Datasheet > MAX25205

MAX25205

更新时间： 2024-11-07 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		传感器
页数	文件大小	规格书
37页	506K
描述
汽车应用手势识别传感器

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中文翻译

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MAX25205 数据手册

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MAX25205

Gesture Sensor for Automotive Applications

General Description

Benefits and Features

The MAX25205 is a low-cost data-acquisition system for

gesture and proximity sensing. The MAX25205 recog-

nizes the following independent gestures:

● Low-Cost, Flexible Gesture-Sensing Solution for

Automotive Applications

● Low-Power, Low-Cost External CPU Processes

Sensor Output

● Supports Swipe, Rotation, and Proximity Gestures

● Highly Integrated

● Hand swipe gestures (left, right, up, and down)

● Finger and hand rotation (CW and CCW)

● Proximity detection

• 60-Pixel IR Photodiode Array

• Integrated LED Driver

The proximity, hand detection, and gesture recognition

functions of the MAX25205 operate by detecting the light

reflected from the controlled IR-LED light source with an

integrated 6x10-element optical sensor array. The

MAX25205 can detect these gestures even when exposed

to bright ambient light. A low-power, low-cost CPU, such

as the MAX32630, is required to process the data from the

sensor.

• 400kHz I C and 6MHz SPI Serial Interfaces

● Operates in 120k Lux Ambient Light

● AEC-Q100 Qualified

• -40°C to +85°C Operation

• MSL1

● Ultra-Low-Power Operation

• 1mA at 3.3V

This discrete light source is created externally with one or

more FETs driven directly from the MA25205. The light

source’s PWM duty cycle is programmable from 1/16 to

16/16. The LEDs are pulsed on one or more times in a pro-

grammable sequence that is repeated for every sample.

● Compact 4mm x 4mm x 1.35mm, 20-Pin, Side-

Wettable QFN Package

Ordering Information appears at end of datasheet.

For flexibility, the MAX25205 supports two different serial

communication protocols: I C (400kHz) and SPI (6MHz).

Simplified System Diagram

MCU

The MAX25205 is available in a 4mm x 4mm, 20-pin, opti-

cal QFN package.

API

MCU

Application

Gesture

Library

USB

Applications

● Central Information Display Control

● Rear-Seat Entertainment Systems

● Door, Moon Roof, and Trunk Control

● Mechanical Switch Replacement

● Occupant Detection

UART

SPI/I2C

MAX25205

LED’s

driver

Sensor Board

19-100727; Rev 1; 9/20

12 3 4 5 6 7...37

中文翻译

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