# INA194AIDBVT

**Texas Instruments** · Current Sense Amplifiers · SOT-23-5

INA194AIDBVT from Texas Instruments, in a SOT-23-5. 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 | OUT | output | Output voltage pin, 50 V/V gain, output range GND − 0.3 V to (V+) + 0.3 V |
| 2 | GND | power_in | Ground reference |
| 3 | VIN+ | power_in | Supply-side shunt input, individual voltage range −18 V to +18 V, common-mode voltage range −16 V to +80 V |
| 4 | VIN− | power_in | Load-side shunt input, individual voltage range −18 V to +18 V, common-mode voltage range −16 V to +80 V |
| 5 | V+ | power_in | Analog power supply pin, voltage range 2.7 V to 18 V, maximum quiescent current 900 µA |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-5 |
| Category | Amplifiers/Comparators |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `INA194AIDBVT`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `ina194aidbvt-etched.step` / `ina194aidbvt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina194aidbvt.step` / `ina194aidbvt.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/ina194) (35 pp, sha256 `49a32b3735cc1095`, retrieved 2026-10-06, 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/ina194aidbvt-datasheet.pdf)