Description
Specifications :
The CI522 is a contactless reader chip that operates at 13.56MHz
It supports the ISO/IEC 14443 A/MIFARE standard and is suitable for a variety of scenarios such as smart door locks, NFC applications and electric vehicles
Weight :
CI522 As a chip product, its weight is usually very light. However, the exact weight may vary depending on the package form and product model.
For example, in some contexts, the weight may be mentioned as 0.59kg5 or 2kg6, but these may refer to the weight of the entire module or device, including the CI522 chip, rather than the chip itself.
function :
The CI522 is used to achieve contactless data reading and writing functions, especially for applications where near field communications1 is required.
It can communicate wirelessly with electronic tags and is widely used in smart door locks, NFC payment, access control systems and other fields
parameter :
The operating voltage range is usually 2.5V to 3.6V23.
Power consumption is extremely low, only 30uA to 39uA1.
Provides SPI interface, communication rate up to 10Mbit/s23.
Support two-way communication with MIFARE series cards, up to 848kBd
Size :
The CI522 typically comes in a QFN16 package with a size of 3*3mm23.
Another package form such as ESOP16, size 9.961.6mm
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