INA186A2IDDFR

@@ -0,0 +1,53 @@+# INA186A2IDDFR++**Texas Instruments** · Current-Sensing Amplifiers · TSOT-23-8++INA186A2IDDFR from Texas Instruments, in a TSOT-23-8. 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 | VS | power_in | Power supply input, 1.7 V to 5.5 V. Bypass to GND with a 0.1 uF ceramic capacitor placed close to the pin. |+| 2 | ENABLE | input | Digital enable input. Drive to VS to enable the amplifier for normal current-sense operation. Drive to GND to disable the device, which reduces supply current and puts the output in a high-impedance state. Must be driven externally or tied to VS when unused; available only on DDF and YFD packages. |+| 3 | REF | input | Reference voltage input. An externally applied voltage on this pin enables bidirectional current sensing by offsetting the output. Available only on DCK and SC70 packages plus DDF; devices without a REF pin tie the internal REF node to GND. |+| 4 | GND | power_in | Ground / analog return. |+| 5 | OUT | output | Analog output. Provides an output voltage equal to the differential input voltage (IN+ minus IN-) multiplied by the device gain (50 V/V for the A2 option), added to the REF pin voltage. |+| 6 | NC | unconnected | No internal connection. May be left floating, tied to ground, or connected to the supply. |+| 7 | IN+ | input | Positive input of the current-sense amplifier. For high-side applications connect to the bus-side (supply-side) of the sense resistor; for low-side applications connect to the load-side of the sense resistor. |+| 8 | IN- | input | Negative input of the current-sense amplifier. 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. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSOT-23-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `INA186A2IDDFR`+- `INA186A2IDDFRIDDFT`+- `INA186A2IDDFRIDCKR`+- `INA186A2IDDFRIDCKT`+- `INA186A2IDDFRIYFDR`+- `INA186A2IDDFRIYFDT`++## CAD (KiCad official)++- Symbol: `INA186A2IDDFR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-8`+- 3D model: TSOT-23-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/ina186a2iddfr-datasheet.pdf) (47 pp, sha256 `1517831c6395c89f`, 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/ina186a2iddfr-datasheet.pdf)

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