AN-1030 SLG55546 as a Current Limiter with fault detection

Silego’s SLG55546 is a combination of current-limited USB port power switch with a USB 2.0 high-speed data line (D+/D-) switch and USB charging port identification circuit. The SLG55546 monitors D+ and D-, providing the correct hand-shaking protocol with compliant client devices. The following shows how the SLG55546 can be used as a simple current limit circuit without using all the BCID features.

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