What is the Additional Feature ?

Name: BQ4285S-SB2
Brand: Texas Instruments
SKU: BQ4285S-SB2
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 BQ4285S-SB2

Part No.:: BQ4285S-SB2

Manufacturer:: Texas Instruments

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

Datasheet:: BQ4285S-SB2.pdf

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

In Stock:: 13748

Quantity:: Add To Cart

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BQ4285S-SB2 Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
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):
-
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ4285S-SB2 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4285S-SB2 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 BQ4285S-SB2 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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BQ4285S-SB2 information

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Basic introduction and simple engineering application of BQ4285S-SB2

BQ4285S-SB2 is a sophisticated real-time clock (RTC) chip widely used in electronic devices for accurate timekeeping and timestamping functionalities. It offers an array of features, including battery backup, programmable alarms, and I2C interface for easy integration into microcontroller-based systems.

Application Scenario:

In various electronic projects, BQ4285S-SB2 can serve as a reliable timekeeping component. For instance, it can be utilized in data loggers, security systems, or IoT devices where precise time synchronization is crucial.

Experiment Setup:

To understand the functionality of BQ4285S-SB2, conduct the following experiment:

1. Hardware Connection:

Connect BQ4285S-SB2 to a microcontroller development board via I2C interface. Ensure proper wiring of SDA (data) and SCL (clock) lines between the RTC chip and the microcontroller.

2. Initialization:

Write a simple initialization code on the microcontroller to configure BQ4285S-SB2. Initialize the I2C communication and set the current time and date parameters.

3. Timekeeping:

Implement a loop in the firmware to continuously read the time from BQ4285S-SB2. Display the time and date on an output device, such as an LCD or serial monitor, connected to the microcontroller.

4. Alarm Functionality:

Explore the alarm features of BQ4285S-SB2 by programming a simple alarm trigger. Set an alarm time using the microcontroller, and configure BQ4285S-SB2 to generate an interrupt or trigger an output pin when the alarm condition is met.

5. Power Management:

Experiment with the battery backup feature of BQ4285S-SB2 by temporarily disconnecting the main power source. Observe how the RTC chip continues to maintain accurate timekeeping using the backup battery.

Considerations:

When working with BQ4285S-SB2, keep the following considerations in mind:

- I2C Communication: Ensure proper configuration and addressing of the RTC chip to facilitate communication with the microcontroller.

- Power Supply: Provide a stable power supply to BQ4285S-SB2 to prevent data loss and ensure uninterrupted operation, especially during power outages.

- Interrupt Handling: Implement efficient interrupt handling routines in the microcontroller firmware to respond to alarm triggers or other events from BQ4285S-SB2 in a timely manner.

- Accuracy Calibration: Calibrate the RTC chip periodically to maintain accurate timekeeping, accounting for drift and temperature variations.

- Data Retention: Verify the data retention capabilities of BQ4285S-SB2 to ensure stored time and configuration parameters are preserved during power cycles or battery changes.

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6. What is the process for return or replacement of BQ4285S-SB2?

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 BQ4285S-SB2 we delivered, we will accept the replacement or return of the BQ4285S-SB2 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 BQ4285S-SB2.

(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