The APS12400 is a two-wire Hall-effect latch designed for functional safety applications, offering integrated diagnostics, a safe state output, and compatibility with legacy two-wire systems.
Product Details
Product Details
Top Features
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Developed in accordance with ISO 26262:2011
- Internal diagnostics and a defined Safe State
- Multiple product options
- Magnetic polarity, switchpoints, and hysteresis
- Temperature coefficient (supports SmCo, NdFeB, and ferrite magnets)
- Output polarity and current levels
- Reduces module bill of materials (BOM) and assembly cost
- Integrated overvoltage clamp (40 V load dump) and reverse-battery diode
- Integrated series resistor and bypass capacitor (UC package)
- Enables PCB-less sensor modules
- Automotive-grade ruggedness and fault tolerance
- Extended AEC-Q100 Grade 0 qualification
- Operation at –40°C to 175°C junction temperature
- 3 to 24 V operating voltage range
- High EMC/ESD immunity
- Overtemperature indication
Target Application
- Seat Position
- Throttle Position
- Seatbelt
- Closure Systems
- 2W-Powertrain
Part Number Specifications and Availability
Design Tools
Technical Documentation
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
Latching Switch Hall-Effect IC Basics
Guide
Guidelines for Designing Subassemblies Using Hall-Effect Devices
Guide
Hall-Effect IC Applications Guide
Technical Article