# TPS2031DR

**Texas Instruments** · Power Distribution Switches · SOIC-8

TPS2031DR from Texas Instruments, in a SOIC-8. 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 | GND | power_in | Ground reference |
| 2 | IN | power_in | Input supply voltage, operating range 2.7V to 5.5V |
| 3 | IN | power_in | Input supply voltage, operating range 2.7V to 5.5V |
| 4 | EN | input | Enable input; logic high turns on power switch, compatible with TTL and CMOS logic levels |
| 5 | OC | tri_state | Overcurrent output, open-drain, asserted active low during overcurrent or overtemperature condition |
| 6 | OUT | power_out | Power-switch output |
| 7 | OUT | power_out | Power-switch output |
| 8 | OUT | power_out | Power-switch output |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `TPS2031DR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `tps2031dr-etched.step` / `tps2031dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2031dr.step` / `tps2031dr.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/lit/ds/symlink/tps2031.pdf) (30 pp, sha256 `6b2689f627078f18`, retrieved 2026-10-06, tier: manufacturer)
- **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/tps2031dr-datasheet.pdf)