MAX25205

Gesture Sensor for Automotive Applications

Automotive Low Cost IR Based Gesture Sensor


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说明

The MAX25205 is a low-cost data-acquisition system for gesture and proximity sensing. The MAX25205 recognizes the following independent gestures:

  • Hand swipe gestures (left, right, up, and down)
  • Finger and hand rotation (CW and CCW)
  • Proximity detection

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.

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 programmable sequence that is repeated for every sample.

For flexibility, the MAX25205 supports two different serial communication protocols: I2C (400kHz) and SPI (6MHz).

The MAX25205 is available in a 4mm x 4mm, 20-pin, optical QFN package.

关键特性

  • 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
    • 60-Pixel IR Photodiode Array
    • Integrated LED Driver
    • 400kHz I2C and 6MHz SPI Serial Interfaces
  • Operates in 120k Lux Ambient Light
  • AEC-Q100 Qualified
    • -40°C to +85° C Operation
    • MSL3
  • Ultra-Low-Power Operation:
    • 1mA at 3.3V
  • Compact 4mm x 4mm x 1.35mm, 20-Pin, Side-Wettable QFN Package

应用

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请查看具体的参数规格 Gesture Sensors (1)


Part NumberIntegrated LEDsISUPPLY
(µA)
Shutdown Mode Supply Current
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Resolution
(bits)
SNR
(dB)
Oper. Temp.
(°C)
Package/Pins
typtypminmaxADC
MAX25205 NEW!01000133.61280-40 to +105
QFN/20

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX25205EVKIT: Evaluation Kit for the MAX25205

质量和环境数据

申请可靠性报告: MAX25205 
无铅封装的锡(Sn)晶须报告
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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