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GH1543A

Public Made by Adom

by adom

GoChip Elec Tech Shanghai Hall Switches, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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GH1543A

GoChip Elec Tech Shanghai · Hall Switches · SOT-89

GH1543A from GoChip Elec Tech Shanghai, in a SOT-89. 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 VCC power_in IC power supply input, with a recommended supply voltage range of 3.8 V to 30 V.
2 GND power_in IC ground reference pin.
3 OUT output Open-collector switched output, rated for continuous 25 mA sinking current and up to 50 mA maximum, with output leakage of 10 µA max at VCE = 30 V.

Key specifications

Parameter Value
Manufacturer GoChip Elec Tech Shanghai
Package SOT-89
Category Magnetic Sensors
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 3.8 30 V 3
Ambient Temperature TA -40 150 oC 3
Output Current IO 50 mA 3
Operating Temperature TA -40 150 oC 3
Storage Temperature Range TSTG -65 150 oC 3
Power Dissipation PD 500 mW TA=25oC 3
Supply Voltage VCC 3.8 V 3
Supply Current ICC 4 10 mA VCC=3.8V to 30V 3
Output Leakage Current IOL 0.1 10 µA VCE=30V 3
Output Saturation Voltage VSAT 150 400 mV IOUT=25mA 3
Hysteresis BHYS 25 50 75 Gauss VCC=12V, TA=25oC 3
Rise Time tr 1.5 µs RL=820Ω, CL=20pF 3
Fall Time tf 1.5 µs RL=820Ω, CL=20pF 3

CAD (KiCad official)

  • Symbol: GH1543A
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: gh1543a-etched.step / gh1543a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gh1543a.step / gh1543a.glb are the bare package body.

Provenance

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

  • Datasheet: GoChip Elec Tech Shanghai datasheet (4 pp, sha256 43e0ff08e4a101ba, retrieved 2026-10-19, 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