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mic803-29d4vc3-tr

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Microchip Supervisor and Reset ICs, SC-70-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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README

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MIC803-29D4VC3-TR

Microchip · Supervisor and Reset ICs · SC-70-3

MIC803-29D4VC3-TR from Microchip, in a SC-70-3. 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 GND power_in Device ground reference. Connect to system ground (0V).
2 /RESET output Active-low, open-drain reset output. Asserts low when VCC falls below the reset threshold VTH (2.93V nominal for the -29 option) and remains asserted for one reset timeout period (1120 ms min for the D4 option) after VCC rises back above VTH. Requires an external pull-up resistor (typ. 100 kΩ) to VCC or another supply ≤5.5V. Guaranteed valid with VCC as low as 1.0V. VOL ≤ 0.4V at ISINK = 3.2 mA (VCC ≥ 4.0V); VOL ≤ 0.3V at ISINK = 1.2 mA (VCC ≥ 2.5V); leakage ≤1 µA when deasserted. Max output current 20 mA.
3 VCC power_in Power supply input and monitored voltage. Operating range +1.0V to +5.5V (absolute max +6.0V). Typical supply current 4.5 µA at 3.6V. A 0.1 µF bypass capacitor close to this pin is recommended for additional transient immunity.

Key specifications

Parameter Value
Manufacturer Microchip
Package SC-70-3
Category PMIC
Pins 3

Ordering variants

  • MIC803-29D4VC3-TR
  • MIC803-29D4VC3-TRM3
  • MIC803-29D4VC3-TR29D4VM3
  • MIC803-29D4VC3-TR29D4VM3-TR

CAD (KiCad official)

  • Symbol: MIC803-29D4VC3-TR
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SC-70-3 (KiCad packages3D, STEP)
  • 3D model files: mic803-29d4vc3-tr-etched.step / mic803-29d4vc3-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic803-29d4vc3-tr.step / mic803-29d4vc3-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip datasheet (None pp, sha256 96c9285fadb8d26a, 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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