Datasheet > FXTH870502DT1

FXTH870502DT1

更新时间： 2024-11-27 02:47:31

品牌	Logo	应用领域
恩智浦 - NXP		监控
页数	文件大小	规格书
2页	297K
描述
Tire Pressure Monitoring Sensors 100-900 kPa

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中文翻译

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数据手册

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FXTH870502DT1 数据手册

Sensing Solutions—Robust, Reliable Performance

FXTH870x TPMS Family

Tire Pressure Monitoring Sensors 100-900 kPa

Overview

Freescale’s FXTH870s family of tire pressure monitoring sensors (TPMS) is the smallest, fully

integrated 7 x 7 mm package footprint on the market which is 40% smaller than Freescale’s

previous-generation QFN 9 x 9 mm package. It also provides the lowest transmitting power

consumption (less than 8 mA Idd), largest customer memory size (8 kB) 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.

Target Applications

• Tire pressure monitoring

systems

• Ultra low-power wireless

sensing

Implementations

• Measures pressure for

Freescale’s portfolio with pressure ranges of 100-450 kPa and 100–900 kPa support cars

and light trucks TPMS markets. These TPMS markets are mainly regulation driven with new

mandates, resulting in significant growth. Freescale continues to produce TPMS products

that meet the latest mandates with ease to accommodate customer requirements.

passenger/light duty vehicles

• Measures dual-axis

acceleration

• Measures temperature

FXTH870x TPMS Family Block Diagram

• Measures battery voltage

• Bi-directional communication

Core

System

Memories

Sub-1 GHz Radio Transmitter

64-byte

Battery-backed

RAM

16 kB Flash

315 or 434 MHz ISM band RF Tx

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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