Lemontree

45 mm x 75 mm flexible antenna reference board for M24LR04E-R dual interface EEPROM, for reference only

FLEX-M24LR04E

 
Overview

The FLEX-M24LR04E antenna reference board is a ready-to-use flexible PCB that features an M24LR04E Dual Interface EEPROM IC connected to a 45 mm x 75 mm 13.56 MHz etched RF antenna on one side, and to an I2C bus on the other side.

Flex-M24LR04E
Flex-M24LR04E

The FLEX-M24LR04E antenna allows system designers to evaluate the M24LR04E performance and capabilities, and to get started with their design.
To demonstrate the energy harvesting function, the FLEX-M24LR04E can be used in conjunction with ST DEMO-CR95HF-A demonstration board.
The application can be powered directly from the M24LR04E VOUTpin.
The FLEX-M24LR04E Gerber files can be downloaded from www.st.com.

Main features

  • Ready-to-use flexible printed circuit board (PCB) including
    • 45 mm x 75 mm 13.56 MHz inductive antenna etched on the PCB
    • 100 μm thickness PCB (Kapton)
    • M24LR04E-R Dual Interface EEPROM
    • Connection for I2C bus
    • Energy harvesting output (VOUT) with a 10 nF capacitance filtering circuit
    • RF WIP/BUSY output with 20 kΩ pull-up resistor, to indicate that an RF operation is ongoing
参考设计图片
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Update:2025-06-23 06:17:44

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