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H7033A-1

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Shanghai Siproin Microelectronics Supervisor And Reset ICs, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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H7033A-1

Shanghai Siproin Microelectronics · Supervisor And Reset ICs · SOT-89-3

H7033A-1 from Shanghai Siproin Microelectronics, in a SOT-89-3. 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 VOUT output Detector output that is Hi-Z when VDD is above VDET(+) and pulled to VSS when VDD is at or below VDET(-); sink current is at least 1.2 mA at VOUT=0.2V with VDD=2V for the 3.3V part.
2 VIN power_in Supply and voltage sensing input with operating range 1.5V to 16V and absolute maximum of -0.3V to 16V.
3 GND power_in Ground (VSS) reference pin.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-89-3
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
Detection voltage VDET 3.234 3.3 3.366 V Ta=25℃ 6
Hysteresis width VHYS 0.02 0.05 0.1 VDET Ta=25℃ 6
Operating voltage VDD 1.5 16 V Ta=25℃ 6
Operating current IDD 2 3 μA 8V No Load 6
Output sink current IOL 1.2 2.5 mA 2V VOUT=0.2V 6
Detection voltage temperature coefficient ΔVDET/ΔTa -0.9 0.9 mV/℃ 0℃<Ta<70℃ 6
Detection voltage tolerance -2 2 % 1
Supply voltage -0.3 16 V 3
Operating temperature -40 85 ℃ 3
Storage temperature -50 125 ℃ 3
Thermal resistance, junction to ambient (SOT89) θJA 200 ℃/W SOT89; no ambient airflow, no heat sink 3
Power dissipation (SOT89) PD 0.5 W Ta=25℃ 3

CAD (KiCad official)

  • Symbol: H7033A-1
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: h7033a-1-etched.step / h7033a-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h7033a-1.step / h7033a-1.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (15 pp, sha256 47bd1a3a2d1e7049, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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