Reference Design for a 3S3P Rear Combination Lamp (RCL) LED Driver

Feb 17 2023
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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.

Figure 1. PCB and attached heatsink.

Figure 1. PCB and attached heatsink.

Figure 2. Side view of the attached heatsink.

Figure 2. Side view of the attached heatsink.

Figure 3. Layout of the LED driver.

Figure 3. Layout of the LED driver.

Figure 4. Schematic of the LED driver

Figure 4. Schematic of the LED driver

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