# TPS2044DR

**Texas Instruments** · Power Distribution Switches · SOIC-16

TPS2044DR from Texas Instruments, in a SOIC-16. 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 | GND1 | power_in | Ground. |
| 2 | IN1 | power_in | Power supply input, 2.7 V to 5.5 V operating range. |
| 3 | EN1 | input | Enable input; logic low turns on power switch IN1-OUT1. |
| 4 | EN2 | input | Enable input; logic low turns on power switch IN1-OUT2. |
| 5 | GND2 | power_in | Ground. |
| 6 | IN2 | power_in | Power supply input, 2.7 V to 5.5 V operating range. |
| 7 | EN3 | input | Enable input; logic low turns on power switch IN2-OUT3. |
| 8 | EN4 | input | Enable input; logic low turns on power switch IN2-OUT4. |
| 9 | OC4 | output | Overcurrent output, open-drain, active low when 0.9 A limit exceeded or junction temperature exceeds 140°C. |
| 10 | OUT4 | power_out | Power switch output, 500 mA maximum continuous current. |
| 11 | OUT3 | power_out | Power switch output, 500 mA maximum continuous current. |
| 12 | OC3 | output | Overcurrent output, open-drain, active low when 0.9 A limit exceeded or junction temperature exceeds 140°C. |
| 13 | OC2 | output | Overcurrent output, open-drain, active low when 0.9 A limit exceeded or junction temperature exceeds 140°C. |
| 14 | OUT2 | power_out | Power switch output, 500 mA maximum continuous current. |
| 15 | OUT1 | power_out | Power switch output, 500 mA maximum continuous current. |
| 16 | OC1 | output | Overcurrent output, open-drain, active low when 0.9 A limit exceeded or junction temperature exceeds 140°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Power Management (PMIC) |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `TPS2044DR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files: `tps2044dr-etched.step` / `tps2044dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2044dr.step` / `tps2044dr.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/tps2044.pdf) (29 pp, sha256 `2e4e786008a95380`, retrieved 2026-10-07, 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/tps2044dr-datasheet.pdf)