← Commit history

Initial commit: component/drv8872ddar

Ray ·319546a18c ·
2 files changed +196
README.mdadded+46
@@ -0,0 +1,46 @@+# DRV8872DDAR++**Texas Instruments** · Stepper Motor Driver · HSOP-8-EP++DRV8872DDAR from Texas Instruments, in a HSOP-8-EP. 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 | GND | power_in | Logic ground connecting to board ground plane. |+| 2 | IN2 | input | Logic input with internal pulldown controlling H-bridge output state. |+| 3 | IN1 | input | Logic input with internal pulldown controlling H-bridge output state. |+| 4 | nFAULT | tri_state | Open-drain fault status output indicating UVLO, TSD, or OCP fault; requires external pullup resistor. |+| 5 | VM | power_in | Power supply input voltage of 6.5 V to 45 V; requires 0.1 µF bypass capacitor and bulk capacitors rated for supply voltage. |+| 6 | OUT1 | output | H-bridge motor drive output connected directly to motor or inductive load. |+| 7 | ISEN | power_in | High-current ground path; connect to low-value sense resistor for current regulation or directly to ground. |+| 8 | OUT2 | output | H-bridge motor drive output connected directly to motor or inductive load. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HSOP-8-EP |+| Category | Motor Driver ICs |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `DRV8872DDAR`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: HSOP-8-EP (KiCad packages3D, STEP)+- 3D model files: `drv8872ddar-etched.step` / `drv8872ddar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8872ddar.step` / `drv8872ddar.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/drv8872) (27 pp, sha256 `dbb343fc090a2da4`, 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/drv8872ddar-datasheet.pdf)
page.jsonadded+150
@@ -0,0 +1,150 @@+{+  "slug": "drv8872ddar",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Stepper Motor Driver, HSOP-8-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "motor driver ics",+    "drv8872ddar",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "drv8872ddar.kicad_sym",+    "drv8872ddar.kicad_mod",+    "drv8872ddar.glb",+    "drv8872ddar.step",+    "drv8872ddar.lbr",+    "docs/hero.png",+    "docs/drv8872ddar-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "DRV8872DDAR",+    "manufacturer": "Texas Instruments",+    "package": "HSOP-8-EP",+    "pin_count": 9,+    "category": "Motor Driver ICs",+    "subcategory": "Stepper Motor Driver",+    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8872",+    "parts": {+      "symbol": "drv8872ddar.kicad_sym",+      "footprint": "drv8872ddar.kicad_mod",+      "model_3d": "drv8872ddar-etched.glb",+      "model_3d_plain": "drv8872ddar.glb",+      "model_3d_step": "drv8872ddar-etched.step",+      "model_3d_step_plain": "drv8872ddar.step",+      "lbr": "drv8872ddar.lbr"+    },+    "distributor_links": {+      "lcsc": "C114179"+    },+    "pins": [+      {+        "number": "1",+        "name": "GND",+        "type": "power_in",+        "description": "Logic ground connecting to board ground plane."+      },+      {+        "number": "2",+        "name": "IN2",+        "type": "input",+        "description": "Logic input with internal pulldown controlling H-bridge output state."+      },+      {+        "number": "3",+        "name": "IN1",+        "type": "input",+        "description": "Logic input with internal pulldown controlling H-bridge output state."+      },+      {+        "number": "4",+        "name": "nFAULT",+        "type": "tri_state",+        "description": "Open-drain fault status output indicating UVLO, TSD, or OCP fault; requires external pullup resistor."+      },+      {+        "number": "5",+        "name": "VM",+        "type": "power_in",+        "description": "Power supply input voltage of 6.5 V to 45 V; requires 0.1 µF bypass capacitor and bulk capacitors rated for supply voltage."+      },+      {+        "number": "6",+        "name": "OUT1",+        "type": "output",+        "description": "H-bridge motor drive output connected directly to motor or inductive load."+      },+      {+        "number": "7",+        "name": "ISEN",+        "type": "power_in",+        "description": "High-current ground path; connect to low-value sense resistor for current regulation or directly to ground."+      },+      {+        "number": "8",+        "name": "OUT2",+        "type": "output",+        "description": "H-bridge motor drive output connected directly to motor or inductive load."+      },+      {+        "number": "9",+        "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": [+          "extractor flagged: Thermal pad (exposed pad) is not explicitly numbered in the datasheet pin functions table (shown as ",+          "exposed pad 9 added from the footprint"+        ],+        "pages_sent": 27,+        "cost_usd": 0.252,+        "at": "2026-09-23T06:07:41"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/drv8872",+        "pages": 27,+        "sha256": "dbb343fc090a2da4",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 9,+        "described": 9,+        "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]"+  }+}\ No newline at end of file