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Name: ST25R3911B-AQWT
Brand: STMicroelectronics
SKU: ST25R3911B-AQWT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics ST25R3911B-AQWT

Part No.:: ST25R3911B-AQWT

Manufacturer:: STMicroelectronics

Package:: 32-VFQFPN (5x5)

Datasheet:: ST25R3911B-AQWT.pdf

Description:: High performance HF reader / NFC initiator with 1.4 W supporting VHBR and AAT

In Stock:: 9999

Quantity:: Add To Cart

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ST25R3911B-AQWT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ST25R3911B-AQWT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ST25R3911B-AQWT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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ST25R3911B-AQWT Typical application Circuitry

ST25R3911B-AQWT

The ST25R3911B-AQWT stands out as a high-performance NFC universal device, able to bridge the gap between contactless communication and your main controller. Before harnessing the capabilities of the ST25R3911B-AQWT, one must know how to wire it accurately. Here is a quick approach to connecting the ST25R3911B-AQWT to a simple device:

1. Powering the Device: The heart of the ST25R3911B-AQWT remains inert until it's supplied with the correct voltage. Attach the VDD pin to a 3.3V power source, while connecting the GND pin to your system's ground. This energizes the ST25R3911B-AQWT, setting it in readiness to engage.

2. Oscillator Configuration: The accuracy of contactless communication, to a great extent, hinges on clock precision. To this end, connect a 27.12 MHz crystal between the OSC_OUT and OSC_IN pins. To stabilize the oscillation, it's wise to connect capacitors between these pins and the ground. The exact capacitor values would be defined by the crystal's datasheet.

3. RF Field: The antenna forms the backbone of NFC communication on the ST25R3911B-AQWT. You can connect an appropriately tuned 13.56 MHz NFC antenna to the TX1 and TX2 pins. Adjusting this antenna's impedance ensures optimal power transfer.

4. Interface to Microcontroller: To communicate with a microcontroller or another main processing unit, utilize the SPI pins - MOSI, MISO, SCK, and NSS. They allow the ST25R3911B-AQWT to transmit data to, and receive data from, your primary system.

5. Interrupt Handling: The IRQ pin on the ST25R3911B-AQWT can be connected to an interrupt input on your microcontroller. This notifies the system of events or status changes in real-time, making operations swift.

6. LED Indicators: To monitor the functionality and operations of the ST25R3911B-AQWT, one can integrate LEDs. By linking LEDs to the D1 and D2 pins, you can visually track the NFC field and data transfer status.

As you venture into the intricate world of NFC, the ST25R3911B-AQWT emerges as a trusted ally. But beyond mere connections, immersing oneself in the datasheet and the application notes of the ST25R3911B-AQWT reveals nuances and details. This knowledge ensures that the device not only operates but thrives in your system, achieving robust and efficient contactless communication.

ST25R3911B-AQWT information

ST25R3911B-AQWT Specifications

Package/Case:
32-VFQFPN (5x5)
Packaging:
Series:
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Moisture Sensitivity Level (MSL):
Sensitivity:
Frequency:
Linearity:
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ST25R3911B-AQWT FAQ

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3. Are the ST25R3911B-AQWT price and inventory displayed accurate?

The price and inventory of ST25R3911B-AQWT fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of ST25R3911B-AQWT?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ST25R3911B-AQWT we delivered, we will accept the replacement or return of the ST25R3911B-AQWT only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ST25R3911B-AQWT.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations