# CSD88539ND

**Texas Instruments** · MOSFETs · SOIC-8

CSD88539ND 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 | S1 | power_in | Source terminal for MOSFET 1, provides return current path, establishes gate-source reference with maximum VGS ±20V |
| 2 | G1 | input | Gate input for MOSFET 1, accepts 0-10V control signal, gate threshold voltage 2.6-3.6V, typical operation VGS 6-10V |
| 3 | G2 | input | Gate input for MOSFET 2, accepts 0-10V control signal, gate threshold voltage 2.6-3.6V, typical operation VGS 6-10V |
| 4 | S2 | power_in | Source terminal for MOSFET 2, provides return current path, establishes gate-source reference with maximum VGS ±20V |
| 5 | D2 | output | Drain terminal for MOSFET 2, maximum VDS 60V, maximum continuous drain current 15A package-limited |
| 6 | D2 | output | Drain terminal for MOSFET 2 (parallel connection for current distribution), maximum VDS 60V, maximum continuous current 15A |
| 7 | D1 | output | Drain terminal for MOSFET 1, maximum VDS 60V, maximum continuous drain current 15A package-limited |
| 8 | D1 | output | Drain terminal for MOSFET 1 (parallel connection for current distribution), maximum VDS 60V, maximum continuous current 15A |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `CSD88539ND`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `csd88539nd-etched.step` / `csd88539nd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `csd88539nd.step` / `csd88539nd.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/csd88539nd.pdf) (14 pp, sha256 `d6f42e8a63c50b44`, 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/csd88539nd-datasheet.pdf)