Maxim’s ECDSA DS28E35 + DS 2475 A duo that brings a ECDSA to 1-wire http://www.maximintegrated.com/en/products/embedded-security/authenticators/advisor/asymmetric.cfm Quick info links: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital …
MAX15062 : 60V, 300mA, Ultra-Small, High-Efficiency, Synchronous Step-Down, PFM, DC-DC Converter Product folder: http://www.maximintegrated.com/datasheet/index.mvp/id/7171 EvKits: 3.3 volt MAX15062AEVKIT http://www.maximintegrated.com/datasheet/index.mvp/id/8178 5 volt MAX15062BEVKIT http://www.maximintegrated.com/datasheet/index.mvp/id/8179