Ultra-Small USB Fingerprint Authentication Module

As cybersecurity threats evolve, the demand for secure hardware-based authentication methods is rising to enhance the protection of sensitive data. In portable devices, traditional security methods struggle to balance compact design with high security, crucial for applications like USB dongles where space is limited but security is paramount.

This compact design is tailored for a USB dongle fingerprint authentication module, enabled by the high performance and security features of the MCU. The MCU is provided in a very small package and ensures robust security through features like TrustZone^® and a secure crypto engine. Utilizing a modern USB Type-C^® in a cost-effective setup with USB 2.0 data bandwidth/power supply range, the fingerprint sensor application is condensed to a 12mm x 12mm footprint (plus 8mm x 8mm for the USB-C connector).

System Benefits​:

• Arm^® Cortex^®-M33 MCU with TrustZone and secure crypto engine provides robust security for fingerprint authentication, ensuring protection against unauthorized access.
• Optional expansion with galvanically isolated RS-485 bus connection allows integration into industrial automation systems.
• The ultra-compact footprint design allows for integration into space-constrained applications such as USB dongles.