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Name: BQ4802LYDW
Brand: Texas Instruments
SKU: BQ4802LYDW
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 BQ4802LYDW

Part No.:: BQ4802LYDW

Manufacturer:: Texas Instruments

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

Datasheet:: BQ4802LYDW.pdf

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

In Stock:: 11178

Quantity:: Add To Cart

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BQ4802LYDW Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
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

BQ4802LYDW this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4802LYDW 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 BQ4802LYDW 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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BQ4802LYDW information

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Basic introduction and simple engineering application of BQ4802LYDW

BQ4802LYDW is a real-time clock (RTC) IC manufactured by Texas Instruments, offering precise timekeeping functionality for a wide range of applications. It integrates a quartz crystal oscillator and supports a battery backup system, ensuring accurate timekeeping even in the absence of external power.

Basic Introduction:

The BQ4802LYDW RTC IC provides accurate time and date information, typically used in devices requiring time-based functions, such as data logging systems, medical instruments, and consumer electronics.

Application in Simple Projects:

In a simple project, such as a digital clock, the BQ4802LYDW can be utilized for timekeeping. Below are the steps to create a basic digital clock using this RTC IC:

1. Circuit Setup:

Connect the BQ4802LYDW to your microcontroller board or development platform. Ensure proper connections are made for power, ground, and communication lines (typically I2C or SPI).

2. Initialization:

Initialize the RTC IC in your microcontroller code. Set the current date and time, as well as any alarm or periodic interrupt configurations if required.

3. Display Interface:

Connect a display interface, such as an LCD or LED display, to your microcontroller. This will be used to show the current time retrieved from the BQ4802LYDW.

4. Read Time:

Periodically read the time from the BQ4802LYDW RTC IC using the communication protocol (I2C/SPI). Update the display with the current time information.

5. Optional Features:

Implement additional features like setting alarms, displaying calendar information, or adjusting time settings through user input. Utilize the functionalities provided by the BQ4802LYDW for these features.

Experimentation:

Experiment with different configurations and features of the BQ4802LYDW, such as alarm settings, periodic interrupts, and power management modes. Understand how these settings impact the behavior of your digital clock project.

Considerations:

- Power Supply: Ensure a stable power supply to the BQ4802LYDW to maintain accurate timekeeping, especially when using battery backup.

- Communication Protocol: Choose the appropriate communication protocol (I2C or SPI) based on your microcontroller's capabilities and interface requirements.

- Display Compatibility: Select a display interface that is compatible with your microcontroller and can effectively convey the time information.

- Error Handling: Implement error checking mechanisms in your code to handle communication errors or RTC malfunction scenarios gracefully.

- Testing and Calibration: Test the accuracy of your digital clock periodically and calibrate if necessary to ensure reliable timekeeping performance over time.

BQ4802LYDW FAQ

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3. Are the BQ4802LYDW price and inventory displayed accurate?

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6. What is the process for return or replacement of BQ4802LYDW?

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 BQ4802LYDW we delivered, we will accept the replacement or return of the BQ4802LYDW 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 BQ4802LYDW.

(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