VL53L0X mechanical sizing information

[Hide1]

We are developing sensing device with using VL53L0X,  we will use optical lens on top of  VL53L0X  for special sensing purpose then in order to optimize lens design with effecive sensing, we would like to know dimension of both sensor and emitting chip sizing and distance from Chip to upper casing,

[Zhiyuan.Han]

Hi 

VL53L0X is designed as ranging sensor with respect to the laser safety Class 1 SPEC, this is to ensure human eye safety. Any external lens which designed for strengthen sensor ranging capability will change the light path and will cause potential risk of eye safety.   

So we don't' suggest adding lens on top of VL53L0X to keep human eye safety.

 

The datasheet and 3D file are available here VL53L0X | Product - STMicroelectronics

 

Br

Zhiyuan.Han

[Hide1]

Our purpose of adding lens is narrow FOV angle, and we will measure short distance maximize 30cm, we would like to see feasibiity study by making optical lens protitype, so need this information to desing optical lens prototype

 

 

[carlbidwell]

The VL53L0X sensor itself measures about 4.4 × 2.4 × 1.0 mm. ST’s datasheet and 3D CAD files include detailed mechanical drawings and the “exclusion zone” info you’ll need for cover-glass design. Just make sure nothing blocks the emitter or receiver openings to avoid crosstalk. If you’re using a breakout board, its size will be larger (around 13 × 18 mm).

Hope that helps!

[Hide1]

Thank you very much for your information, please advice where I can get  ST’s datasheet and 3D CAD files

this will be very helpful     Thank you 

[Zhiyuan.Han]

Hi 

The datasheet and 3D file are available here VL53L0X | Product - STMicroelectronics

 

 

Br

Zhiyuan.Han

[Hide1]

Thank you very much

[John_Kvam]

I'd like to inject a word of caution here. 

The laser in the sensor is potentially dangerous. If you focus the beam you will void the eye-safety that ST carefully built into the part. 

940nm laser does enter the eye, and you cannot see it. So you won't know to look away or protect your eyes. 

As designed the sensor spreads the light so that at any distance you can focus on, the light is defused enough to be safe. But if you focus that light, you can create a hazard.

To be safe you need to have a qualified laser expert examine your system to see if what you are doing is not hazardous.

Note that if all you want to do is narrow the FoV, you can create a blinder that cuts the light rather than focusing it. 

This technique does cut down on the distance the sensor can 'see', but it's a safe option.

- john