Allegro’s Hall-Effect Switch and Latch ICs with ADAS Safety

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Hall-effect sensor ICs  are engineered to operate in the harshest environments with minimal external components

 

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The APS11450 is a three-wire planar Hall-effect sensor integrated circuit (IC) developed in accordance with ISO 26262 (pending assessment). It includes internal diagnostics and a fault state that supports functional safety. The enhanced three-wire interface provides interconnect open/short diagnostics and a fault state to communicate diagnostic information while maintaining compatibility with legacy three-wire systems. The continuous background diagnostics are transparent to the host system and results in a reduced fault tolerant time.

The APS12450 is a three-wire planar Hall-effect sensor integrated circuit (IC) developed in accordance with ISO 26262 (pending assessment). It includes internal diagnostics and a fault state that support functional safety. The enhanced three-wire interface provides interconnect open/short diagnostics and a fault state to communicate diagnostic information while maintaining compatibility with legacy three-wire systems. The continuous background diagnostics are transparent to the host system and results in a reduced fault tolerant time.

 

Features:-

  • Functional safety
    • Integrated background diagnostics for signal path, regulator, Hall plate and bias, overtemperature detection, and nonvolatile memory
    • Defined fault state
  • Multiple product options
    • Magnetic polarity, switchpoints, and hysteresis
    • Temperature coefficient
    • Output polarity
  • Reduces module bill-of-materials (BOM) and assembly cost
  • Automotive-grade ruggedness and fault tolerance
    • Extended AEC-Q100 Grade 0 qualification Operation to 175°C junction temperature
    • 3 to 30 V operating voltage range
    • ±8 kV HBM ESD
    • Overtemperature indication.

 

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