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docs bl8506-48csm: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
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bl8506-48csm-etched.fit.json bl8506-48csm: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8506-48csm-etched.glb bl8506-48csm: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8506-48csm-etched.step bl8506-48csm: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8506-48csm.glb Publish 0.1.0 · Ray 2mo ago
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page.json bl8506-48csm: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md bl8506-48csm: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

BL8506-48CSM

BL Shanghai Belling · Supervisor and Reset ICs · SOT-89-3

BL8506-48CSM from BL Shanghai Belling, in a SOT-89-3. 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. CMOS push-pull output, active LOW: asserts low when VDD falls below the detection threshold (-VDET = 4.8V typ. for the -48 variant). Typical hysteresis 4%. Output delay ≤20µs.
2 VDD power_in Voltage input pin / monitored supply. Recommended operating range 0.7V to 10V (absolute max -0.3V to 10V). This is also the rail whose voltage is compared against the internal -VDET threshold.
3 VSS power_in Ground reference pin (0V) for the detector.

Key specifications

Parameter Value
Manufacturer BL Shanghai Belling
Package SOT-89-3
Category PMIC
Pins 3

Ordering variants

  • BL8506-48CSM
  • BL8506-48CSMNSM
  • BL8506-48CSMCRM
  • BL8506-48CSMNRM
  • BL8506-48CSMCRO
  • BL8506-48CSMNRO
  • BL8506-48CSMCRN
  • BL8506-48CSMNRN
  • BL8506-48CSMCT
  • BL8506-48CSMNT

CAD (KiCad official)

  • Symbol: BL8506-48CSM
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: bl8506-48csm-etched.step / bl8506-48csm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl8506-48csm.step / bl8506-48csm.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: BL Shanghai Belling datasheet (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