SLM6900

{
  "schema_version": 1,
  "type": "component",
  "slug": "slm6900",
  "title": "SLM6900",
  "brief": "SOLA IC Battery Management, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "slm6900"
  ],
  "component": {
    "mpn": "SLM6900",
    "manufacturer": "SOLA IC",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a7875186c0c1007b6c91a0422d79fa0b.pdf",
    "parts": {
      "symbol": "slm6900.kicad_sym",
      "footprint": "slm6900.kicad_mod",
      "model_3d": "slm6900-etched.glb",
      "model_3d_plain": "slm6900.glb",
      "model_3d_step": "slm6900-etched.step",
      "model_3d_step_plain": "slm6900.step",
      "lbr": "slm6900.lbr"
    },
    "distributor_links": {
      "lcsc": "C388595"
    },
    "pins": [
      {
        "number": "1",
        "name": "DRV",
        "type": "output",
        "description": "External PMOS gate drive output. The voltage is clamped by GVC to VCC-6.3V (typ.), allowing a low-VGS PMOS to be used for improved efficiency and lower cost. Switches at the 300 kHz oscillator frequency."
      },
      {
        "number": "2",
        "name": "PVCC",
        "type": "power_in",
        "description": "Gate driver supply input. Supplies the DRV output stage; tied to VCC in typical applications."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply input. Operating input supply range 6.8 V to 28 V (absolute max VIN 30 V continuous / 45 V inrush)."
      },
      {
        "number": "4",
        "name": "NCHRG",
        "type": "output",
        "description": "Open-drain charge status indicator (typically drives a red LED). Pulled low while charging is in progress (VNCHRG ~0.3 V typ at 5 mA), high-impedance otherwise. Pulses at 1-4 Hz when the battery is disconnected."
      },
      {
        "number": "5",
        "name": "NSTDBY",
        "type": "output",
        "description": "Open-drain charge-done status indicator (typically drives a green LED). Pulled low when the battery is fully charged (VNSTDBY ~0.3 V typ at 5 mA), high-impedance otherwise."
      },
      {
        "number": "6",
        "name": "NTC",
        "type": "input",
        "description": "Battery temperature detection input. Sources ~50 uA (45-55 uA) into an external NTC thermistor (10 kΩ @ 25°C typical) referenced to GND. Suspends charging outside the 190 mV low / 1.46 V high thresholds. Leave floating or tie to VCC to disable; tying to GND disables charging."
      },
      {
        "number": "7",
        "name": "SEL",
        "type": "input",
        "description": "Battery output voltage select. Tie to GND for 3-cell mode (12.6 V float), tie to VCC for 4-cell mode (16.8 V float), or leave floating to use an external FB divider (VFB = 1.205 V reference)."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "passive",
        "description": "Loop stability compensation node. Connect a series R-C (e.g., 120 Ω / 220 nF) to GND close to the IC."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Battery voltage feedback input. In SEL=GND/VCC modes an optional series resistor trims float voltage; when SEL is floating, FB regulates to 1.205 V and an external divider sets VFLOAT = 1.205 × (R4+R5)/R5."
      },
      {
        "number": "10",
        "name": "ISN",
        "type": "input",
        "description": "Charge current sense negative input. Connect to the battery-side end of the current-sense resistor RS. In constant-current mode VS(ISP-ISN) = 120 mV; RS = 0.12/IBAT."
      },
      {
        "number": "11",
        "name": "ISP",
        "type": "input",
        "description": "Charge current sense positive input. Connect to the inductor/output-side end of RS. Kelvin-connect ISP/ISN directly across RS for best accuracy."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Small-signal (analog) ground. Return the COMP compensation capacitor here, close to the IC, to keep PGND switching noise off the control loop."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground / gate-driver return. Carries the PMOS gate-drive switching current; connect to the ground plane close to the input capacitor."
      },
      {
        "number": "14",
        "name": "GVC",
        "type": "passive",
        "description": "Gate voltage clamp node. A 100 nF capacitor from GVC to VCC clamps the external PMOS gate-drive swing to ≥VCC-6.3 V, protecting low-VGS PMOS parts."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a7875186c0c1007b6c91a0422d79fa0b.pdf",
        "pages": 13,
        "sha256": "636f021dcac3bc22",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -1.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-14_4.4x5mm_P0.65mm@sha256:e4bf82cea6d3b325",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "slm6900.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "slm6900-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b39c17eb1f7a8b1909bef1add8eb4a0f83fe0c4f6e7d64decfcca5ad43d8f138",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SOLA IC",
      "Package": "TSSOP-14",
      "Category": "PMIC",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "slm6900"
  ],
  "discovery_pitch": "SLM6900 (SOLA IC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "slm6900.kicad_sym",
    "slm6900.kicad_mod",
    "slm6900.glb",
    "slm6900.step",
    "slm6900-etched.step",
    "slm6900.lbr",
    "docs/hero.png",
    "docs/slm6900-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T06:14:38.919Z"
}