R200 datasheet(34/51 Pages) INTEL

34 / 51 page

System Integration

334616-001

Table 7-3. Component Case Temperature vs. Junction Temperature

Point

Component

Junction Temp (Est.)

TC1

Right IR Camera Surface

Case Temp +8oC

TC2

RGB Camera Surface

Case Temp +9oC

TC3

Left IR Camera Surface

Case Temp +8oC

There is a single embedded thermal sensor on the R200 module. This thermal sensor

has been correlated to the Laser Projector’s junction temperature. It should not be

used to correlate junction temperatures of any of the other components on the R200

module.

Table 7-4. Thermal Sensor vs. Laser Projector Junction Temperature

Item

Component

Junction Temp (Est.)

Embedded Thermal Sensor

Laser Projector

Thermal Sensor +9 ± 3°C

7.9.2

Thermal Management

The recommended strategy for thermal management is to use thin copper foil to

transfer heat away from the module. The use of flexible foil maintains the isolation of

the module from the system chassis as the foil will not apply mechanical loading on

the module. The copper foil is adhered to the back side of the module and transfers

heat to a graphite heat spreader on the system chassis rear cover or over the LCD

panel heat spreader. If the LCD panel heat spreader is used, care must be taken to

avoid overheating the LCD panel.

It is recommended to mount the module on a thermally conductive chassis

component. The thermal properties of the adhesive should be considered when

choosing an adhesive to attach the camera module to the chassis. The bracket should

contact metal in the chassis to dissipate heat and provide an ESD ground path.

Alternatively, the copper foil can provide an ESD ground path and other non-

electrically conductive adhesives can be used. While a longer bracket would help

thermal performance, the bracket should be no more than 25mm long to keep the

module isolated from chassis flex.

R200 Datasheet(PDF) 34 Page - Intel Corporation

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