Tire Pressure Monitor Sensor | NXP Semiconductors

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NTM88 is the recommend family for new designs as the FXTH87E family is discontinued.

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

Data Sheet

Reference Manual

Product Details

Block Diagram

FXTH87E TPMS Family Block Diagram

Get diagram PDF

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)

Part numbers include: FXTH87EG11D, FXTH87EH116, FXTH87EH11D, FXTH87EH226, FXTH87EK116.

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-5 of 19 documents

^{Data Sheet}
FXTH87EK116, Tire Pressure Monitor Sensor - Data sheet

PDFRev 2.1Jun 25, 2021847.3 KBFXTH87EK116English
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^{Reference Manual}
FXTH87E, Family of Tire Pressure Monitor Sensors - Reference Manual
PDFRev 6.1Jun 22, 20212.0 MBFXTH87ERMEnglish
Supported Parts
^{Application Note}
AN5149: Field Software Updates Using TPMS LF Application Note

PDFRev 4May 24, 20233.5 MBAN5149English
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^{Application Note}
AN12524: Migration from FXTH87/87E to NTM88 Application Note

PDFRev 4May 9, 2022228.8 KBAN12524English
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^{Application Note}
AN4391: Using the FXTH87 and NTM88 Family of LF Receivers for TPMS Applications Application Note

PDFRev 1.1May 2, 20222.0 MBAN4391EnglishAssociated File: AN4391SW
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^{Application Note}
AN13371: TPMS Clocks Calibration Application Note

PDFRev 1Oct 1, 2021316.9 KBAN13371English
^{Application Note}
AN13321: TPMS FLASH Protection and Security Application Note

PDFRev 1.0Jul 22, 2021220.3 KBAN13321English
^{Application Note}
AN12523: Firmware Versus Library Model Applications Application Note

PDFRev 3Mar 24, 2021386.5 KBAN12523English
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^{Application Note}
AN12519: Implementing Post-Assembly TPMS Sensor Calibration Application Note

PDFRev 1Jul 1, 2019190.7 KBAN12519English
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^{Application Note}
AN5322: TPMS Wheel Location Introduction and Main Concepts Application Note

PDFRev 1.0Jan 25, 20176.7 MBAN5322English
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^{Application Note}
Using the Kinetis KW01 as the Receiver for the FXTH870xD TPMS Sensor

PDFRev 0Aug 11, 20151.4 MBAN5136EnglishAssociated File: AN5136SW1 AN5136SW2 AN5136SW3
^{Application Note}
AN4277. Interfacing to Freescale’s FXTH87xx In-Flash Firmware Routines Using C-language Constructors
PDFRev 1Oct 22, 201482.2 KBAN4277EnglishAssociated File: AN4277SW
Supported Parts
^{User Guide}
FXTH87xx22 Embedded Firmware User Guide - User Guide

PDFRev 3Aug 17, 2022589.7 KBFXTH87XX22FWUGEnglish
^{User Guide}
FXTH87xx11 and FXTH87xx12 Embedded Firmware User Guide - User Guide
PDFRev 3Aug 17, 2022547.8 KBFXTH87XX1XFWUGEnglish
Supported Parts
^{User Guide}
UM11325: Installing and Using CodeWarrior IDE for TPMS for FXTH87, FXTH87E and NTM88 User Manual

PDFRev 1Jan 9, 20209.1 MBUM11325English
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^{User Guide}
FXTH87xx02 Embedded Firmware User Guide - User Guide
PDFRev 2.2Apr 5, 2017464.2 KBFXTH87XX02FWUGEnglish
Supported Parts
^{Application Note Software}
AN4277SW, Accompanying software for AN4277

EXERev 1.2.0.2Oct 22, 2014417.8 KBAN4277SWEnglish
^Errata
FXTH87Ex Errata Sheet

PDFRev 1Dec 10, 2022ES_FXTH87ExEnglish
^{Fact Sheet}
TPMS Selector Guide Fact Sheet

PDFRev 0Jan 25, 2021316.7 KBFXTH87A4FSEnglish

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Design Resources

Design Files

Quick reference to our design files types.

