ST25DV-PWM系列动态NFC/RFID 标签提供了13.56 MHz长距离接口,与NFC手机和读写器兼容。ST25DV02K-W1/W2是一颗具有PWM输出的NFC/RFID标签芯片。
PWM输出可以独立安全地编程,从而实现大规模应用。芯片可以通过非接触式接口进行PWM参数的实时更新,从而扩展用户体验。
非接触接口
- 基于ISO/IEC 15693和NFC Forum 5类标签
脉冲宽度调制输出
- 可以实现2路独立输出:
- 通过ST25DV02K-W1实现1路PWM输出
- 通过ST25DV02K-W2实现2路PWM输出 - 488 Hz到31250 Hz
- 62.5 ns脉冲宽度分辨率:
- 从488 Hz时的15位分辨率到31.25 kHz时的9位分辨率 - 准确度:温度范围±10%
- 无需外部振荡器
- 电源范围1.8 V至5.5 V,与非接触式接口无关
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ST25DV-PWM-eSET

The ST25DV-PWM-eSET is a dynamic NFC tag evaluation board based on the ST25DV02K-W2 device, an NFC/RFID tag IC with PWM outputs embedding a 2-Kbit EEPROM that can be partitioned for use-case flexibility.
The PWM output can be programmed independently and securely, allowing the user to address a large number of applications.
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ST25DV02K-W2
Dynamic NFC/RFID tag IC with 2-Kbit EEPROM and 2x PWM (Pulse Width Modulation) outputs
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ST25DV02K-W1
Dynamic NFC/RFID tag IC with 2-Kbit EEPROM and 1x PWM (Pulse Width Modulation) output