What is the Additional Feature ?

Name: BQ4845YP-A4
Brand: Texas Instruments
SKU: BQ4845YP-A4
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 BQ4845YP-A4

Part No.:: BQ4845YP-A4

Manufacturer:: Texas Instruments

Package:: 28-DIP (0.600, 15.24mm)

Datasheet:: BQ4845YP-A4.pdf

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

In Stock:: 3776

Quantity:: Add To Cart

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BQ4845YP-A4 Specifications

Package/Case:
28-DIP (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
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:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.3V ~ 4V
Current-Timekeeping(Max):
1.5mA (Typ) @ 4.5 V ~ 5.5 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

BQ4845YP-A4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4845YP-A4 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 BQ4845YP-A4 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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BQ4845YP-A4 information

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Basic introduction and simple engineering application of BQ4845YP-A4

BQ4845YP-A4 is a real-time clock (RTC) module commonly used in electronic projects for timekeeping and timestamping functionalities. It provides accurate timekeeping with low power consumption, making it suitable for battery-powered applications.

Application Scenario:

In projects requiring precise timekeeping, BQ4845YP-A4 can be utilized for tasks such as data logging, event scheduling, or synchronization in embedded systems.

Experiment Setup:

To understand the basic functionality of BQ4845YP-A4 and its application in a simple project, follow these steps:

1. Hardware Setup:

Connect the BQ4845YP-A4 module to a microcontroller development board, such as Arduino or Raspberry Pi, using the Inter-Integrated Circuit (I2C) communication protocol. Ensure proper wiring of the SDA (data) and SCL (clock) lines between the module and the microcontroller.

2. Software Configuration:

Download and install the necessary libraries and drivers for BQ4845YP-A4 compatibility with the chosen microcontroller platform. Initialize the I2C communication interface and configure the module's registers for timekeeping operations.

3. Time Setting:

Write a simple program to set the current time and date in the BQ4845YP-A4 module. Utilize the appropriate commands or functions provided by the library to update the RTC registers with the desired time values.

4. Time Retrieval:

Read the current time and date from the BQ4845YP-A4 module using the microcontroller. Display this information on an output device such as an LCD screen or serial monitor connected to the development board.

5. Real-Time Clock Functionality:

Test the accuracy and reliability of the BQ4845YP-A4 module by letting it run for an extended period. Compare the displayed time with an external time reference, such as an internet-synced clock or a mobile phone, to verify its accuracy.

Considerations:

- Power Supply: Ensure stable power is provided to both the BQ4845YP-A4 module and the microcontroller to avoid data loss or corruption.

- I2C Communication: Verify the correct configuration and addressing of the BQ4845YP-A4 module on the I2C bus to enable proper communication with the microcontroller.

- Backup Battery: Install a backup battery, such as a coin cell battery, to maintain timekeeping functionality in case of main power loss.

- Error Handling: Implement error-checking mechanisms in the software to handle communication errors or invalid data responses from the BQ4845YP-A4 module.

- Integration: Explore additional features and functionalities of the BQ4845YP-A4 module, such as alarm capabilities or temperature compensation, to enhance its usefulness in your projects.

BQ4845YP-A4 FAQ

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3. Are the BQ4845YP-A4 price and inventory displayed accurate?

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6. What is the process for return or replacement of BQ4845YP-A4?

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 BQ4845YP-A4 we delivered, we will accept the replacement or return of the BQ4845YP-A4 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 BQ4845YP-A4.

(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