# TPS2112PWR

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

TPS2112PWR from Texas Instruments, in a TSSOP-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 | STAT | output | Open-drain switch status output that is Hi-Z when IN2 switch is ON, or pulls low when IN1 switch is ON or output is Hi-Z. |
| 2 | EN | input | TTL and CMOS compatible enable input with 1-µA pull-up for control logic selection. |
| 3 | VSNS | input | Voltage sense input that selects IN1 path when greater than 0.8 V with 30-60 mV hysteresis, otherwise selects higher of IN1 and IN2. |
| 4 | ILIM | input | Current limit adjustment pin where external resistor RILIM sets limit to 250/RILIM (TPS2112) or 500/RILIM (TPS2113) amperes. |
| 5 | GND | power_in | Ground return. |
| 6 | IN2 | input | Secondary power input accepting 2.8-5.5 V when supply exceeds UVLO threshold and internal VDD UVLO. |
| 7 | OUT | output | Power switch output providing switched connection to selected input. |
| 8 | IN1 | input | Primary power input accepting 2.8-5.5 V when supply exceeds UVLO threshold and internal VDD UVLO. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `TPS2112PWR`
- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`
- 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `tps2112pwr-etched.step` / `tps2112pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2112pwr.step` / `tps2112pwr.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/tps2112.pdf) (25 pp, sha256 `4975f845607653aa`, retrieved 2026-10-03, 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/tps2112pwr-datasheet.pdf)