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Name: BQ4802LYDWG4
Brand: Texas Instruments
SKU: BQ4802LYDWG4
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 BQ4802LYDWG4

Part No.:: BQ4802LYDWG4

Manufacturer:: Texas Instruments

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

Datasheet:: BQ4802LYDWG4.pdf

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

In Stock:: 3655

Quantity:: Add To Cart

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BQ4802LYDWG4 Specifications

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

BQ4802LYDWG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4802LYDWG4 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 BQ4802LYDWG4 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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BQ4802LYDWG4 information

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Basic introduction and simple engineering application of BQ4802LYDWG4

BQ4802LYDWG4 is an integrated circuit (IC) primarily designed for real-time clock (RTC) applications. It offers accurate timekeeping and calendar functions, making it suitable for a wide range of electronic devices requiring time tracking capabilities.

Introduction:

The BQ4802LYDWG4 integrates a quartz crystal oscillator circuit, counters, and registers to provide precise timekeeping functionality. It operates over a wide voltage range and is designed for low power consumption, making it ideal for battery-powered applications.

Application in Simple Projects:

Let's explore how BQ4802LYDWG4 can be utilized in a basic project, such as building a digital clock with alarm functionality.

Experiment Steps:

1. Circuit Setup:

Connect the BQ4802LYDWG4 IC to a microcontroller or development board. Ensure proper connections for power (VCC and GND) and communication (I2C or SPI interface).

2. Crystal Connection:

Connect an external quartz crystal oscillator to the crystal input pins of BQ4802LYDWG4. Follow the datasheet recommendations for the crystal specifications and connection layout.

3. Power Supply:

Provide a stable power supply to the BQ4802LYDWG4 IC within the specified voltage range. Use voltage regulators and decoupling capacitors to ensure noise-free operation.

4. Microcontroller Interface:

Interface the BQ4802LYDWG4 IC with a microcontroller using the I2C or SPI protocol. Configure the microcontroller to communicate with the RTC IC and read/write time and date information.

5. Time Setting:

Implement firmware code on the microcontroller to set the initial time and date values in the BQ4802LYDWG4 RTC. This can be done through user input via buttons or a serial interface.

6. Clock Display:

Display the current time and date retrieved from the BQ4802LYDWG4 RTC on an output device, such as an LCD display or LED matrix. Update the display in real-time by periodically querying the RTC.

7. Alarm Functionality:

Implement alarm functionality using the BQ4802LYDWG4 RTC. Set alarm time values and configure the microcontroller to trigger external events, such as sound alarms or visual indicators, when the alarm conditions are met.

Conclusion:

In this project, we've demonstrated the basic utilization of BQ4802LYDWG4 in building a digital clock with alarm functionality. By following these steps and experimenting with different configurations, students and beginners can gain hands-on experience with RTC applications and microcontroller interfacing.

BQ4802LYDWG4 FAQ

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3. Are the BQ4802LYDWG4 price and inventory displayed accurate?

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6. What is the process for return or replacement of BQ4802LYDWG4?

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 BQ4802LYDWG4 we delivered, we will accept the replacement or return of the BQ4802LYDWG4 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 BQ4802LYDWG4.

(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