TMG39923 datasheet(2/96 Pages) OSRAM

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ams Datasheet

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[v1-06] 2018-Feb-27

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TMG3992

Gesture, Color, ALS, and Proximity

Sensor Module with mobeam™

Barcode Emulation

The device features advanced Gesture detection, Proximity

detection, Digital Ambient Light Sense (ALS), Color Sense

(RGBC), and optical pattern generation/transmission for

broadcast. The slim modular package,

2.0mm × 3.95mm × 1.36mm, incorporates an IR LED and factory

calibrated LED driver.

Gesture detection utilizes four directional photodiodes to

sense reflected IR energy (sourced by the integrated LED) to

convert physical motion information (i.e. velocity, direction and

distance) to a digital information. The architecture of the

gesture engine features automatic activation (based on

Proximity engine results), ambient light subtraction, cross-talk

cancelation, dual 8-bit data converters, power saving

inter-conversion delay, 32-dataset FIFO, and interrupt driven

I2C communication. The gesture engine accommodates a wide

range of mobile device gesturing requirements: simple

North-South-East-West gestures or more complex gestures can

be accurately sensed. Power consumption and noise are

minimized with adjustable IR LED timing.

The Proximity detection feature provides object detection (E.g.

mobile device screen to user’s ear) by photodiode detection of

reflected IR energy (sourced by the integrated LED).

Detect/release events are interrupt driven, and occur whenever

proximity result crosses upper and/or lower threshold settings.

The proximity engine features offset adjustment registers to

compensate for system offset caused by unwanted IR energy

reflections appearing at the sensor. The IR LED intensity is

factory trimmed to eliminate the need for end-equipment

calibration due to component variations. Proximity results are

further improved by automatic ambient light subtraction.

The Color and ALS detection feature provides red, green, blue

and clear light intensity data. Each of the R, G, B, C channels

have a UV and IR blocking filter and a dedicated data converter

producing16-bit data simultaneously. This architecture allows

applications to accurately measure ambient light and sense

color which enables devices to calculate illuminance and color

temperature, control display backlight, and chromaticity.

mobeam™ barcode emulation is achieved using the IRBeam

optical pattern generation/transmission feature. IRBeam is

primarily intended for 1-D barcode transmission over IR to

point-of-sale (POS) terminals. The IRBeam engine features a

1024-bit RAM for pattern storage and specialized control logic

that is tailored to repetitively broadcast a barcode pattern using

the integrated LED. The IRBeam engine features adjustable

General Description

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