Connexa
The Connexa is a compact, high-reliability M.2 Key A/E USB 2.0 hub module. Designed for embedded systems, UAVs, and robotics, it expands a single USB interface into multiple high-speed ports using a robust and space-efficient layout.
General
- Built around the Microchip USB2514B USB 2.0 hub controller.
- Provides two downstream USB 2.0 ports over JST-SH connectors.
- M.2 Key A/E form factor ensures compatibility with many embedded and compute platforms.
- Lightweight and compact — ideal for space- and power-constrained systems.
Mechanical
- Weight: ~5 [g]
- Dimensions: 22 mm × 42 mm (standard M.2 2242 Key A/E)
- Mounting: M2 screw mount
Electrical
General
- Interface: M.2 Key A/E (USB 2.0)
- Connectors: 4× downstream USB 2.0 ports via two JST-SH 6-pin connectors
- USB Standard: USB 2.0 (480 Mbps)
Electrical Pinout
USB1 + USB2
-
Connector Definition
Type Part Number Part Name Board Connector SM06B-SRSS-TB JST-SH Cable Connector SHR-06V-S-B JST-SH -
Connector Pinout
Pin Name Description 1 VCC 5 V output 2 D1N USB Data − (port 1) 3 D1P USB Data + (port 1) 4 D2N USB Data − (port 2) 5 D2P USB Data + (port 2) 6 GND Ground
USB1 + USB2
-
Connector Definition
Type Part Number Part Name Board Connector SM06B-SRSS-TB JST-SH Cable Connector SHR-06V-S-B JST-SH -
Connector Pinout
Pin Name Description 1 VCC 5 V output 2 D1N USB Data − (port 3) 3 D1P USB Data + (port 3) 4 D2N USB Data − (port 4) 5 D2P USB Data + (port 4) 6 GND Ground
Software
- Fully plug-and-play — no drivers required on Windows, Linux, or macOS.
Integration Steps
- Insert Connexa into an M.2 Key A/E slot and secure with screw.
- Connect USB peripherals to the JST-SH ports using breakout cables or custom harnesses.
- USB ports will enumerate automatically as a USB 2.0 hub under the host OS.