FXTH87E Tire Pressure Monitor Sensor (TPMS) Family

FXTH87E

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The FXTH87E is a highly integrated tire pressure sensor family and is providing the following features.

  • Small footprint in a 7mm x 7mm package
  • Low power consumption at 180 nA tvp (Stand-by current @ 3.0V, 25°C)
  • Large memory size at 16 kB
  • A field-proven dual-axis accelerometer architecture; the XZ axis offers motion detection and tire localization capabilities

Product Details

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Block Diagram

FXTH87E TPMS Family Block Diagram

FXTH87E TPMS Family Block Diagram
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Features

  • QFN 7 x 7 x 2.2 mm package enables visible solder joint for inspection
  • 100–500 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, free-running counter, 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)

Design Resources

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Documentation

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Design Files

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Software

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Note: For better experience, software downloads are recommended on desktop.

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