Silan SC7LC32 long distance light sensor

SC7LC32 is an integrated low-voltage ambient light and proximity sensor in a miniaturized leadless SMD HLGA package with a built-in infrared emitting laser diode (VCSEL) and I2C communication interface. Its ambient light sensing function can provide reliable support for backlight brightness adjustment,and it also has infrared detection capabilities for proximity detection and gesture recognition functions. For user convenience,it can also be set to interrupt mode.

For ambient light detection,SC7LC32 maintain linearity within the dynamic range of 0.01lux to 128klux,which makes it suitable for various lighting environments,whether it is in a bright environment under direct sunlight or behind dark glass. It all keeps working fine. Special processes are added during production so that its spectral response curve can perfectly fit the characteristics of the human eye.

For proximity detection,users can easily configure the drive current of the infrared-emitting laser diode through registers. In addition,SC7LC32 also has a built-in noise cancellation circuit to effectively filter out other infrared interference existing in the environment.

For gesture recognition function,SC7LC32 integrates multiple photodiodes to detect the movement of objects,and can recognize gestures in up/down and left/right directions.

SC7LC32 integrates a carefully designed temperature compensation circuit to ensure good temperature stability,and the internal refresh frequency can be maintained stable without external components. It can be put into standby mode through software control to save power consumption. The supply voltage range of SC7LC32 is 1.7V to 3.6V.

main feature

• VDD voltage range: 1.7~3.6V

• VLED voltage range: 2.8-3.6V

• Read brightness data directly

• Ultra-low power consumption as low as 100uA

• High dynamic range: 0.01 ~ 128klx

• High precision: 16bits

• Programmable laser diode drive current: 2.5~100mA

• Automatically suppress 50/60Hz flicker noise

• 2D gesture recognition

• Built-in infrared 940nm 13MIL VCSEL

• Package: HLGA-3.94mm*2.35mm*1.35mm

Product specification classification

Internal block diagram