The STSAFV10QI3WBTE1 from STMicroelectronics is an Automotive-Qualified Authentication IC that is compliant with WPC Qi 1.3/2.0 specifications. It requires an input voltage of 1.8 V or 3.3 V. This authentication IC incorporates an asymmetric cryptography scheme that features an elliptic curve digital signature algorithm (ECDSA) with SHA-256 for digital signature generation and verification of wireless charging. It benefits from highly reliable flash memory technology and has electrostatic discharge (ESD) protection of up to 4 kV. This AEC-Q100-qualified charger IC is available in a surface-mount package that measures 5 x 5 mm.