ACS724LLCTR-10AU-T

@@ -0,0 +1,56 @@+# ACS724LLCTR-10AU-T++**Allegro MicroSystems LLC** · Current Sensors · SOIC-8++ACS724LLCTR-10AU-T from Allegro MicroSystems LLC, in a SOIC-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 | IP+ | passive | Terminal for current being sensed (positive side). Pins 1 and 2 are fused internally as one side of the primary copper conduction path (~1.2 mΩ). Galvanically isolated from the signal leads (pins 5-8). |+| 2 | IP+ | passive | Terminal for current being sensed (positive side). Internally fused with pin 1 as one side of the primary copper conduction path. Must be tied to pin 1 on the PCB to carry the full primary current. |+| 3 | IP- | passive | Terminal for current being sensed (return/negative side). Pins 3 and 4 are fused internally as the return side of the primary copper conduction path. Galvanically isolated from the signal leads. |+| 4 | IP- | passive | Terminal for current being sensed (return/negative side). Internally fused with pin 3; must be tied to pin 3 on the PCB to carry the full primary current. |+| 5 | GND | power_in | Signal ground terminal. Reference for VCC, VIOUT, and the FILTER capacitor. |+| 6 | FILTER | passive | External bandwidth-setting capacitor terminal. A capacitor from FILTER to GND forms an RC low-pass with the internal 1.8 kΩ RF(int); a 1 nF cap gives the nominal 120 kHz bandwidth. Larger CF reduces bandwidth and lowers noise. |+| 7 | VIOUT | output | Analog output signal proportional to the sensed primary current IP. Ratiometric to VCC with a quiescent output near VCC/2 and 200 mV/A sensitivity (typ) for the -10AU variant. Load: RL ≥ 4.7 kΩ to GND, CL ≤ 10 nF. |+| 8 | VCC | power_in | Device power supply terminal. 4.5 V to 5.5 V single supply, ICC typ 10 mA (max 14 mA). Bypass with 0.1 µF CBYPASS to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Allegro MicroSystems LLC |+| Package | SOIC-8 |+| Category | Sensor |+| Pins | 8 |++## Ordering variants++- `ACS724LLCTR-10AU-TLLCTR-10AU-T`+- `ACS724LLCTR-10AU-TLLCTR-2P5AB-T`+- `ACS724LLCTR-10AU-TLLCTR-05AB-T`+- `ACS724LLCTR-10AU-TLLCTR-10AB-T`+- `ACS724LLCTR-10AU-TLLCTR-20AU-T`+- `ACS724LLCTR-10AU-TLLCTR-20AB-T`+- `ACS724LLCTR-10AU-TLLCTR-30AU-T`+- `ACS724LLCTR-10AU-TLLCTR-30AB-T`+- `ACS724LLCTR-10AU-TLLCTR-40AU-T`+- `ACS724LLCTR-10AU-TLLCTR-50AB-T`++## CAD (KiCad official)++- Symbol: `ACS724LLCTR-10AU-T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Allegro MicroSystems LLC datasheet](docs/acs724llctr-10au-t-datasheet.pdf) (25 pp, sha256 `1b172b64e8e1a4c5`, retrieved 2026-08-17, tier: lcsc)+- **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/acs724llctr-10au-t-datasheet.pdf)

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