CSA220NASOT235

@@ -0,0 +1,47 @@+# CSA220NASOT235++**analogysemi** · Current-Sensing Amplifiers · SOT23-5++CSA220NASOT235 from analogysemi, in a SOT23-5. 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 | GND | power_in | Device ground reference. |+| 2 | OUT | output | Amplifier analog output. Output = Gain (50V/V for CSA220-50) × (V(RS+) - V(RS-)). Rail-to-rail; drive an ADC or comparator; use 250Ω isolation resistor for CLOAD > 500pF. |+| 3 | VDD | power_in | Supply voltage, 2.7V to 5.5V (3.3V nom). Connect at least a 100nF decoupling capacitor to GND. Independent of the input common-mode voltage range. |+| 4 | RS- | input | Load-side connection of the external current-sense resistor (Rsense). Differential input; common-mode range 0V to 76V independent of VDD. |+| 5 | RS+ | input | Power-side (bus) connection of the external current-sense resistor (Rsense). Differential input; common-mode range 0V to 76V independent of VDD. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | analogysemi |+| Package | SOT23-5 |+| Category | Op-amp/Cmp |+| Pins | 5 |++## Ordering variants++- `CSA220NASOT235CSA220LASOT235`+- `CSA220NASOT235CSA220MASOT235`+- `CSA220NASOT235`+- `CSA220NASOT235CSA220PASOT235`++## CAD (KiCad official)++- Symbol: `CSA220NASOT235`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [analogysemi datasheet](docs/csa220nasot235-datasheet.pdf) (14 pp, sha256 `2d652f91e1250e0a`, 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/csa220nasot235-datasheet.pdf)

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