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SGM809-SXN3

Public Made by Adom

by adom

SGMICRO Supervisor And Reset ICs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SGM809-SXN3

SGMICRO · Supervisor And Reset ICs · SOT-23

SGM809-SXN3 from SGMICRO, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference pin for the supervisor, listed as Ground in the pin description table.
2 RESET output Active-low reset output that remains low while VCC is below the reset threshold and for 240ms (TYP) after VCC rises above the threshold; the SGM809 has a push-pull output.
3 VCC power_in Power supply voltage that is monitored by the device.

Key specifications

Parameter Value
Manufacturer SGMICRO
Package SOT-23
Category Power Management (PMIC)
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC (TA = 0℃ to +70℃) VCC 1 5.5 V TA = 0℃ to +70℃ 5
Supply voltage VCC (TA = -40℃ to +125℃) VCC 1.2 5.5 V TA = -40℃ to +125℃ 5
Supply current (SGM8_R/S/T/Z/X) 13 25 μA VCC < 3.6V, SGM8_R/S/T/Z/X, TA = +25℃ 5
Supply current (SGM8_R/S/T/Z/X) 45 μA VCC < 3.6V, SGM8_R/S/T/Z/X, TA = -40℃ to +125℃ 5
Reset voltage threshold (SGM8_S) VTH 2.857 2.93 3.003 V SGM8_S, TA = +25℃ 5
Reset voltage threshold (SGM8_S) VTH 2.78 3.08 V SGM8_S, TA = -40℃ to +125℃ 5
RESET output low (SGM803R/S/T/Z/X; SGM809R/S/T/Z/X) 0.3 V VCC = VTH(MIN), ISINK = 1.2mA 5
RESET output low (SGM809R/S/T/L/M/J/Z/X) 0.3 V VCC > 1.0V, ISINK = 50μA 5
RESET output high (SGM809R/S/T/Z/X) 0.8 × VCC VCC > VTH(MAX), ISOURCE = 500μA 5
Reset active timeout period (TA = -40℃ to +85℃) 150 240 560 ms TA = -40℃ to +85℃ 5
Reset active timeout period (TA = -40℃ to +125℃) 100 840 ms TA = -40℃ to +125℃ 5
VCC to RESET/RESET delay 20 μs VCC = VTH to (VTH, 100mV) 5
Reset threshold temperature coefficient 30 ppm/℃ 5
VCC supply voltage (absolute maximum) VCC -0.3 6 V 4
RESET, RESET voltage (absolute maximum; upper limit VCC + 0.3V) -0.3 V Upper limit printed as VCC + 0.3V 4
Input current, VCC (absolute maximum) 20 mA 4
Output current, RESET, RESET (absolute maximum) 20 mA 4
Rate of rise, VCC (absolute maximum) 100 V/μs 4
Power dissipation, SOT-23-3 PD 0.4 W TA = 25℃ 4
Package thermal resistance, SOT-23-3 (θJA) θJA 250 ℃/W SOT-23-3 4
Operating temperature range -40 125 °C 4
Junction temperature (absolute maximum) 150 °C 4
Storage temperature (absolute maximum) -65 150 °C 4

CAD (KiCad official)

  • Symbol: SGM809-SXN3
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: sgm809-sxn3-etched.step / sgm809-sxn3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sgm809-sxn3.step / sgm809-sxn3.glb are the bare package body.

Provenance

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

  • Datasheet: SGMICRO datasheet (13 pp, sha256 3ba33d0874d62803, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF