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KP2143SGA
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Kiwi Instruments AC-DC Controllers and Regulators, SOP-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+49@@ -0,0 +1,49 @@+# KP2143SGA++**Kiwi Instruments** · AC-DC Controllers and Regulators · SOP-7++KP2143SGA from Kiwi Instruments, in a SOP-7. 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 | VDD | power_in | Chip supply pin. Recommended operating supply 11-27V. VDD_ON turn-on threshold ~16.3V, VDD_OFF turn-off ~9V, OVP threshold ~30V, internal clamp ~34.5V @ 7mA. |+| 2 | FB | input | System feedback pin. Auxiliary winding voltage is divided by resistors and fed to FB; used for CV-mode output-voltage regulation and CC-mode output-current regulation. Internal reference VFBREF = 2.0V; short-protection threshold VFB_SLP = 1.15V. |+| 3 | CC | input | Constant-current control pin. Requires a capacitor between CC and GND; typical recommended value 100nF. |+| 4 | CS | input | Current-sense input pin. Cycle-by-cycle over-current protection threshold Vcs(max) = 1.0V; leading-edge blanking time TLEB = 500ns. |+| 5 | Drain | passive | Drain of the internal 650V power MOSFET (tied together with pin 6). Rdson typical 2.6Ω (KP2143SGA). Absolute-max drain voltage -0.3V to 650V. |+| 6 | Drain | passive | Drain of the internal 650V power MOSFET (tied together with pin 5). Rdson typical 2.6Ω (KP2143SGA). Absolute-max drain voltage -0.3V to 650V. |+| 7 | GND | power_in | Chip reference ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Kiwi Instruments |+| Package | SOP-7 |+| Category | PMIC |+| Pins | 7 |++## Ordering variants++- `KP2143SGA`+- `KP2143SGAKP2144SGA`+- `KP2143SGAKP2144DP`++## CAD (KiCad official)++- Symbol: `KP2143SGA`+- Footprint: `Package_SO:SOIC-8-N7_3.9x4.9mm_P1.27mm`+- 3D model: SOP-7 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Kiwi Instruments datasheet](docs/kp2143sga-datasheet.pdf) (8 pp, sha256 `9048d4cb0bce3d2f`, 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/kp2143sga-datasheet.pdf)
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