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Name: BQ4802LYDWRG4
Brand: Texas Instruments
SKU: BQ4802LYDWRG4
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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Texas Instruments BQ4802LYDWRG4

Part No.:: BQ4802LYDWRG4

Manufacturer:: Texas Instruments

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: BQ4802LYDWRG4.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-SOIC

In Stock:: 3218

Quantity:: Add To Cart

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BQ4802LYDWRG4 Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 3.6V
Voltage-SupplyBattery:
2.4V ~ 4V
Current-Timekeeping(Max):
1.5mA (Typ) @ 2.7 V ~ 3.6 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ4802LYDWRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4802LYDWRG4 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 BQ4802LYDWRG4 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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BQ4802LYDWRG4 information

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Basic introduction and simple engineering application of BQ4802LYDWRG4

BQ4802LYDWRG4 is a precision real-time clock (RTC) IC manufactured by Texas Instruments. It provides accurate timekeeping and calendar functions, making it ideal for applications requiring precise timing, such as data logging systems, industrial automation, and consumer electronics.

Basic Overview:

The BQ4802LYDWRG4 integrates a 32.768 kHz quartz crystal oscillator with temperature compensation circuitry to ensure accurate timekeeping over a wide temperature range. It communicates with the host microcontroller through an I2C interface, simplifying integration into existing designs.

Application Example:

Let's explore a simple project using the BQ4802LYDWRG4 to create a digital clock with an Arduino microcontroller.

Experimental Steps:

1. Circuit Setup:

Connect the BQ4802LYDWRG4 to the Arduino board using the I2C interface. Wire the SDA pin of the RTC to the corresponding SDA pin on the Arduino (usually A4), and connect the SCL pin of the RTC to the SCL pin on the Arduino (usually A5). Ensure proper pull-up resistors are used for the I2C lines.

2. Initialization:

In the Arduino sketch, include the Wire library for I2C communication. Initialize the RTC module by sending commands to set the current time and date. This may involve configuring registers within the BQ4802LYDWRG4 to match the current time on your computer or another reliable time source.

3. Reading Time:

Write code to periodically request the current time from the RTC module. Parse the received data to extract hours, minutes, and seconds information. Display this information on a connected LCD screen or serial monitor.

4. Optional Features:

Enhance the project by adding features like alarm functionality or temperature compensation. Utilize additional pins on the Arduino for user input (e.g., setting alarms) or connecting external temperature sensors.

5. Testing and Debugging:

Upload the Arduino sketch to the board and monitor the serial output or LCD display for accurate timekeeping. Test the functionality under different temperature conditions to evaluate the performance of the BQ4802LYDWRG4's temperature compensation circuitry.

Considerations:

- Power Supply: Ensure stable power is provided to both the Arduino and the BQ4802LYDWRG4 to prevent data corruption or clock drift.

- I2C Addressing: Check the datasheet of the RTC module to determine its default I2C address and configure it accordingly in your Arduino sketch if necessary.

- Error Handling: Implement error-checking routines in your code to handle communication errors or invalid data received from the RTC module.

- Calibration: Periodically calibrate the RTC module to maintain accurate timekeeping over extended periods.

Conclusion:

By following these steps, you can create a simple yet functional digital clock using the BQ4802LYDWRG4 RTC module and an Arduino microcontroller. This project not only demonstrates the basic functionality of the RTC but also provides hands-on experience in interfacing external peripherals with a microcontroller.

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6. What is the process for return or replacement of BQ4802LYDWRG4?

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 BQ4802LYDWRG4 we delivered, we will accept the replacement or return of the BQ4802LYDWRG4 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 BQ4802LYDWRG4.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations