HG176A

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HG176A application field and working principle

HG176A is a type of magnetic sensors from Littelfuse under the category of linear, compass ICs. It is a high-sensitivity linear Hall-effect device operating from 4.5 V to 40 V and a low-power solution for applications in automotive, industrial, and consumer markets. The HG176A is rated for temperatures between -55°C and 150°C, and is superbly insensitive to temperature changes, allowing the use in automotive and industrial applications with ever changing temperatures.

HG176A has a wide range of applications. With its powerful Hall-effect sensing capability, it is widely used in applications such as speed detection, current sensing, actuators, angles measurement, and automation, which require the highest level of precision and reliability. In addition, its low-power support makes it ideal for battery-operated equipment and mobile application designs.

Working principle of HG176A

HG176A is a linear Hall-effect device that is sensitive to magnetic field strength. It works when a magnetic material is placed close to the sensor’s Hall element. As magnetic field strength increases, the start-up voltage of the Hall element increases in direct proportion. Thus, the output signal takes on a linear relationship with the magnetic field.

HG176A has a integrated circuitry for proper operation. The internal circuit will adjust the output signal with temperature compensation and current limiting. This ensures higher accuracy, lesser variations, improved immunity to EMI, and increased safety.

Conclusion

HG176A from Littelfuse is a linear Hall-effect device designed for applications such as speed detection, current sensing, angles measurement, and automation. It is a high-sensitivity, low-power solution rated for operating temperatures of -55°C to 150°C. HG176A works by detecting the magnetic field strength and the internal circuit adjusts the output signal with temperature compensation and current limiting. It is an ideal choice for designs with demanding requirements for high performance, reliability, and low-power consumption.

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