Overview
The MPX4250DP, produced by NXP USA Inc., is a manifold absolute pressure (MAP) sensor designed specifically for turbo boost engine control in automotive systems. This sensor is a logical and economical choice for automotive system designers due to its small form factor and high reliability. It combines advanced micromachining techniques, thin-film metallization, and bipolar processing to provide an accurate, high-level analog output signal proportional to the applied pressure.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Pressure Range | 0 | - | 250 | kPa |
| Error over 0 °C to 85 °C | - | - | 1.4 % | - |
| Temperature Compensation Range | -40 | - | 125 | °C |
| Sensitivity (ΔV/ΔP) | - | - | 18.8 | mV/kPa |
| Response Time (tR) | - | - | 1.0 | ms |
| Output Source Current at Full Scale Output (Io+) | - | - | 0.1 | mA |
| Warm-up Time | - | - | 20 | ms |
| Offset Stability | - | - | ± 0.5 %VFSS | - |
Key Features
- Differential and gauge pressure applications available.
- On-chip signal conditioning, temperature compensation, and calibration.
- Patented silicon shear stress strain gauge.
- Small form factor and high reliability, making it suitable for automotive systems.
- Reduction in weight and volume compared to existing hybrid modules.
Applications
The MPX4250DP is primarily designed for turbo boost engine control in automotive systems. It is particularly useful in applications that require accurate manifold absolute pressure sensing within the intake manifold. Other potential applications include various automotive safety and control systems where precise pressure measurement is crucial.
Q & A
- What is the primary application of the MPX4250DP sensor? The MPX4250DP is primarily used for turbo boost engine control in automotive systems.
- What is the pressure range of the MPX4250DP sensor? The pressure range is from 0 to 250 kPa.
- What is the temperature compensation range of the MPX4250DP sensor? The temperature compensation range is from -40 °C to +125 °C.
- What is the sensitivity of the MPX4250DP sensor? The sensitivity is 18.8 mV/kPa.
- What is the response time of the MPX4250DP sensor? The response time is 1.0 ms.
- Does the MPX4250DP have on-chip signal conditioning? Yes, it has on-chip signal conditioning, temperature compensation, and calibration.
- What is the form factor of the MPX4250DP sensor? It has a small form factor, which reduces weight and volume compared to existing hybrid modules.
- Is the MPX4250DP suitable for automotive safety systems? Yes, it is suitable for various automotive safety and control systems.
- What is the output source current at full scale output for the MPX4250DP sensor? The output source current at full scale output is 0.1 mA.
- What is the warm-up time for the MPX4250DP sensor? The warm-up time is 20 ms.