4 design files

Receive the full breakdown. See the product footprint and more in the eCad file.

^{Printed Circuit Boards and Schematics}
GRB-TPMS-FXTH870911-315

ZIPRev DJun 9, 2015 00:00:00311.2 KBGRB-TPMS-FXTH870911-315
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^{Printed Circuit Boards and Schematics}
GRB-TPMS-FXTH870911-434

ZIPRev DJun 9, 2015 00:00:00312.1 KBGRB-TPMS-FXTH870911-434
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^{Printed Circuit Boards and Schematics}
Schematic TPMS FXTH870911 315MHz

PDFRev DJun 9, 2015 00:00:0055.4 KBSCH-TPMS-FXTH870911-315
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^{Printed Circuit Boards and Schematics}
Schematic TPMS FXTH870911 434MHz

PDFRev DJun 9, 2015 00:00:0055.7 KBSCH-TPMS-FXTH870911-434
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Software

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1-5 of 8 software files

^{Application Example Software}
FXTH87E RX TX x/rev^{(REV 2.0)}

ZIPRev 2.0Aug 12, 2019 14:55:001.5 MBFXTH87E-RX-TX
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^{Code Snippets}
2.4 GHz Bootloader for FXTH87E and MKW41Z^{(REV 1.0)}

ZIPRev 1.0Feb 6, 2020 10:10:006.3 MBBootloader_2.4GHz_FXTH87E_KW41Z
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^Libraries
NEW_TPMS_LFOCAL Library

ZIPRev 4.0Oct 4, 2021 14:55:00615.6 KBNEW_TPMS_LFOCAL_Lib
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^Libraries
FXTH87E Configurable x-Meas Libraries^{(REV 3.0)}

ZIPRev 3.0Aug 12, 2019 13:54:001.9 MBTPMS-FXTH87E-CFGLIB
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^{Demo Software}
TPMS Demo BLE Beacons by GenFSK

ZIPRev 1.0Oct 2, 2019 14:41:0011.5 MBTPMS-DEMO-BLE-GENFSK
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^{Demo Software}
TPMS + BLE Demo Package

ZIPRev 3.0Feb 15, 2019 12:25:007.3 MBNXP_TPMS_BLE_Demo
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^{Debugging and Visualization Tools}
Starter Package for FXTH87/E and MKW01

ZIPRev 1.0Sep 20, 2019 13:30:0022.9 MBFXTH-STARTER-PACKAGE
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^{Debugging and Visualization Tools}
NXP Sensor GUI

ZIPRev 4.0.3.5Jan 16, 2017 14:48:00176000 KBSENSOR-GUI-R4
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FXTH87E Tire Pressure Monitor Sensor (TPMS) Family

Product Details

Block Diagram

FXTH87E TPMS Family Block Diagram

Features

Applications

Automotive

Buy/Parametrics

Documentation

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Design Resources

Design Files

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GRB-TPMS-FXTH870911-315

GRB-TPMS-FXTH870911-434

Schematic TPMS FXTH870911 315MHz

Schematic TPMS FXTH870911 434MHz

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Software

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FXTH87E RX TX x/rev (REV 2.0)

2.4 GHz Bootloader for FXTH87E and MKW41Z (REV 1.0)

NEW_TPMS_LFOCAL Library

FXTH87E Configurable x-Meas Libraries (REV 3.0)

TPMS Demo BLE Beacons by GenFSK

TPMS + BLE Demo Package

Starter Package for FXTH87/E and MKW01

NXP Sensor GUI

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FXTH87E RX TX x/rev^{(REV 2.0)}

2.4 GHz Bootloader for FXTH87E and MKW41Z^{(REV 1.0)}

FXTH87E Configurable x-Meas Libraries^{(REV 3.0)}