TPMS sensor with Bluetooth Low Energy interface for valve and in-tire application

Ultra low power consumption

SMP290 is a fully integrated single chip solution for TPMS (Tire pressure monitoring systems), featuring microcontroller, pressure sensor, 2-axis accelerometer, temperature sensor, battery voltage sensor and Bluetooth Low Energy interface for a simplified E/E architecture.

SMP290 is suitable for valve and in-tire TPMS.

Benefits

Integrated system-on-chip solution for extra lean BOM

Current consumption in deep sleep < 0.3 μA

Enhanced low temperature operation

Battery health monitoring

Configurable high performance BLE radio output, up to 6 dBm

Tire blow-out detection

Target applications

Valve and in-tire TPMS

Technical Features


Type	Pressure sensor
Package	DFN (4.5 x 3.5 mm²)
Range	Pressure sensor: 90 kPa to 920 kPa for Passenger Car 90 kPa to 1,500 kPa for Commercial Vehicle Acceleration sensor: ax -110g – 110g (configurable -330g – 330g) az: -320g – 320g (configurable -960g – 960g)
Tolerance	≤5 kPa (pressure, incl. lifetime drift)
MCU / Memory	Energy efficient ARC EM6 32-bit µController Flash Memory 256kB RAM 64kB
Interface	BLE V5.4
Supply voltage	Ultra low power operation 3.6 V down to 1.9 V
Operating temperature	-40°C to 125°C
Cyber Security	According to ISO21434 Software development: ASPICE Level 2