1 Characteristics of BMP384
The piezo resistive membrane withstands an overpressure of up to several bar (burst pressure). This value is for the single membrane inside the package only, so a theoretical value, because this maximum value until the sensor will be damaged is much higher than the water pressure you will use e.g. 5 bar.
The possible waterproof level depends on the final 2nd integration concept, but IP67, IP68 or 5 bar is realistic if the applicable concept is used.
There is no generic integration concept. It depends on the customer experience and requirements. However, the customer has to take care that only the gel area gets in contact with the water. This is possible with an O-ring sealing, under fill or adhesive gel.
There is no difference in response time due to the gel.
There is almost no performance influence due to the gel-filled package.
BMP384 is packed according to MSL3 level.
2 Technical specifications
BMP384 has a typical current consumption of 3.4 µA @ 1 Hz for pressure and temperature.
If we are talking about maximum air pressure, maximum pressure the BMP384 can withstand is 10 bar.
The absolute accuracy is ± 0.5 hPa between 900…1100 hPa from 25…40 °C.
3 Applications and use cases of the BMP384
We are working on an application, which will be released on our website soon.
4 Tools for BMP384
Yes, an evaluation board is available via our distribution partners.
5 Availability of BMP384
BMP384 is available at all our distribution partners. You can find a list on our website at www.bosch-sensortec.de.