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A1155 - Two Wire Hall-Effect Switches

Download the A1155 datasheet PDF. This datasheet also covers the A1150 variant, as both devices belong to the same two wire hall-effect switches family and are provided as variant models within a single manufacturer datasheet.

General Description

The A1150, A1152, A1153, A1155, A1156, A1157, and A1158 comprise a family of two-wire, unipolar, Hall-effect switches, which are factory-trimmed to optimize magnetic switchpoint accuracy.These devices are produced on theAllegro™ advanced BiCMOS wafer fabrication process, which implements a high-freq

Key Features

  • AEC-Q100 automotive qualified.
  • High-speed, 4-phase chopper stabilization.
  • Low switchpoint drift throughout temperature range.
  • Low sensitivity to thermal and mechanical stresses.
  • On-chip protection.
  • Supply transient protection.
  • Reverse-battery protection.
  • On-board voltage regulator.
  • 3 to 24 V operation.
  • Solid-state reliability.
  • Robust EMC and ESD performance.
  • Industry-leading ISO 7637-2 pe.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A1150-AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
A1155-F Chopper-Stabilized Two-Wire Hall-Effect Switches Allegro
A1150 2SA1150 Toshiba Semiconductor
A1152-F Chopper-Stabilized Two-Wire Hall-Effect Switches Allegro
A1153-F Chopper-Stabilized Two-Wire Hall-Effect Switches Allegro
A1156 2SA1156 NEC

Other Datasheets by Allegro MicroSystems

Part Number Description
A1150 Two Wire Hall-Effect Switches
A1152 Two Wire Hall-Effect Switches
A1153 Two Wire Hall-Effect Switches
A1156 Two Wire Hall-Effect Switches
A1157 Two Wire Hall-Effect Switches

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
A1150, A1152, A1153, A1155, A1156, A1157, and A1158 Chopper-Stabilized, Two-Wire Hall-Effect Switches FEATURES AND BENEFITS • AEC-Q100 automotive qualified • High-speed, 4-phase chopper stabilization • Low switchpoint drift throughout temperature range • Low sensitivity to thermal and mechanical stresses • On-chip protection □ Supply transient protection □ Reverse-battery protection □ On-board voltage regulator □ 3 to 24 V operation • Solid-state reliability • Robust EMC and ESD performance • Industry-leading ISO 7637-2 performance through use of proprietary, 40 V clamping structures Continued on the next page… PACKAGES 3-pin SOT23-W 2 mm × 3 mm × 1 mm (suffix LH) 3-pin ultramini SIP 1.5 mm × 4 mm × 3 mm (suffix UA) 2-pin ultramini SIP 1.