VL6180 datasheet(11/73 Pages) STMICROELECTRONICS

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VL6180

Overview

1.6

Recommended reflow profile

The recommend reflow profile is shown in Figure 5 and Table 3.

Figure 5. Recommended reflow profile

Note:

As the VL6180 package is not sealed, only a dry re-flow process should be used (such as

convection re-flow). Vapor phase re-flow is not suitable for this type of optical component.

The VL6180 is an optical component and as such, it should be treated carefully. This would

typically include using a ‘no-wash’ assembly process.

Table 3. Recommended reflow profile

Profile

Ramp to strike

Temperature gradient in preheat

(T= 70 - 180

C):

0.9 +/- 0.1

C/s

Temperature gradient

(T= 200 - 225

C):

1.1 - 3.0

C/s

Peak temperature in reflow

237

C - 245C

Time above 220

C

50 +/- 10 seconds

Temperature gradient in cooling

-1 to -4

C/s (-6C/s maximum)

Time from 50 to 220

C

160 to 220 seconds

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