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MLX92214 - General Purpose 3-Wire Hall-Effect Latch for Power Tools and Other Cost-Sensitive Applications

MLX92214 3-Wire Hall-Effect Latch
MLX92214 3-Wire Hall-Effect Latch

MLX92214 from Melexis is a lately released robust Hall-effect latch that is designed specifically for cost-sensitive applications like power tools, PCs, servers, and home appliances. With features that simplify design and ensure stable magnetic characteristics, the new latch eases magnet selection and relieves constraints on the size of the air gap; thanks to its high magnetic sensitivity.

The latch leverages mixed-signal CMOS technology and features an integrated chopper-stabilized amplifier that eliminates output offset. With a typical 2.1 mA operating current, and the wide supply-voltage range from 5.5 V down to 2.5 V, the device helps in extending the runtime of battery-powered devices.

The MLX92214 can switch at up to 10 kHz, thereby allowing high sampling frequencies for precision measurement at fast rotational speeds. The values of operating (BOP) and release (BRP) switching points are symmetrical, which ensures predictable latching characteristics and stability over the full operating temperature range. There are two temperature grades available specified from -40 °C to 125 °C and -40 °C to 150 °C.

The MLX92214 delivers the robustness of a high-quality device, thereby easing key aspects of the application design. The ESD-withstand capability of 6 kV (HBM) improves the reliability in applications such as hand tools. Additionally, the small CMOS chip size reduces susceptibility to mechanical stress.

The MLX92214 latch is in full production and is made available in a 3-pin Thin Small Outline Transistor (TSOT) surface-mount package that’s suitable for standalone PCB applications.


Features of MLX92214 

  • Low power latch 2.1 mA
  • ESD capability 6 kV
  • Cost-sensitive solution for motor control
  • Hall elements replacement
  • Leverages mixed-signal CMOS technology
  • Supports 3.3 V and 5 V (compatible with all standard microcontrollers)
  • Operating current: 2.1 mA


Note: More technical information can be found in the MLX92214 datasheet linked at the bottom of this page and on the MLX92214 product page.

Component Datasheet

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