INA181A4IDBVR

@@ -0,0 +1,51 @@+# INA181A4IDBVR++**Texas Instruments** · Current-Sensing Amplifiers · SOT-23-6++INA181A4IDBVR from Texas Instruments, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUT | output | Analog output voltage. OUT = (IN+ - IN-) x 200 V/V + V_REF, referenced to the REF pin. Drives loads to within the specified swing of V_S and GND. |+| 2 | GND | power_in | Device ground (analog return). |+| 3 | IN+ | input | Current-sense amplifier positive input. For high-side applications, connect to the bus-voltage side of the sense resistor; for low-side applications, connect to the load side of the sense resistor. Common-mode range -0.2 V to +26 V independent of V_S. |+| 4 | IN- | input | Current-sense amplifier negative input. For high-side applications, connect to the load side of the sense resistor; for low-side applications, connect to the ground side of the sense resistor. |+| 5 | REF | input | Reference input that sets the output zero-current level (0 V to V_S). Tie to GND for unidirectional sensing, or drive to V_S/2 for bidirectional sensing. Drive from a low-impedance source since REF impedance affects gain error. |+| 6 | VS | power_in | Positive power-supply pin, 2.7 V to 5.5 V. Bypass with a 0.1 µF ceramic capacitor to GND placed close to the pin. Quiescent current up to 260 µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Op-amp/Cmp |+| Pins | 6 |++## Ordering variants++- `INA181A4IDBVRIDBVR`+- `INA181A4IDBVRIDBVT`+- `INA181A4IDBVRIDGSR`+- `INA181A4IDBVRIDGST`+- `INA181A4IDBVRIPWR`+- `INA181A4IDBVRIPWT`++## CAD (KiCad official)++- Symbol: `INA181A4IDBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/ina181a4idbvr-datasheet.pdf) (58 pp, sha256 `f6bd362733887a4d`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ina181a4idbvr-datasheet.pdf)

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