# TMR2301AHSO

**Hallwee** · Hall Switches · SOT-23-3L

TMR2301AHSO from Hallwee, in a SOT-23-3L. 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 | VDD | power_in | Power supply pin for the TMR2301A; the operating supply range is 1.8 V to 5.5 V, and the absolute maximum VDD is 6 V. |
| 2 | Gnd | power_in | Ground pin of the device, which the datasheet specifies as pin 2 (Gnd) on the SOT-23-3L package. |
| 3 | Out | output | Push-pull CMOS output pin; the absolute maximum output drive current (IOUTPUT) is 5 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Hallwee |
| Package | SOT-23-3L |
| Category | Magnetic Sensors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VDD | 1.8 |  | 5.5 | V | 工作状态 | 3 |
| Output low voltage | VOL |  | 0.008 | 0.05 | V | IOUT=1mA | 3 |
| Supply voltage (absolute maximum) | VDD |  |  | 6 | V |  | 2 |
| Reverse supply voltage | VDD_REV | -0.3 |  |  | V |  | 2 |
| Output drive current | IOUTPUT |  |  | 5 | mA |  | 2 |
| Maximum withstand magnetic field | B |  |  | 3000 | Gs | <5min | 2 |
| Package power dissipation | PD |  |  | 400 | mW |  | 2 |
| Storage temperature range | TSTG | -50 |  | 150 | °C |  | 2 |
| Maximum junction temperature | TJ |  |  | 150 | °C |  | 2 |
| Maximum reflow temperature | T reflow |  |  | 260 | °C |  | 2 |
| ESD capability, human body model | ESD |  |  | 8000 | V | HBM | 2 |
| Operating temperature range | TA | -40 |  | 125 | °C |  | 2 |

## CAD (KiCad official)

- Symbol: `TMR2301AHSO`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `tmr2301ahso-etched.step` / `tmr2301ahso-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tmr2301ahso.step` / `tmr2301ahso.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Hallwee datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603381752220307456) (5 pp, sha256 `1040c32d28bd6f18`, retrieved 2026-10-18, 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-5-5` (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/tmr2301ahso-datasheet.pdf)