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APS12800 Datasheet Two-wire Hall-effect Latch

Manufacturer: Allegro MicroSystems

Overview: APS12800 2 - Two-Wire Hall-Effect Latch with Advanced Diagnostics.

General Description

The APS12800 is a two-wire planar Hall-effect sensor integrated circuit (IC) developed in accordance with ISO 26262.

It includes internal diagnostics and a fault state that support a functional safety level of ASIL B when integrated and used in conjunction with the appropriate system-level control.

The two-wire interface provides interconnect open/ short diagnostics and a fault state to communicate diagnostic information while maintaining compatibility with legacy two-wire systems.

Key Features

  • Functional safety ▫ Developed in accordance with ISO 26262 ▫ Designed to meet ASIL B requirements ▫ Integrated background diagnostics for: ◦ Signal path ◦ Regulator ◦ Hall plate and bias ◦ Overtemperature detection ◦ Nonvolatile memory ▫ Defined fault state.
  • Multiple product options ▫ Magnetic polarity, switch points, and hysteresis ▫ Temperature coefficient ▫ Output polarity.
  • Reduces module bill-of-materials (BOM) and assembly cost ▫ ASIL B sensor can replace redunda.

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