FP6277XR-G1

@@ -0,0 +1,48 @@+# FP6277XR-G1++**Advanced Analog Technology** · DC-DC Converters · SOP-8-EP++FP6277XR-G1 from Advanced Analog Technology, in a SOP-8-EP. 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 | LX | power_out | Power switch output. Internally tied to the drain of the integrated high-side/low-side MOSFETs; connect to the boost inductor. Absolute max VLX = 7 V. Pins 1 and 2 are tied together internally and must both be connected. |+| 2 | LX | power_out | Power switch output (second LX pin, internally tied to pin 1). Connect together with pin 1 to the boost inductor node. Absolute max VLX = 7 V. |+| 3 | VIN | power_in | IC power supply input. Operating range 2.4 V-4.5 V (absolute max 6 V). Bypass to GND with a low-ESR ceramic capacitor. |+| 4 | EN | input | Enable control, active high. VEN ≥ 0.96 V enables the converter; VEN ≤ 0.6 V places the part in shutdown (ICC ≈ 0.1 µA). Do not leave floating. |+| 5 | GND | power_in | IC signal/analog ground. Must be tied to the exposed pad (PGND) and to the system ground plane. |+| 6 | FB | input | Error-amplifier inverting input (feedback). Regulated to the internal 0.6 V reference (VREF = 0.588 V-0.612 V). Connect to a resistor divider from VOUT to set the output voltage: VOUT = 0.6 V × (1 + R_top/R_bot). |+| 7 | OC | input | Adjustable current-limit setting. Connect a resistor from OC to GND to program the cycle-by-cycle switch current limit (typ. IOCP = 7 A; see Ocset Resistance vs Current Limit curve). Resistor must return to ground. |+| 8 | VO | power_in | Output voltage sense pin. Connect to the boost converter output rail; used internally by the MUX/bulk-well switch and load-disconnect circuitry. Absolute max 6 V. |+| EP | PGND | power_in | Exposed thermal pad / power ground. Must be soldered to the PCB ground plane and connected to GND (pin 5) for proper operation and heat dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Advanced Analog Technology |+| Package | SOP-8-EP |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `FP6277XR-G1XR-G1`++## CAD (KiCad official)++- Symbol: `FP6277XR-G1`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Advanced Analog Technology datasheet](docs/fp6277xr-g1-datasheet.pdf) (12 pp, sha256 `583d018398bfcefb`, 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/fp6277xr-g1-datasheet.pdf)

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