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The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in an internal combustion engine’s electronic control system.
MAP sensors are frequently used in fuel-injected engines. The engine’s electronic control unit receives instantaneous manifold pressure information from the manifold absolute pressure sensor (ECU).
The information is used to determine the air density and air mass flow rate of the engine, which in turn determines the amount of fuel that must be injected into it for optimal combustion (see stoichiometry) and affects the timing of the ignition advance or retard.
An alternate method for detecting the intake airflow in a fuel-injected engine is to utilize a mass airflow sensor (MAF sensor).
The conventional configuration of a naturally aspirated engine uses either one or the other, however forced induction engines typically utilize both; a MAF sensor on the cold air intake leading to the turbo and a MAP sensor on the intake tract post-turbo before the throttle body.
The Global Manifold Absolute Pressure Sensor Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The infineon technologies produced MAP (Manifold absolute pressure) sensor which offers high pressure accuracy, functionality, and automotive qualification for applications in the automotive industry.
Diesel, gasoline, and 2-wheel (motorcycle) engines frequently use MAP (Manifold Air Pressure) sensors in a variety of automotive applications to provide data to the engine’s electronic control unit (ECU).
An engine’s pressure range is measured by a manifold absolute pressure sensor in order to optimize fuel injection. A MAP sensor’s typical pressure range is 1 to 4 bars. A pressure range of up to 4 bar is utilized for turbocharged engines, whereas a pressure range of 1-2 bar is typical for 2-wheeler applications or non-turbo automobile engines.
Diesel or gasoline turbo engines are the most common applications for turbo MAP sensors, sometimes referred to as turbo boost MAP sensors. This kind of manifold absolute pressure sensor’s job is to gauge the engine’s turbocharging system’s pressure.
Digital turbo MAP sensors provide the use of an external temperature sensor that is directly attached to the turbo MAP sensor and communicate using the single edge nibble transmission (SENT) protocol (with a negative temperature coefficient or NTC).
