OPTIGA™ Trust Charge - The trusted authentication solution for secured wireless charging supporting compliance with Qi 1.3
Infineon’s OPTIGA™ Trust Charge is the new turnkey solution providing secured device authentication for inductive wireless charging according to the Qi 1.3 wireless charging standard (issued by the Wireless Power Consortium - WPC). Secured authentication with OPTIGA™ Trust Charge contributes to device and user safety by protecting against fake chargers.

Highly optimized, increased security with full system integration support
- • OPTIGA™ Trust Charge comes in a small USON10-2 package (3x3 mm) optimized for compact devices and thus fits into any charging platform. It is ideal for a wide range of consumer applications.
- • With its Common Criteria EAL6+ (high) certification OPTIGA™ Trust Charge exceeds WPC’s Qi 1.3 security requirements, giving customers the advantage of increased security.
- • The pre-loading of WPC specific keys and certificates at Infineon's ecurity-certified manufacturing environment makes it easy for customers to build in security capabilities.
- • OPTIGA™ Trust Charge is a complete turnkey solution with full system integration support including embedded software, host software, a development board, a reference board and documentation for fast and easy design-in.
Key Features
- • WPC Qi 1.3 authentication
- • Common Criteria EAL6+ (high) certified hardware
- • ECDSA P-256 authentication
- • NIST P-256, SHA-2 cryptography
- • Up to 10 kB user memory
- • Qi certificate format
- • PKI
- • I2C serial communication
- • USON10-2 package (3 x 3 mm)
- • Extended temperature range version available
Further information
- • Please visit the OPTIGA™ Trust Charge github-page: https://github.com/Infineon/optiga-trust-charge
- • Product Brief
- • Datasheet
- • Getting Started Guide
- • WPC Qi 1.3 AppNote for an easy software integration (on request)

OPTIGA™ Trust Charge evaluation kit
Use the Infineon OPTIGA™ Trust Charge evaluation kit to familiarize yourself with our hardware authentication solution for wireless charging, OPTIGA™ Trust Charge.
The kit combines our proven turnkey authentication solution with a powerful microcontroller, the XMC4700. Users can connect OPTIGA™ Trust Charge and explore its functionality and features through the I2C interface. Customers can use this kit for design-in or to create a good reference design for their own OPTIGA™ Trust Charge wireless charging application.
Host software and further application guides can be downloaded from the OPTIGA™ Trust Charge
github-page: https://github.com/Infineon/optiga-trust-charge