From e67ad52f2b52c16980e3fa562bda0abb24ad3cff Mon Sep 17 00:00:00 2001
From: Piers Finlayson <piers@piers.rocks>
Date: Sat, 7 Nov 2026 15:00:12 +0000
Subject: [PATCH] Request PID 1209:F543 for USB PPPS Hub

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 create mode 100644 1209/F543/index.md

diff --git a/1209/F543/index.md b/1209/F543/index.md
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+---
+layout: pid
+title: USB PPPS Hub
+owner: piers.rocks
+license: CERN-OHL-W-2.0
+site: https://github.com/piersfinlayson/usb-ppps-hub/
+source: https://github.com/piersfinlayson/usb-ppps-hub/
+---
+A 4-port USB 2.0 hub with USB-C connectors and per-port power switching (PPPS).  Linux and macOS hosts can turn each port's power on and off independently with uhubctl.  Supports bus or external power.
+
+The hub is based around Microchip's USB2514B hub controller, configured from an I2C EEPROM.