# TPS2042BQDRQ1

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

TPS2042BQDRQ1 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 | Supply input voltage, 2.7V to 5.5V operating range |
| 3 | EN1 | input | Enable input, logic low turns on power switch IN-OUT1, TTL/CMOS compatible |
| 4 | EN2 | input | Enable input, logic low turns on power switch IN-OUT2, TTL/CMOS compatible |
| 5 | OC2 | output | Overcurrent open-drain output, active low for OUT2 channel with 10ms deglitch |
| 6 | OUT2 | output | Power-switch output for OUT2 channel, 500mA continuous current maximum |
| 7 | OUT1 | output | Power-switch output for OUT1 channel, 500mA continuous current maximum |
| 8 | OC1 | output | Overcurrent open-drain output, active low for OUT1 channel with 10ms deglitch |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `TPS2042BQDRQ1`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `tps2042bqdrq1-etched.step` / `tps2042bqdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2042bqdrq1.step` / `tps2042bqdrq1.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/tps2051b-q1) (34 pp, sha256 `bc66a96ceefc6f90`, retrieved 2026-09-27, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/tps2042bqdrq1-datasheet.pdf)