ST25DV02K-W1R8S3 ST25 NFC / RFID Tags & Readers by STMicroelectronics

Dynamic NFC/RFID tag IC with one PWM output and 2-Kbit EEPROM

Status: Active
Series: ST25DV02K-W1
RoHS: Compliant
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The ST25DV02K-W1/2 is an ISO 15693 and NFC Forum Type 5 tag, with one or two pulse width modulation (PWM) outputs and 2 Kbits of electrically erasable programmable memory (EEPROM). It offers two interfaces. The first delivers up to 2x independent PWM output signals and the second is an RF link activated by the received carrier electromagnetic wave. The PWM outputs are configured at boot time, and can be updated live through RF link. RF and PWM are independently powered and can work in stand-alone mode. The ST25DV02K-W1/2 contains 256 bytes (64 blocks) of memory for User data. This memory is accessible through the RF interface, following ISO/IEC 15693 or NFC Forum Type 5 Tag recommendations. The device is based on technology and design solutions for which there are pending patents.

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Prices starting from US$0.49

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Features

Pulse width modulation outputs Two independent outputs: 1x PWM output on ST25DV02K-W1, 2x PWM outputs on ST25DV02K-W2 From 488 Hz to 31250 Hz 62.5 ns pulse width resolution: from 15-bit resolution at 488 Hz to 9-bit resolution at 31.25 kHz Accuracy: ±10% over temperature range No need for external oscillator Supply voltage from 1.8 V to 5.5 V, independent from contactless interface Independent push-pull outputs Up to 4 mA drive capability per outputAdjustable output drive for low power and low noise application Live update of PWM parameters controlled by contactless interface
Two independent outputs: 1x PWM output on ST25DV02K-W1, 2x PWM outputs on ST25DV02K-W2
From 488 Hz to 31250 Hz
62.5 ns pulse width resolution: from 15-bit resolution at 488 Hz to 9-bit resolution at 31.25 kHz
Accuracy: ±10% over temperature range
No need for external oscillator
Supply voltage from 1.8 V to 5.5 V, independent from contactless interface
Independent push-pull outputs Up to 4 mA drive capability per outputAdjustable output drive for low power and low noise application
Up to 4 mA drive capability per output
Adjustable output drive for low power and low noise application
Live update of PWM parameters controlled by contactless interface
Contactless interface Based on ISO/IEC 15693 and NFC Forum Type 5 Tag Supports all ISO/IEC 15693 modulations, coding, sub-carrier modes and data rates Single and multiple blocks read Internal tuning capacitance: 28.5 pF
Based on ISO/IEC 15693 and NFC Forum Type 5 Tag
Supports all ISO/IEC 15693 modulations, coding, sub-carrier modes and data rates
Single and multiple blocks read
Internal tuning capacitance: 28.5 pF
Memory 2-kbit of EEPROM Accessible in blocks of 4x bytes 5 ms typical write time (one block) Data retention: 40 years Write cycles endurance: 100k write cycles at 85 ºC
2-kbit of EEPROM
Accessible in blocks of 4x bytes
5 ms typical write time (one block)
Data retention: 40 years
Write cycles endurance: 100k write cycles at 85 ºC
Data protection Up to four independent areas, including the PWM control area, with flexible protection mechanism based on 32/64-bits passwords System configuration: write protection by 32-bit password TruST25â„¢ Digital signature mechanism for authentication
Up to four independent areas, including the PWM control area, with flexible protection mechanism based on 32/64-bits passwords
System configuration: write protection by 32-bit password
TruST25â„¢ Digital signature mechanism for authentication
Temperature range From -40°C to +85°C (Contactless interface) From -40 °C to +105 °C (PWM interface)
From -40°C to +85°C (Contactless interface)
From -40 °C to +105 °C (PWM interface)
Package SO8N and TSSOP8 ECOPACK2 (RoHS compliant)
SO8N and TSSOP8
ECOPACK2 (RoHS compliant)

Alternative Descriptions

ST25DV02 Series 5.5 V 13.56MHz Surface Mount RFID Transponder IC - SOIC-8 | Future Electronics
St25 Dynamic Tags Hf |Stmicroelectronics ST25DV02K-W1R8S3 | Newark Electronics
NFC/RFID Tag IC Dynamic Read/Write 13.567MHz 8-Pin SOIC T/R | Avnet America
RFID, READ/WRITE, 13.567MHZ, SOIC-8 | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ST25DV02K-W1R8S3?

Additional datasheets, footprints and schematics for ST25DV02K-W1R8S3 are listed on our Part Details page. You can also find images and similar parts to ST25DV02K-W1R8S3 on this page.

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What category does ST25DV02K-W1R8S3 fall under?

The ST25DV02K-W1R8S3 is listed under NFC > ST25 NFC / RFID Tags & Readers > ST25 Dynamic NFC Tags > ST25DV-PWM series Dynamic NFC Tags.

Can I view similar or alternative parts?

You can view similar parts to ST25DV02K-W1R8S3 when available in the ST25DV-PWM series Dynamic NFC Tags range under the specifications section at the bottom of the details page.

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Is the ST25DV02K-W1R8S3 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for ST25DV02K-W1R8S3 have stock available?

Authorised distributors including Future Electronics, Newark Electronics, Avnet America, element14 and Farnell have stock available or on a lead time for ST25DV02K-W1R8S3.

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