


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | RF and Wireless/RFID ICs | |
| Manufacturer | Nanjing Zhongke Microelectronics | |
| Package | TQFN-16-EP(3x3) | |
| agreement | ISO 14443A,ISO 14443B | |
| Voltage - Supply | 2.3V~4V | |
| Frequency | 13.56MHz | |
| Features | Built-in antenna driver、Data verification、Low power wake-up | |
| Interface | SPI |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
CI523 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | RF and Wireless/RFID ICs | |
| Manufacturer | Nanjing Zhongke Microelectronics | |
| Package | TQFN-16-EP(3x3) | |
| agreement | ISO 14443A,ISO 14443B | |
| Voltage - Supply | 2.3V~4V | |
| Frequency | 13.56MHz | |
| Features | Built-in antenna driver、Data verification、Low power wake-up | |
| Interface | SPI |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the CI523. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

CI523 datasheets or manufacturer documentation.
Datasheet: CI523 Datasheet (PDF)
The CI523 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.