# TLIN2021ADRBRQ1

**Texas Instruments** · LIN Transceivers · SON-8-EP(3x3)

TLIN2021ADRBRQ1 from Texas Instruments, in a SON-8-EP(3x3). 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 | RXD | tri_state | LIN receive data output, open-drain |
| 2 | EN | input | Sleep mode control input with integrated pull-down |
| 3 | WAKE | input | Local wake-up input with high voltage tolerance, -0.3V to 60V absolute maximum |
| 4 | TXD | input | LIN transmit data input with integrated pull-down, active low after local wake-up event |
| 5 | GND | power_in | Ground connection |
| 6 | LIN | bidirectional | LIN bus input/output line, -60V to +60V absolute maximum |
| 7 | VSUP | power_in | High-voltage supply from battery, 4.5V to 45V recommended operating range |
| 8 | INH | output | Inhibit output to control system regulators, high voltage output, -0.3V to 60V |
| 9 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SON-8-EP(3x3) |
| Category | Interface |
| Pins | 9 |

## CAD (KiCad official)

- Symbol: `TLIN2021ADRBRQ1`
- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`
- 3D model: SON-8-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `tlin2021adrbrq1-etched.step` / `tlin2021adrbrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlin2021adrbrq1.step` / `tlin2021adrbrq1.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/tlin2021a-q1) (48 pp, sha256 `0afd28c8ed3915f3`, retrieved 2026-10-03, 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 0.3`, 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/tlin2021adrbrq1-datasheet.pdf)