The ZWIR4121 is a fully integrated, 13.56 MHz, ISO15693- compliant passive transponder IC with an on-chip temperature sensor and wireless initialization capability. With on-chip temperature sensor, and EEPROM for time and temperature logging, the ZWIR4121 is designed to increase the degree of automation and safety in logistics and transportation of perishable goods or produce.
When inserted into a electromagnetic field, inductive coupling provides the energy to power the IC. The on-chip EEPROM can be both written and read based on the energy derived from the reader by inductive coupling.
The ZWIR4121 was designed with low component count in mind. Due to the on-chip tank capacitor, the ZWIR4121 only requires one external coil to communicate with a reader unit. The additional I²C bus connection allows adding an external sensor to the ZWIR4121.
The on-chip timer can be programmed for pre-selection of operating start time and log cycle, hence the log schemecan be modified for a variety of applications.

• Passive transponder with battery powered (capacity &lz;10mAh) on-chip temperature sensor, data management unit and timer to log the sensor data/timing product.
• Wireless initialization capability
• Operates at 13.56 MHz with on-chip tank capacitor, rectifier and voltage limiter
• Communication range up to 1 meter
• ISO/IEC 15693 compliant
• 8 kbits EEPROM (720 temperature data)
• Internal real time clock
• Internal temperature sensor
• Interface to external humidity sensor
• Multi level password protection
• 8 different log modes

• Low component count, multifunctional temperature logger. Only printed antenna coil and 1.5V Battery needed to build Smart Active Label.
• Command set fully compatible with the requirements of ISO 15693. Designed to communicate with every standard ISO 15693 reader.
• Additional, external sensor functionalities are optional by using the I²C interface.
• Logged data are stored in un-powered state. Features

• Temperature and time logger (smart active label)
• Transportation and logistics management of perishable or temperature sensitive goods such as groceries, meat, or pharmaceuticals
• Monitoring of commercial refrigeration units