Digital relative pressure sensor for side-crash and pedestrian impact detection in automotive safety systems. The device communicates over a PSI5 interface with synchronous and asynchronous Manchester transmission, integrates EEPROM for ID, calibration, and mode selection, and includes an on-chip voltage regulator. It operates from 4.5 V to 11 V across -40 °C to 125 °C, measures absolute pressure from 50.9 kPa to 126.5 kPa, and derives ambient pressure over 53.6 kPa to 110 kPa. The sensor is qualified for automotive applications, validated to AEC-Q100, and supplied in a PG-DSOF-8-16 surface-mount package.
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| Absolute Pressure Range | 50.9 to 126.5kPa |
| Ambient Pressure Range | 53.6 to 110kPa |
| Supply Voltage | 4.5 to 11V |
| Operating Temperature | -40 to 125°C |
| Protocol | PSI5 |
| Classification | ISO 26262-ready |
| Sensor Output | Relative pressure signal (Δp/p0) |
| Interface | 2-wire current modulator for Manchester communication |
| Synchronous Transmission Modes | PSI5-P10P-500/3L and PSI5-P10P-250/1L |
| Asynchronous Transmission Mode | PSI5-A10P-250/1L |
| EEPROM Support | ID number, calibration and mode selection |
| On-Chip Voltage Regulator | Yes |
| Lifetime | 15years |
| External Buffer Capacitor | 0 to 4.7µF |
| Autarky Time | 2 maxms |
| Body Size | 7.0 x 7.0mm |
| Terminal Pitch | 1.27mm |
| RoHS | Yes |
| Lead-free | Yes |
| Halogen Free | Yes |
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