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TMR2301ALSO

Hallwee · Hall Switches · SOT-23-3L

TMR2301ALSO from Hallwee, in a SOT-23-3L. 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 VDD power_in Supply voltage pin; the datasheet specifies an operating supply range of 1.8 V to 5.5 V and an absolute maximum VDD of 6 V.
2 GND power_in Ground pin of the device (pin 2 per the SOT-23 pin assignment).
3 Out output Push-pull CMOS output that goes low when the field exceeds BOP and high when it falls below BRP, with an absolute maximum output drive current of 5 mA.

Key specifications

Parameter Value
Manufacturer Hallwee
Package SOT-23-3L
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
供电电压 (Supply voltage) VDD 1.8 5.5 V 工作状态 2
输出低电平 (Output low voltage) VOL 0.008 0.05 V IOUT =1mA 2
供电电压 (Supply voltage) VDD 6 V 2
反向电源电压 (Reverse supply voltage) VDD_REV -0.3 V 2
输出驱动电流 (Output drive current) IOUTPUT 5 mA 2
最高耐受磁场 (Maximum tolerable magnetic field) B 3000 Gs <5min 2
封装功耗 (Package power dissipation) PD 400 mW 2
存储温度范围 (Storage temperature range) TSTG -50 150 °C 2
结点最高耐温 (Maximum junction temperature) TJ 150 °C 2
回流焊最高温度 (Maximum reflow temperature) T reflow 260 °C 2
ESD 人体模型 (ESD HBM) ESD 8000 V 2
工作温度范围 (Operating temperature range) TA -40 125 °C 2

CAD (KiCad official)

  • Symbol: TMR2301ALSO
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: tmr2301also-etched.step / tmr2301also-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmr2301also.step / tmr2301also.glb are the bare package body.

Provenance

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

  • Datasheet: Hallwee datasheet (5 pp, sha256 1040c32d28bd6f18, retrieved 2026-10-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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