FXTH87 Tire Pressure Monitor Sensor Family

Overview

The FXTH87 is a highly integrated tire pressure sensor family and features:

Very small footprint in a 7 mm x 7 mm package
Very low power consumption
Very large memory size at 8 kB
Dual-axis accelerometer architecture; the XZ axis offers motion detection and tire localization capabilities

Features

QFN 7 x 7 x 2.2 mm package enables visible solder joint for inspection
100–450 kPa and 100–900 kPa pressure ranges
Z-axis or dual XZ-axis accelerometers
Accelerometer standard or precision tolerances available
Low-power wake-up timer and periodic reset is driven by LFO
Dedicated state machines for reduced power consumption
8-bit MCU/S08 core with SIM, interrupt and debug/monitor
512 Bytes RAM / 16 k Flash (8 k for NXP^® library, 8 k for applications)
Internal 315/434 MHz RF transmitter
Internal 125 kHz LF receiver
Six multipurpose GPIO pins (including two A/D inputs)

Features

QFN 7 x 7 x 2.2 mm package enables visible solder joint for inspection
100–450 kPa and 100–900 kPa pressure ranges
Z-axis or dual XZ-axis accelerometers
Accelerometer standard or precision tolerances available
Low-power wake-up timer and periodic reset is driven by LFO
Dedicated state machines for reduced power consumption
8-bit MCU/S08 core with SIM, interrupt and debug/monitor
512 Bytes RAM / 16 k Flash (8 k for NXP^® library, 8 k for applications)
Internal 315/434 MHz RF transmitter
Internal 125 kHz LF receiver
Six multipurpose GPIO pins (including two A/D inputs)

Application Notes

FXTH87xxxx6T1 TPMS Block Diagram

FXTH87xxxx6T1 TPMS Block Diagram

FXTH870x Tire Pressure Monitor Systems‎ (TPMS) Family

FXTH870x Tire Pressure Monitor Systems‎ (TPMS) Family

iPad Tire Pressure Monitoring Sensor (TPMS)

iPad Tire Pressure Monitoring Sensor (TPMS) thumbnail

FXTH87xxxx6T1 TPMS Block Diagram
FXTH870x Tire Pressure Monitor Systems‎ (TPMS) Family
iPad Tire Pressure Monitoring Sensor (TPMS)

FXTH87xxxx6T1 TPMS Block Diagram

FXTH87xxxx6T1 TPMS Block Diagram

FXTH870x Tire Pressure Monitor Systems‎ (TPMS) Family

FXTH870x Tire Pressure Monitor Systems‎ (TPMS) Family

iPad Tire Pressure Monitoring Sensor (TPMS)

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Target Applications

Automotive

Tire Pressure Monitoring System (TPMS)

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