EA8252O8R

@@ -0,0 +1,48 @@+# EA8252O8R++**Everanalog IC design** · DC-DC Converters · SOP-8++EA8252O8R from Everanalog IC design, in a SOP-8. 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 | BOOT | power_in | Power input for the internal high-side N-MOSFET gate driver. Connect a 33nF ceramic capacitor from BOOT to SWITCH. Absolute range VSWITCH-0.3V to VSWITCH+6.3V. |+| 2 | PWR | power_in | Main power input to the EA8252 (4.5V to 18V, abs max +20V). Bypass with two 10uF MLCCs to GND; if using electrolytics, add a 0.1uF ceramic close to the pin to suppress noise. |+| 3 | SWITCH | output | Internal MOSFET switching node output. Connect to an external L-C low-pass filter to produce the regulated DC output voltage. Absolute rating -1V to +20V. |+| 4 | GND | power_in | Ground reference for the controller and low-side MOSFET return. |+| 5 | FBK | input | Feedback input to the internal error amplifier. Connect a resistor divider from VOUT to FBK to GND to set the output voltage; internal reference VREF = 0.765V (typ). Abs max -0.3V to +6.3V. |+| 6 | NC | unconnected | No connect. Leave floating or tie to ground; not internally bonded to any function. |+| 7 | RUN | input | Enable / on-off control input. VIL <= 0.4V (off), VIH >= 2V (on). Internal 950kΩ pull-down to GND. For automatic startup, tie to PWR through a 150kΩ pull-up. Abs max -0.3V to +20V. |+| 8 | SST | passive | Soft-start programming pin. Connect a ceramic capacitor from SST to GND; the pin sources 5.5uA (typ) to set the soft-start ramp time. Abs max -0.3V to +6.3V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Everanalog IC design |+| Package | SOP-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `EA8252O8RO8R`+- `EA8252O8RP8R`++## CAD (KiCad official)++- Symbol: `EA8252O8R`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Everanalog IC design datasheet](docs/ea8252o8r-datasheet.pdf) (7 pp, sha256 `58069a748d5b4547`, 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/ea8252o8r-datasheet.pdf)

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