CYONS2001 datasheet(28/35 Pages) CYPRESS

28 / 35 page

CYONS2001

Document Number: 001-44045 Rev. *G

Page 28 of 35

Laser Safety Considerations

The

CYONS2001

Laser

Navigation

SoC

and

the

CYONSLENS2000 lens are designed and tested to enable

manufacturers to achieve eye-safety certification with minimal

effort. This section provides guidelines for complying with the Class

1 emission requirements of IEC/EN 60825-1.

When installed and operated in accordance with all requirements in

this datasheet, the kit consisting of the CYONS2001 Laser

Navigation SoC and CYONSLENS2000 satisfy CDRH 21 CFR

1040 per Laser Notice 50 and IEC/EN 60825-1 Class 1.

Laser Output Power

The CYONS2001 sensor package contains an integrated

VCSEL and drive circuitry. Before shipping, Cypress adjusts the

laser output power to eye-safe levels, taking into account

specified variations in supply voltage, temperature, lens

transmission, and VCSEL polarization, and factors such as

VCSEL aging and test equipment accuracy. The output remains

within

eye-safe

limits

under

reasonably

foreseeable

single-faults, as required by the IEC standard.

From the perspective of a manufacturer, laser emission remains

within the Class 1 limit, as defined in IEC 60825-1, Edition 2,

2007, provided the following requirements are met.

■ The supply voltage applied to pins DVDD and AVDD of the SoC

must be in the range of 2.7 to 3.6 V.

■ The operating temperature must be between 5 and 45 °C.

■ The laser output power must not be increased by any means,

including but not limited to firmware, hardware, or mechanical

modifications to the sensor or lens.

■ The mechanical housing must be designed such that the

CYONSLENS2000 cannot be removed by the user.

■ The device firmware must initialize the VCSEL driver as

described in the “VCSEL Driver” chapter of the OvationONS II

Technical Reference Manual or by using the NAV or LaserNAV

User Modules in Cypress’ PSoC Designer software.

It is the responsibility of the manufacturer to ensure these condi-

tions are always met and to demonstrate end-product

compliance to the appropriate regulatory standards.

Laser Output Power Test Procedure

To verify the laser output level, follow the steps shown in the

“VCSEL Power Calibration and Verification” section of the

technical reference manual.

Registration Assistance

The mouse or end-product supplier is responsible for certifying

the end-use product with respect to the drive voltage, manuals

and

labels,

and

operating

temperature

specifications.

Additionally, for products sold in the US, a CDRH report must be

filed for each model produced, and test and inspection of the

product’s characteristics as they relate to laser safety and the

CDRH requirements must be performed.

When filing a report with the CDRH, the supplier can refer to the

product report filed by Cypress for the CYONS2xxx family of

products. The Cypress report is based on the previously-noted

limits for voltage and temperature, and describes how the sensor

design includes consideration of drive circuit failures, laser

output variation with temperature, drive circuit variation with

temperature and voltage, polarization sensitivity of molded

optics, and measurement uncertainties.

Cypress can provide assistance to customers who want to obtain

registration. Supporting documentation, including a verification

test procedure to demonstrate end-product compliance with IEC

and CDRH requirements is available.

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