component
DRV8870DDAR-S
Public Made by Adomby adom
JSMSEMI Brushed DC Motor Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# DRV8870DDAR-S++**JSMSEMI** · Brushed DC Motor Drivers · ESOP-8++DRV8870DDAR-S from JSMSEMI, in a ESOP-8. 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 | Ground return; all circuit voltages are referenced to this pin. |+| 2 | IN2 | input | Logic input 2 for H-bridge direction and PWM control; VIH ≥ 2.0 V (min), VIL ≤ 0.8 V (max), absolute maximum 6 V. |+| 3 | IN1 | input | Logic input 1 for H-bridge direction and PWM control; VIH ≥ 2.0 V (min), VIL ≤ 0.8 V (max), absolute maximum 6 V. |+| 4 | VREF | power_in | Analog reference voltage input that sets the current-limit trip threshold; ITRIP = VREF ÷ (10 × Rs); operating range 0-5 V. |+| 5 | VBB | power_in | Motor supply voltage input; recommended operating range 8-40 V, absolute maximum 45 V. |+| 6 | OUT1 | output | H-bridge output 1; drives one terminal of the DC motor at up to 5 A peak / 3.0 A continuous; absolute maximum voltage −2 V to 40 V. |+| 7 | LSS | passive | Low-side current sense node; an external sense resistor Rs connected between this pin and GND sets the current-limit trip point per ITRIP = VREF ÷ (10 × Rs). |+| 8 | OUT2 | output | H-bridge output 2; drives the other terminal of the DC motor at up to 5 A peak / 3.0 A continuous; absolute maximum voltage −2 V to 40 V. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | JSMSEMI |+| Package | ESOP-8 |+| Category | Motor Driver ICs |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `DRV8870DDAR-S`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)+- 3D model files: `drv8870ddar-s-etched.step` / `drv8870ddar-s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8870ddar-s.step` / `drv8870ddar-s.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [JSMSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908823757025280) (11 pp, sha256 `ee49ff4d5dad6e99`, retrieved 2026-09-21, 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-sonnet-4-6` (vision), consensus `claude-opus-4-7` (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/drv8870ddar-s-datasheet.pdf)
page.jsonadded+151@@ -0,0 +1,151 @@+{+ "slug": "drv8870ddar-s",+ "version": "0.1.0",+ "type": "component",+ "description": "JSMSEMI Brushed DC Motor Drivers, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "motor driver ics",+ "drv8870ddar-s",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv8870ddar-s.kicad_sym",+ "drv8870ddar-s.kicad_mod",+ "drv8870ddar-s.glb",+ "drv8870ddar-s.step",+ "drv8870ddar-s.lbr",+ "docs/hero.png",+ "docs/drv8870ddar-s-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "DRV8870DDAR-S",+ "manufacturer": "JSMSEMI",+ "package": "ESOP-8",+ "pin_count": 9,+ "category": "Motor Driver ICs",+ "subcategory": "Brushed DC Motor Drivers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908823757025280",+ "parts": {+ "symbol": "drv8870ddar-s.kicad_sym",+ "footprint": "drv8870ddar-s.kicad_mod",+ "model_3d": "drv8870ddar-s-etched.glb",+ "model_3d_plain": "drv8870ddar-s.glb",+ "model_3d_step": "drv8870ddar-s-etched.step",+ "model_3d_step_plain": "drv8870ddar-s.step",+ "lbr": "drv8870ddar-s.lbr"+ },+ "distributor_links": {+ "lcsc": "C19077371"+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return; all circuit voltages are referenced to this pin."+ },+ {+ "number": "2",+ "name": "IN2",+ "type": "input",+ "description": "Logic input 2 for H-bridge direction and PWM control; VIH ≥ 2.0 V (min), VIL ≤ 0.8 V (max), absolute maximum 6 V."+ },+ {+ "number": "3",+ "name": "IN1",+ "type": "input",+ "description": "Logic input 1 for H-bridge direction and PWM control; VIH ≥ 2.0 V (min), VIL ≤ 0.8 V (max), absolute maximum 6 V."+ },+ {+ "number": "4",+ "name": "VREF",+ "type": "power_in",+ "description": "Analog reference voltage input that sets the current-limit trip threshold; ITRIP = VREF ÷ (10 × Rs); operating range 0-5 V."+ },+ {+ "number": "5",+ "name": "VBB",+ "type": "power_in",+ "description": "Motor supply voltage input; recommended operating range 8-40 V, absolute maximum 45 V."+ },+ {+ "number": "6",+ "name": "OUT1",+ "type": "output",+ "description": "H-bridge output 1; drives one terminal of the DC motor at up to 5 A peak / 3.0 A continuous; absolute maximum voltage −2 V to 40 V."+ },+ {+ "number": "7",+ "name": "LSS",+ "type": "passive",+ "description": "Low-side current sense node; an external sense resistor Rs connected between this pin and GND sets the current-limit trip point per ITRIP = VREF ÷ (10 × Rs)."+ },+ {+ "number": "8",+ "name": "OUT2",+ "type": "output",+ "description": "H-bridge output 2; drives the other terminal of the DC motor at up to 5 A peak / 3.0 A continuous; absolute maximum voltage −2 V to 40 V."+ },+ {+ "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-sonnet-4-6",+ "primary_mode": "vision",+ "consensus_model": "claude-opus-4-7",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 9 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 11,+ "cost_usd": 0.2279,+ "at": "2026-09-21T19:35:17"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908823757025280",+ "pages": 11,+ "sha256": "ee49ff4d5dad6e99",+ "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]"+ }+}