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Name: PCF7991AT/1081/M118
Brand: NXP USA Inc.
SKU: PCF7991AT/1081/M118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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NXP USA Inc. PCF7991AT/1081/M118

Part No.:: PCF7991AT/1081/M118

Manufacturer:: NXP USA Inc.

Package:: -

Datasheet:

Description:: ADVANCED BASESTATION IC

In Stock:: 2503

Quantity:: Add To Cart

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PCF7991AT/1081/M118 Specifications

Packaging:
Bulk
Series:
*
ProductStatus:
Active
Type:
-
Frequency:
-
Standards:
-
Interface:
-
Voltage-Supply:
-
OperatingTemperature:
-
MountingType:
-

PCF7991AT/1081/M118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCF7991AT/1081/M118 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 PCF7991AT/1081/M118 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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PCF7991AT/1081/M118 information

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PCF7991AT/1081/M118 Typical application Circuitry

PCF7991AT 1081 M118

The PCF7991AT/1081/M118 is a versatile integrated circuit (IC) primarily designed for proximity sensing and identification applications. This chip can be employed in various scenarios to detect and identify objects or tags in its vicinity. Let's explore one specific application and provide a detailed circuit connection, highlighting key considerations.

Application Scenario: RFID Card Reader

PCF7991AT/1081/M118 is commonly used in RFID (Radio-Frequency Identification) card reader systems. These systems can be used for a wide range of tasks, including inventory management, tracking, and access control.

Circuit Connection:

The following parts are required for this RFID card reader application:

- PCF7991AT/1081/M118 IC

- Antenna Coil

- Microcontroller (e.g., Arduino)

- Power Supply (e.g., 3.3V or 5V)

- LED and Buzzer (optional for feedback)

Detailed Connection:

1. Power Supply Connection:

- Connect the VCC pin of PCF7991AT/1081/M118 to the positive terminal of the power supply (e.g., 3.3V or 5V).

- Attach PCF7991AT/1081/M118's GND pin to the power supply's ground.

2. Microcontroller Interface:

- Connect the SDA (Serial Data) pin of PCF7991AT/1081/M118 to the SDA pin of the microcontroller.

- Connect the SCL (Serial Clock) pin of PCF7991AT/1081/M118 to the SCL pin of the microcontroller.

3. Antenna Coil Connection:

- Connect one end of the antenna coil to the ANT1 pin of PCF7991AT/1081/M118.

- Connect the other end of the antenna coil to the ANT2 pin of PCF7991AT/1081/M118.

4. Feedback (Optional):

- To provide user feedback, you can connect an LED to one of the microcontroller's digital output pins and a buzzer to another. These components can be activated when a card is successfully read.

Key Considerations:

1. Antenna Design: The antenna coil's size and shape can significantly impact the read range and sensitivity of the RFID reader. Properly design the antenna for your specific application.

2. Communication Protocol: Ensure that the microcontroller and PCF7991AT/1081/M118 are communicating using the correct communication protocol, typically I2C or SPI.

3. Power Supply: Provide a stable power supply within the specified voltage range for the PCF7991AT/1081/M118 to operate correctly.

4. Data Processing: Implement the necessary code on the microcontroller to process the data received from PCF7991AT/1081/M118 and perform any required actions based on the RFID card information.

5. Security: Depending on the application, consider implementing encryption or authentication mechanisms to secure the RFID communication.

6. Environmental Factors: Account for environmental conditions that may affect the RFID reader's performance, such as interference from metallic objects or other RF devices.

In summary, the PCF7991AT/1081/M118 is a versatile chip used in RFID card reader applications. When designing a circuit for this purpose, careful attention to antenna design, communication protocol, power supply, data processing, security, and environmental factors is essential to ensure reliable and accurate RFID card reading.

PCF7991AT/1081/M118 FAQ

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3. Are the PCF7991AT/1081/M118 price and inventory displayed accurate?

The price and inventory of PCF7991AT/1081/M118 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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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 PCF7991AT/1081/M118?

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 PCF7991AT/1081/M118 we delivered, we will accept the replacement or return of the PCF7991AT/1081/M118 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 PCF7991AT/1081/M118.

(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