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Name: BQ3285ESTR
Brand: Texas Instruments
SKU: BQ3285ESTR
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 BQ3285ESTR

Part No.:: BQ3285ESTR

Manufacturer:: Texas Instruments

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: BQ3285ESTR.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-SOIC

In Stock:: 5387

Quantity:: Add To Cart

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BQ3285ESTR Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR),Bulk
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
300µA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ3285ESTR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ3285ESTR 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 BQ3285ESTR 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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BQ3285ESTR information

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Basic introduction and simple engineering application of BQ3285ESTR

BQ3285ESTR is a real-time clock (RTC) chip commonly used in electronic devices to provide accurate timekeeping functionality. It incorporates a battery backup system to maintain timekeeping even when the main power source is disconnected.

Introduction:

The BQ3285ESTR RTC chip is widely utilized in various applications, including consumer electronics, industrial equipment, and automotive systems, where precise timekeeping is essential for proper operation. Its compact size, low power consumption, and reliability make it a popular choice among designers.

Basic Features:

The key features of the BQ3285ESTR include:

- Real-time clock with calendar functionality

- Battery backup for timekeeping

- Serial interface for communication (I2C)

- Alarm function with interrupt capability

- Temperature-compensated crystal oscillator (TCXO) for improved accuracy

- Low power consumption in both active and standby modes

Application Example:

To understand how the BQ3285ESTR can be applied in a simple project, let's consider a digital clock design using this RTC chip.

Project Overview:

In this project, we will create a digital clock using an Arduino board and the BQ3285ESTR RTC chip. The clock will display the current time on a 7-segment LED display and sound an alarm at a pre-defined time.

Experiment Steps:

1. Hardware Setup:

- Connect the BQ3285ESTR RTC chip to the Arduino board using the I2C interface. Wire the SDA pin of the RTC to the SDA pin of the Arduino and the SCL pin of the RTC to the SCL pin of the Arduino.

- Connect the 7-segment LED display to the Arduino board. Assign pins for each segment and the common cathode/anode, depending on the type of display used.

2. Software Configuration:

- Install the necessary libraries for the BQ3285ESTR RTC chip and the 7-segment LED display in the Arduino IDE.

- Write a sketch to initialize the RTC chip, set the current time, and configure the alarm settings.

- Implement functions to retrieve the current time from the RTC and display it on the 7-segment LED display. Update the display periodically to show the updated time.

- Add code to monitor the alarm trigger condition and activate the alarm when the specified time is reached.

3. Testing:

- Upload the Arduino sketch to the board and power up the circuit.

- Verify that the RTC chip initializes correctly and starts counting time accurately.

- Check the functionality of the digital clock by observing the time displayed on the LED display.

- Set an alarm time and ensure that the alarm activates as expected when the designated time is reached.

Conclusion:

In this project, we have demonstrated the basic application of the BQ3285ESTR RTC chip in a digital clock design. By following the experiment steps and understanding the functionality of the RTC chip, students and beginners can gain practical experience in using real-time clock devices in embedded systems projects.

BQ3285ESTR FAQ

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3. Are the BQ3285ESTR price and inventory displayed accurate?

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6. What is the process for return or replacement of BQ3285ESTR?

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 BQ3285ESTR we delivered, we will accept the replacement or return of the BQ3285ESTR 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 BQ3285ESTR.

(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