DS28E30P+

Specialized ICS Overview

The DS28E30P+ is a DeepCover Secure Authenticator utilizing the FIPS-186 ECDSA standard for bidirectional asymmetric key authentication. It integrates an ECC P-256 hardware engine, a True Random Number Generator (TRNG), and 3Kb of secure EEPROM for storing keys, certificates, and user data. The device features a unique factory-programmed 64-bit ROM ID and a decrement-only counter. It communicates via the 1-Wire bus at overdrive speeds up to 90.9kbps. Operating voltage ranges from 1.62V to 5V with an input load current of 3.5µA typical. The component supports write/erase cycles of 100k and retains data for 10 years.

Specialized ICS Feature Summary

• FIPS 186-4 compliant ECDSA signature generation using NIST P-256 curve
• Integrated TRNG for secure nonces and SHA-256 engine
• 3Kb secure EEPROM with cryptographic protection against discovery
• Unique unalterable 64-bit ROM ID and 17-bit decrement-only counter

Specialized ICS Applications

• Battery authentication and charge cycle tracking
• Medical tools and accessories authentication and calibration
• Accessory and peripheral secure authentication

Specialized ICS Procurement Notes

Verify the specific package variant required, as the DS28E30 family includes both 4-bump WLP and 6-pin TSOC options. Confirm production status directly with Analog Devices or Maxim Integrated associates, as availability may vary by region. Ensure the ordering suffix matches the desired physical package type for integration into the target design.

Specialized ICS Selection Notes

Select this component when high-security challenge-response authentication is required without external crypto modules. The DS28E30P+ specifically denotes the TSOC package option. Consider the 1-Wire interface constraints, such as pullup resistance limits (max 750Ω) and parasitic capacitance, when designing the host controller circuitry for reliable communication.

Specialized ICS Part Context

The DS28E30 belongs to the DeepCover Secure Authenticator series designed for turnkey security solutions. It combines cryptographic processing with non-volatile storage on a single 1-Wire contact. This integration simplifies system architecture by eliminating the need for separate secure elements or complex key management hardware in embedded applications.

Specialized ICS Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Analog Devices for current equivalent recommendations based on specific security and interface requirements.