Datasheet > FXTH871502DT1

FXTH871502DT1

更新时间： 2024-11-30 02:49:15

品牌	Logo	应用领域
恩智浦 - NXP		监控
页数	文件大小	规格书
2页	206K
描述
Tire Pressure Monitoring Sensors 100-1500 kPa

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中文翻译

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数据手册

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FXTH871502DT1 数据手册

Sensing Solutions—Robust, Reliable Performance

FXTH8715 High Pressure

TPMS Family

Tire Pressure Monitoring Sensors 100-1500 kPa

Target Applications

• Tire pressure monitoring

systems

Overview

Freescale’s FXTH8715 high pressure family of tire pressure monitoring sensors (TPMS) is highly

integrated with the smallest 7 x 7 mm package footprint on the market which has a 63%

smaller footprint than Freescale’s previous-generation of SOIC 20 package developed for truck

applications. It also provides the lowest transmitting power consumption (less than 8 mA Idd),

largest customer memory size (8 kB) currently available and unique dual-axis accelerometer

architecture. Freescale’s TPMS solution integrates an 8-bit microcontroller (MCU), pressure

sensor, XZ-axis or Z-axis accelerometer and RF transmitter.

• Ultra low-power wireless

sensing

Implementations

• Measures pressure typical for

heavy duty vehicles (trucks,

buses, construction vehicles)

• Measures dual-axis acceleration

• Measures temperature

Freescale’s portfolio with pressure ranges of 100-1500 kPa support s medium and heavy duty

trucks, buses and construction vehicles for TPMS markets. These TPMS markets are mainly

driven by improved safety and fleet management requirements.

• Measures battery voltage

• Bi-directional communication

FXTH8715 TPMS Family Block Diagram

Core

System

Memories

Sub-1 GHz Radio Transmitter

315 or 434 MHz ISM band RF Tx

64-byte

Battery-backed

RAM

16 kB Flash

S08 8-bit 4 MHz

Periodic

Wake-Up Unit

512-byte RAM

Debug

Interfaces

Interrupt

Controller

26 MHz

VCO / PLL

Oscillator

Temperature

Restart

Packet Encoder

32-byte Buffer

Analog

Timers

Interfaces

Clocks

Low-, Medium- and

High- Frequency

Oscillators

Keyboard Interface

6 ch GPIOs

2 ch Timer

6 ch 10-bit ADC

Periodic

Interrupt

Timer

Sensor Measurement

Interface

Internal

Reference Clocks

125 kHz Differential

LF ASK Rx

Pressure Sensor

Accelerometer

Low-Power

Timer

Temperature Sensor

中文翻译

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