Gasoline GPF Dual-Mode Differential Pressure Sensor PCBA Module
Product Description
Gasoline GPF Dual-Mode Differential Pressure Sensor PCBA Module
[](@replace=1)Core Technology Advantages
- ▶ High-precision measurement: ±0.3%FS accuracy, industry-leading performance
- ▶ Fully autonomous process chain: Pressure chip/product solution/encapsulation process/calibration testing
- ▶ Wide range design: 50~220KPa, meeting GPF system requirements
- ▶ Absolute pressure measurement: Direct output without additional reference
- ▶ Dual signal output: Supports analog or digital signals for strong system compatibility
| Parameter | Specification | Industry Advantage |
|---|---|---|
| Measurement Range | 50~220KPa | Optimized for GPF systems |
| Operating Temperature | -40℃~140℃ | Excellent high-temperature resistance |
| Accuracy | ±0.3%FS | Industry-leading level |
| Output | Analog/Digital signal | Flexible system adaptation |
| Pressure Type | Absolute pressure | Direct absolute value output |
Product Application
This product is widely used in gasoline vehicle exhaust aftertreatment systems for Gasoline Particulate Filters (GPF). By measuring the pressure difference across the GPF, it monitors the working status and provides data for GPF regeneration and OBD diagnosis. Precise measurements enable on-demand GPF regeneration control to save fuel while also controlling low-pressure exhaust gas recirculation.
GPF Status Monitoring
Real-time monitoring of particulate accumulation to determine GPF clogging level
Regeneration Control
Trigger active regeneration based on pressure difference changes to optimize fuel economy
Emission Control
Precisely control exhaust gas recirculation to reduce pollutant emissions
Product Composition & Working Principle
The MEMS pressure sensor PCBA module consists of a pressure sensor chip, signal conditioning circuit, and connection interface, suitable for automotive engine systems, transmission systems, and exhaust treatment systems. Its primary function is to convert detected pressure signals into electrical signals for transmission to processing systems.
- MEMS pressure chip detects GPF inlet/outlet differential pressure
- Dedicated ASIC chip performs signal conditioning and temperature compensation
- Outputs standard analog/digital signals to ECU
- ECU optimizes GPF regeneration strategy based on pressure data
Market Advantages
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