This reference design uses the MAX16823 3-channel linear LED driver and external BJTs to implement a 3S3P RCL driver circuit. Figures 1 and 2 present images of the PCB and attached heatsink; Figure 3illustrates the layout of the design; and Figure 4 provides the schematic for the circuit.
The reference design is discussed in detail below, with analysis of the main circuit blocks, design specifications, and performance data.
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Figure 1. PCB and attached heatsink.
More detailed image (PDF, 1.49MB)
Figure 2. Side view of the attached heatsink.
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Figure 3. Layout of the LED driver.
More detailed image (PDF, 116kB)
Figure 4. Schematic of the LED driver.
Maxim Devices (2)
|Part Number||Name||Product Family||Order||Design kits and evaluation modules|
|ICM7555||Low-Power, General-Purpose Timer||Clock Generation and Distribution||Buy Now||Not Available|
|MAX16823||High-Voltage, 3-Channel Linear High-Brightness LED Driver with Open LED Detection||LED Driver - LED Driver ICs||Buy Now||Design Kits|