[Big Plan] After market verification, Dalian vigorously promotes Lingyao Technology's proximity + ambient light sensor

Latest update time：2015-05-26

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After market verification, Dalian vigorously promotes Lingyao Technology's proximity + ambient light sensor

On May 14, 2015, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Quan Ding is promoting Lingyao Technology's highly integrated sensor, CM36686. The sensor not only integrates a proximity sensor (PS) and an ambient light sensor (ALS), but also packages a high-power IrLED together.

CM36686 uses Capella's patented Filtron™ technology to achieve spectral sensitivity that is closest to the human eye's response to ambient light, and provides the best background light elimination capability (including sunlight), and is equipped with temperature compensation capability to maintain stable output at different temperatures. Both ALS and PS functions can be operated through a simple I2C command format (SMBus compatible). The operating voltage range is 2.5 V to 3.6 V. CM36686 is packaged in a lead-free 8-pin package, which provides the best reliability that has been verified in the market.

The 12-bit proximity sensing function uses an intelligent elimination scheme to eliminate crosstalk and accelerate the PS response time. Intelligent persistence prevents false positives of proximity sensing and maintains a fast response time. Active force mode, triggered once by one instruction, is a good way to achieve greater design flexibility to meet a variety of different applications and save power. ALS provides 16-bit high resolution to meet the needs of most developers who use dark series or high transparency lens designs in architectural design. ALS and PS programmable interrupt functions provide optimal utilization of microcontroller resources and energy saving.

Figure 1-Internal architecture of Lingyao Technology CM36686 represented by DaWan Daquan Ding

Specifications:

Operates ALS and PS in parallel structure

Filtron™ technology adoption for robust background light cancellation

Ambient Light Sensor

· High accuracy of ALS ±10%

· Fluorescent light flicker immunity

· Spectrum close to real human eye responses

· Selectable maximum detection range (855\1310\2620\5240) lux with highest sensitivity 0.01lux/step

Proximity Sensor

· Immunity to red glow (940 nm IR LED)

· Programmable ILED sink current

· Intelligent cancellation to reduce cross talk phenomenon

· Smart persistence scheme to reduce PS response time

· Selectable for 12-bit PS output data

Interrupt

· Programmable interrupt function for ALS and PS with upper and lower thresholds

· Adjustable persistence to prevent false triggers for ALS and PS

Additional Features

· Temperature compensation: -40 to 85°C

· Low power consumption I2C (SMBus Compatible) Interface

· Output type: I2C Bus (ALS/PS)

· Operation voltage of 2.5 V to 3.6 V

· Package: Molding Package

· Lead-free package (RoHS compliant)

Applications:

1. SmartPhone

2. Wareable device

3. Tablet

Figure 2-Application block diagram of Lingyao Technology CM36686 represented by Dalian Quanding

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