component
KP1181SPA
Public Unreviewedby Ray
Kiwi Instruments AC-DC Controllers and Regulators, SOP-7. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownKP1181SPA
Kiwi Instruments · AC-DC Controllers and Regulators · SOP-7
KP1181SPA 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 | COMP | input | Constant-current output loop compensation pin. Recommended to connect a 1-4.7 uF ceramic capacitor to GND. Internal clamps: Vcomp_H = 3 V, Vcomp_L = 0.7 V. |
| 2 | GND | power_in | IC reference ground. |
| 3 | VDD | power_in | IC supply pin. Normal operating voltage 10.5-13 V (typ 11.5 V); UVLO turn-off at ~8.5 V; internal clamp at 14 V (max 10 mA clamp current). |
| 4 | ROVP | input | Output over-voltage protection setting pin. External resistor programs the OVP threshold (segmented adjustable). |
| 5 | Drain | passive | Drain of the internal 650 V high-voltage power MOSFET. Pins 5 and 6 are internally tied together. Rdson = 9 Ω (KP1181SP). |
| 6 | Drain | passive | Drain of the internal 650 V high-voltage power MOSFET. Pins 5 and 6 are internally tied together. |
| 7 | Source | passive | Source of the internal high-voltage MOSFET. Also serves as the current-sense node (CS); external sense resistor to GND sets the peak current (Vcs_max ≈ 1.8 V, VCC_REF = 300 mV constant-current reference). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Kiwi Instruments |
| Package | SOP-7 |
| Category | PMIC |
| Pins | 7 |
Ordering variants
Same part, different packaging or reel option.
KP1181SPAKP1181SPADP
CAD (KiCad official)
- Symbol:
KP1181SPA - 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 (7 pp, sha256
1a754a5c8e81103c, 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).