (4-level input); sets tOFF to 7µs, 16µs, 24µs, or 32µs, or ripple current in smart tuning ripple control mode."+ },+ {+ "number": "15",+ "name": "DECAY1",+ "type": "input",+ "description": "Decay mode select pin with internal pull-down; configure with DECAY0 for slow/mixed/fast/smart-tuning decay modes."+ },+ {+ "number": "16",+ "name": "DECAY0",+ "type": "input",+ "description": "Decay mode select pin with internal pull-down; configure with DECAY1 for slow/mixed/fast/smart-tuning decay modes."+ },+ {+ "number": "17",+ "name": "M1",+ "type": "input",+ "description": "Microstep mode select pin (4-level input); configure with M0 for stepping resolution from full-step to 1/256 microstep."+ },+ {+ "number": "18",+ "name": "STEP",+ "type": "input",+ "description": "Step clock input with internal pull-down; rising edge advances motor one microstep; maximum frequency 500kHz."+ },+ {+ "number": "19",+ "name": "DIR",+ "type": "input",+ "description": "Direction control input with internal pull-down; logic level sets motor rotation direction."+ },+ {+ "number": "20",+ "name": "ENABLE",+ "type": "input",+ "description": "Output enable control with internal pull-up to DVDD; logic low disables outputs, high enables; selects OCP/OTSD response mode."+ },+ {+ "number": "21",+ "name": "nSLEEP",+ "type": "input",+ "description": "Sleep mode control input with internal pull-down; high enables operation, low enters 2µA sleep mode; pulse clears latched faults."+ },+ {+ "number": "22",+ "name": "CPL",+ "type": "passive",+ "description": "Charge pump flying capacitor negative terminal; connect 0.022µF X7R capacitor (rated for VM) between CPL and CPH."+ },+ {+ "number": "23",+ "name": "CPH",+ "type": "passive",+ "description": "Charge pump flying capacitor positive terminal; connect 0.022µF X7R capacitor (rated for VM) between CPH and CPL."+ },+ {+ "number": "24",+ "name": "VCP",+ "type": "power_out",+ "description": "Charge pump output (VM + 5V nominal); bypass to VM with 0.22µF 16V X7R ceramic capacitor."+ },+ {+ "number": "25",+ "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-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 25 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 56,+ "cost_usd": 0.5122,+ "at": "2026-09-23T03:30:16"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/drv8424",+ "pages": 56,+ "sha256": "d2894da743bf3f58",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}