OB2273MP

@@ -0,0 +1,46 @@+# OB2273MP++**OB On Bright Elec** · AC-DC Controllers and Regulators · SOT-23-6++OB2273MP from OB On Bright Elec, in a SOT-23-6. 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 | Ground return for the IC. All signal and power references are measured with respect to this pin. |+| 2 | FB | input | Feedback input pin. The PWM duty cycle is determined by the voltage level into this pin and the current-sense signal at Pin 4 (CS). Input impedance ~16 kOhm; open-loop VFB ≈ 4.2 V. Burst-mode thresholds ~1.175 V (enter) / 1.275 V (exit); power-limiting threshold ~3.7 V. |+| 3 | RT | bidirectional | Dual-function pin. Either connected through an NTC resistor to ground for over-temperature shutdown/latch control, or connected through a Zener to VDD for adjustable over-voltage protection. Sources ~100 uA (IRT); OTP threshold ~1 V; external OVP threshold ~4 V. |+| 4 | CS | input | Current-sense input for cycle-by-cycle peak-current control. Internal current-limit threshold ~0.75 V at zero duty cycle; CS clamp ~0.9 V; leading-edge blanking ~220 ns; input impedance ~40 kOhm. |+| 5 | VDD | power_in | Power supply pin. Recommended operating range 12-25 V; absolute max 30 V DC. UVLO(ON) ~9 V, UVLO(OFF) ~15.3 V. Startup current ~5 uA; operating current ~1.8 mA. Internal Zener clamp ~32 V (Vdd_clamp) and OVP ~28 V. |+| 6 | GATE | output | Totem-pole gate driver output for the external power MOSFET. Output clamp ~12 V; VOH ≥ 6 V @ 20 mA; VOL ≤ 1 V @ 5 mA. Rise/fall times ~175 ns / 85 ns into 1000 pF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | OB On Bright Elec |+| Package | SOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `OB2273MP`+- `OB2273MPAP`++## CAD (KiCad official)++- Symbol: `OB2273MP`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [OB On Bright Elec datasheet](docs/ob2273mp-datasheet.pdf) (12 pp, sha256 `1b0c18884f0cf7d9`, 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/ob2273mp-datasheet.pdf)

@@ -0,0 +1,34 @@+{+  "slug": "ob2273mp",+  "version": "0.1.0",+  "type": "component",+  "description": "OB On Bright Elec AC-DC Controllers and Regulators, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "pmic",+    "ob2273mp"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ob2273mp.kicad_sym",+    "ob2273mp.kicad_mod",+    "ob2273mp.glb",+    "ob2273mp.step",+    "ob2273mp.lbr",+    "docs/hero.png",+    "docs/ob2273mp-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "visibility": "public",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file