Quality Standards and Environmental Certifications
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Chopper-Stabilized Two-Wire Hall-Effect Switches

A1150, A1152, A1153, A1155, A1156, A1157, A1158

Allegro 2-Pin SIP UB Package

The A115x family provides a cost-effective solution for two-wire Hall-effect switching, with chopper stabilization for enhanced temperature stability and a variety of package options for design flexibility.

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Top Features

Packaging

  • 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
  • Extended Operating Ambient temperature range, -40°C to 150°C
  • UB package option with integrated 0.1 µF bypass capacitor
  • -F option: Factory set temperature coefficient (TC) for use with ferrite magnets

All family members are offered in three package styles. The LH is a SOT-23W style, miniature, low profile package for surface-mount applications. The UA is a 3-pin, ultra-mini, single inline package (SIP) for through-hole mounting. The UB is a 2-pin, ultra-mini, single inline package (SIP) for through-hole mounting. All three packages are lead (Pb) free, with 100% matte tin leadframe plating.

3-pin SOT23-W 2 mm x 3 mm x 1 mm (suffix LH)

LH Package Documentation

 

3-pin ultramini SIP 1.5 mm x 4 mm x 3 mm (suffix UA)

UA Package Documentation

 

2-pin ultramini SIP 1.5 mm x 4 mm x 4 mm (suffix UB)

UB Package Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

Filter Document Type:
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All Types Application Note Guide Technical Article
Documents Found: 32
Document Type Document Name
Application Note
Allegro Microsystems - Chemical Exposure of Devices
Application Note
Handling, Storage, and Shelf Life of Semiconductor Devices
Application Note
Allegro Hall-Effect Sensor ICs
Application Note
Vehicle Safety Systems
Guide
Guidelines for Designing Subassemblies Using Hall-Effect Devices
Guide
Hall-Effect IC Applications Guide
Technical Article
Soldering Methods for Allegro Products (SMD and Through-Hole)