TP7660H

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp7660h",
  "title": "TP7660H",
  "brief": "TOPPOWER Nanjing Extension Microelectronics DC-DC Converters, SOIC-8-150mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "tp7660h"
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  "component": {
    "mpn": "TP7660H",
    "manufacturer": "TOPPOWER Nanjing Extension Microelectronics",
    "package": "SOIC-8-150mil",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2105241447_TOPPOWER-Nanjing-Extension-Microelectronics-TP7660H_C2833525.pdf",
    "parts": {
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      "footprint": "tp7660h.kicad_mod",
      "model_3d": "tp7660h-etched.glb",
      "model_3d_plain": "tp7660h.glb",
      "model_3d_step": "tp7660h-etched.step",
      "model_3d_step_plain": "tp7660h.step",
      "lbr": "tp7660h.lbr"
    },
    "distributor_links": {
      "lcsc": "C2833525"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Datasheet recommends grounding this pin in the application circuit."
      },
      {
        "number": "2",
        "name": "CAP+",
        "type": "passive",
        "description": "Positive terminal of the external flying (pump) capacitor. Connect a 10 uF capacitor between CAP+ (pin 2) and CAP- (pin 4)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device and for the input/output capacitors."
      },
      {
        "number": "4",
        "name": "CAP-",
        "type": "passive",
        "description": "Negative terminal of the external flying (pump) capacitor. Connect a 10 uF capacitor between CAP+ (pin 2) and CAP- (pin 4)."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Inverted charge-pump output. Delivers a negative voltage of approximately -VDD (range -2.5 V to -11 V). Bypass to GND with a 10 uF storage capacitor. Typical output resistance 50 Ω at VIN=5 V, IOUT=10 mA."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Datasheet recommends grounding this pin in the application circuit."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "bidirectional",
        "description": "Oscillator node. Left open the internal oscillator runs at ~10 kHz. May be pulled by an external CMOS clock (through a 1 kΩ series resistor) to raise frequency (charge-pump runs at half the clock), or loaded with an external capacitor between OSC (pin 7) and VDD (pin 8) to lower the oscillator frequency and reduce switching loss."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. Operating range 2.5 V to 11 V (absolute maximum 11.5 V). Bypass to GND with a 10 uF capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2105241447_TOPPOWER-Nanjing-Extension-Microelectronics-TP7660H_C2833525.pdf",
        "pages": 7,
        "sha256": "c4c325621b63dab9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c24a07b75a3405ac8c1b24b4f6563c82a3ab792f00474197f8b8f40e8571a44f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TOPPOWER Nanjing Extension Microelectronics",
      "Package": "SOIC-8-150mil",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp7660h"
  ],
  "discovery_pitch": "TP7660H (TOPPOWER Nanjing Extension Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tp7660h.kicad_sym",
    "tp7660h.kicad_mod",
    "tp7660h.glb",
    "tp7660h.step",
    "tp7660h.lbr",
    "docs/hero.png",
    "docs/tp7660h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tp7660h-etched.step"
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T11:26:51.407Z"
}