Evaluation Kit Manual - Revision A
Each PhlatLight? device in the kit has its own separate heat sink,
cable assembly and driver card allowing easy interfacing to a
wide variety of light engines or optical elements. This evaluation
kit is designed for general purpose evaluation of PhlatLight? de-
vices. This kit is therefore not optimized for space or power effi-
ciency. Heat sinks and drivers included in the evaluation kit are
not intended to represent reference designs for final products.
However, they can be used as starting points for further custom-
ization and optimization. The driver boards include functionality
which is intended to make evaluation easy. Therefore, not all
functionality included on the board will be needed in a product
design.
PhlatLight? devices can be operated in continuous (CW) mode or
pulsed mode. In continuous mode operation the device is driven
by a steady current. In pulsed mode the device is pulsed with a
peak current value for intervals of time defined by a duty cycle.
A 50% duty cycle means that the device is driven for 50% of the
time at specified peak current. A 100% duty cycle will actually be
a case of continuous operation. The driver card is designed to op-
erate in both CW and pulsed modes.
Test points are provided on the driver card so that the device for-
ward voltage, current, thermistor, and various other circuit func-
tions can be monitored. The circuit layout uses 0805 and 1206
size components to encourage modification and experimentation
as required by the user.
3. Evaluation Kit Contents
The evaluation kit contains:
1. Thermal management solution
a. Heat sinks with fans (with < 0.3 °C/W thermal resistance
from heat sink to ambient)
b. Thermal interface material (eGraf thermal pads)
2. Electrical interface to PhlatLight? devices
a. Cables to connect tabs on devices to driver circuit
b. Driver card for controlling operation for PhlatLight? devices
*Typically at least 2 chipsets are purchased with the evaluation
kit
A. Heat Sink Module
The heat sink module (Figure 1) consists of an air cooled heat
sink, fan, connector and mounting bracket. The module can be
bolted say to a light engine using four mounting holes on the
bracket or stand upright on the bench using the optional stand-
alone legs. All connections for driving the device, fan, and read-
outs for thermistor are made via a 10 pin Weidmuller 3.5mm
pitch Omnimate connector. The module is designed to work with
the Luminus driver card or can be used with the customers own
driver along with a +12V supply for powering the fan. The Omni-
mate connector plug has screw clamps to allow for easy wiring.
All the heat sink modules are similar and are not specific to a par-
ticular device type or color.
Confidential ? Luminus Devices, Inc. - All Rights Reserved
Page 2
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