Datasheet > MPR03X_09

MPR03X_09

更新时间： 2022-12-17 07:31:45

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		传感器控制器
页数	文件大小	规格书
32页	302K
描述
Proximity Capacitive Touch Sensor Controller

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MPR03X_09 数据手册

MPR03X

Rev 5, 9/2009

Freescale Semiconductor

Technical Data

An Energy Efficient Solution by Freescale

Product Preview

Proximity Capacitive Touch

Sensor Controller

MPR03X OVERVIEW

The MPR03X is an Inter-Integrated Circuit Communication (I²C)

driven Capacitive Touch Sensor Controller, optimized to manage two

electrodes with interrupt functionality, or three electrodes with the

interrupt disabled. It can accommodate a wide range of

implementations due to increased sensitivity and a specialized

feature set.

MPR031

MPR032

Capacitive Touch

Sensor Controller

Bottom View

Features

•

6 µA supply current with two electrodes being monitored with

32 ms response time and IRQ enabled

Compact 2 x 2 x 0.65 mm 8-lead µDFN package

Supports up to 3 touch pads

Only one external component needed

Intelligent touch detection capacity

4 µA maximum shutdown current

1.71 V to 2.75 V operation

Threshold based detection with hysteresis

I²C interface, with optional IRQ

Multiple devices in a system allow for up to 6 electrodes (need

MPR032 with second I²C address)

8-PIN μDFN

CASE 1944

•

Top View

IRQ/ELE2

ELE1

SCL

SDA

MPR03X

V_SS

V_DD

ELE0

REXT

•

-40°C to +85°C operating temperature range

Implementations

Figure 1. Pin Connections

•

Switch Replacements

Touch Pads

Typical Applications

•

PC Peripherals

MP3 Players

Remote Controls

Mobile Phones

Lighting Controls

SCL

I C Serial

ELE0

ELE1

Interface

SDA

MPR03X

INT

REXT

75k

MPR03X with 2 Electrodes and 2 Pads

ORDERING INFORMATION

I²C Address

Shipping

Device Name

MPR031EPR2

MPR032EPR2

Temperature Range

-40°C to +85°C

Case Number

1944 (8-Pin μDFN)

Touch Pads

3-pads

0x4A

0x4B

Tape and Reel

-40°C to +85°C

This document contains a product under development. Freescale Semiconductor reserves the right to change or

discontinue this product without notice.

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