BL8518CB3TR263DC

@@ -0,0 +1,51 @@+# BL8518CB3TR263DC++**BL Shanghai Belling** · Supervisor and Reset ICs · SOT-23++BL8518CB3TR263DC from BL Shanghai Belling, in a SOT-23. 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 | VSS | power_in | Ground reference pin. Tie to system 0 V / GND. |+| 2 | VOUT | output | Voltage-detection output, active-low CMOS push-pull (C suffix). Drives low (VSS) when VDD falls below the 2.63 V detector threshold, and returns high (equal to VDD) after Tdelay = 200 ms typical once VDD rises above the threshold. Output is undefined when VDD < VDDL (~0.5 V). |+| 3 | VDD | power_in | Supply voltage input and monitored rail. Recommended operating range 1.2 V to 6 V; absolute maximum 8 V. This is also the voltage being sensed against the internal 2.63 V threshold. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `BL8518CB3TR263DC`+- `BL8518CB3TR263DN`+- `BL8518CB3TR293DC`+- `BL8518CB3TR293DN`+- `BL8518CB3TR263DCCB3BTR263DC`+- `BL8518CB3TR263DCCB3BTR263DN`+- `BL8518CB3TR263DCCB3BTR293DC`+- `BL8518CB3TR263DCCB3BTR293DN`++## CAD (KiCad official)++- Symbol: `BL8518CB3TR263DC`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl8518cb3tr263dc-datasheet.pdf) (7 pp, sha256 `4f4f63773eb3a024`, 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/bl8518cb3tr263dc-datasheet.pdf)

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