# FDC1004QDGSRQ1

**Texas Instruments** · Touch Sensors · VSSOP-10-0.5mm

FDC1004QDGSRQ1 from Texas Instruments, in a VSSOP-10-0.5mm. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | SHLD1 | output | Capacitive Input Active AC Shielding. |
| 2 | CIN1 | input | Capacitive Input; measured capacitance connected between CIN1 pin and GND, leave open if unused. |
| 3 | CIN2 | input | Capacitive Input; measured capacitance connected between CIN2 pin and GND, leave open if unused. |
| 4 | CIN3 | input | Capacitive Input; measured capacitance connected between CIN3 pin and GND, leave open if unused. |
| 5 | CIN4 | input | Capacitive Input; measured capacitance connected between CIN4 pin and GND, leave open if unused. |
| 6 | SHLD2 | output | Capacitive Input Active AC Shielding. |
| 7 | GND | power_in | Ground. |
| 8 | VDD | power_in | Power Supply Voltage, decouple to GND with 1μF tantalum and 0.1μF multilayer ceramic capacitor. |
| 9 | SCL | input | Serial Interface Clock Input requiring pullup resistor if not provided elsewhere in the system. |
| 10 | SDA | bidirectional | Serial Interface Bidirectional Data requiring pullup resistor if not provided elsewhere in the system. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-10-0.5mm |
| Category | Sensors |
| Pins | 10 |

## CAD (KiCad official)

- Symbol: `FDC1004QDGSRQ1`
- Footprint: `Package_SO:MSOP-10_3x3mm_P0.5mm`
- 3D model: VSSOP-10-0.5mm (KiCad packages3D, STEP)
- 3D model files: `fdc1004qdgsrq1-etched.step` / `fdc1004qdgsrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fdc1004qdgsrq1.step` / `fdc1004qdgsrq1.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/fdc1004-q1) (33 pp, sha256 `2c364575317f2e3e`, retrieved 2026-10-03, 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 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (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/fdc1004qdgsrq1-datasheet.pdf)