Features

• Dedicated low power monitoring (LPM) mode for battery monitoring applications (delta pressure

threshold accuracy +-4%)

• High accuracy pressure sensing (+-3.0 kPa), pressure range 45 to 200 kPa

• Operating ambient temperature range -40°C to 105°C

• Best in class low power consumption

• 10-, 12- or 14-bit resolution pressure and temperature values via SPI Interface

• Integrated diagnosis features for signal path and signal processing

• Green and small 4.5 mm x 5.1 mm 8-pin DFN package

• ISO 26262 Safety Element out of Context for safety requirements up to ASIL B

Potential applications

• Automotive barometric air pressure sensor (BAP)

• Automotive manifold air flow sensor (MAF)

• Automotive battery monitoring system (BMS)

• Automotive seat comfort system

• Industrial control

• Weather stations

• Altimeters

Description

The KP467 is a high-performance, high-precision miniaturized digital absolute pressure sensor based on a capacitive sensing

principle. It is surface micromachined with a monolithic integrated signal conditioning circuit.

The device converts a physical pressure into a 10-, 12- or 14-bit digital value and transmits the information via the SPI interface. In

addition, a temperature sensor is integrated on chip. Based on the received SPI command, the 10-, 12- or 14-bit temperature

information will also be transmitted via the SPI interface.

The KP467 has implemented besides a power-down mode also a particular low power monitoring (LPM) mode which allows

usage of the sensor in battery monitoring applications in order to detect pressure pulses caused by thermal runaway events. The

integrated diagnostics are a special reliability feature, which allows testing the sensor cells as well as the signal path. This

diagnosis can be triggered with a SPI command.