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BL8506-22NRM
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BL Shanghai Belling Supervisor and Reset ICs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# BL8506-22NRM++**BL Shanghai Belling** · Supervisor and Reset ICs · SOT-23++BL8506-22NRM 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 | VOUT | output | Voltage detection output pin. N-channel open-drain, active low: pulls to VSS when VDD drops below -VDET (2.156V min / 2.200V typ / 2.244V max), releases (high-impedance) when VDD rises above +VDET. Requires an external pull-up resistor (typ. 470kΩ). Output delay TPLH ≤ 20µs. Max sink current 70mA (absolute max), typical IOUT ≈ 0.05mA at VDS=0.05V/VDD=0.7V. |+| 2 | VSS | power_in | Ground reference pin. Common return for VDD supply and the open-drain output transistor source. |+| 3 | VDD | power_in | Voltage input / supply pin and the monitored voltage rail. Recommended operating range 0.7V-10V (absolute max -0.3V to 10V). Also the sensed node whose value is compared against the internal reference to produce the detector output. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `BL8506-22NRMNRM`+- `BL8506-22NRMCRM`+- `BL8506-22NRMNRN`+- `BL8506-22NRMCRN`+- `BL8506-22NRMNRO`+- `BL8506-22NRMCRO`+- `BL8506-22NRMNSM`+- `BL8506-22NRMCSM`+- `BL8506-22NRMNT`+- `BL8506-22NRMCT`++## CAD (KiCad official)++- Symbol: `BL8506-22NRM`+- 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/bl8506-22nrm-datasheet.pdf) (19 pp, sha256 `7579ec6f6d30b5a6`, 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/bl8506-22nrm-datasheet.pdf)
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