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What is in the LightCrafter 4500 EVM?
1.2.2 Driver Board
The DLP LightCrafter 4500 driver board contains the electronics to drive the DLP4500 DMD, LEDs of the
light engine, and the LED cooling fan. The driver board offers several interface options for USB, I
2
C,
trigger inputs and outputs, video input through mini-HDMI and FPD-link connector, and a system board
interface. Figure 1-6 shows the driver board block diagram of the DLP LightCrafter 4500.
Figure 1-6. DLP LightCrafter 4500 Driver Board Block Diagram
The DLP LightCrafter 4500 driver board major components are:
• DLP4500: 0.45 inch-WXGA DMD
• DLPC350: DLP4500 controller
• 32-MB parallel flash contains DLPC350 firmware and 24-bit compressed images
• TPS54620: Synchronous step-down converter serving as an LED driver capable of driving up to 5 A
per LED
• Power management:
– TPS65251: Triple output buck switcher for DLPC350 1.2-V, 1.9-V supplies and 5-V board supply.
– TPS65145: Triple output boost converter for DLP4500 8.5-, –10-, and 16-V supplies
– TPS73025: Step-down converter for DLP4500 2.5-V supply
– TLV62130: Step-down converter for 3.3-V supply
– TLV62130: Step-down converter for 5-V system board supply
– TPS79718: LDO for DLPC350 1.8-V analog supply
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DLPU011E–July 2013–Revised September 2015 DLP LightCrafter 4500 Module Overview
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