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Name: BQ4845YP-A4E3
Brand: Texas Instruments
SKU: BQ4845YP-A4E3
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-A4E3

Part No.:: BQ4845YP-A4E3

Manufacturer:: Texas Instruments

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

Datasheet:: BQ4845YP-A4E3.pdf

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

In Stock:: 2566

Quantity:: Add To Cart

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BQ4845YP-A4E3 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-A4E3 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4845YP-A4E3 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-A4E3 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-A4E3 information

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Basic introduction and simple engineering application of BQ4845YP-A4E3

BQ4845YP-A4E3 is a real-time clock (RTC) chip commonly used in electronic projects and embedded systems to keep track of time accurately. It features a battery backup system that ensures timekeeping even when the main power is off, making it suitable for applications requiring precise timing information.

Application Scenario:

In various electronic projects and devices, BQ4845YP-A4E3 can be utilized for timekeeping functionalities, such as logging events, scheduling tasks, and timestamping data for data logging systems.

Circuit Design:

To incorporate BQ4845YP-A4E3 into a project, follow these steps:

1. Connection Setup:

Connect BQ4845YP-A4E3 to the microcontroller or host system using the appropriate communication interface, such as I2C or SPI. Ensure proper wiring and address configuration according to the datasheet.

2. Battery Backup:

Provide a backup power source, such as a coin cell battery, to the BQ4845YP-A4E3 to maintain timekeeping functionality during power loss. Connect the battery to the designated backup input pins of the chip.

3. Initialization:

Initialize the BQ4845YP-A4E3 chip upon power-up or reset of the system. Configure the necessary settings, such as time format (12-hour or 24-hour), alarm settings, and calibration adjustments, as per project requirements.

4. Timekeeping:

Utilize the provided libraries or write custom firmware code to interact with BQ4845YP-A4E3 for timekeeping operations. Read and update the current time, set alarms, and handle time-related events as needed.

5. Integration with Project:

Integrate BQ4845YP-A4E3 seamlessly into the project's overall functionality. Utilize the accurate timekeeping provided by the RTC chip for timestamping data, synchronizing operations, or controlling time-based events.

Considerations:

When incorporating BQ4845YP-A4E3 into the project, consider the following aspects:

- Power Consumption: Optimize power usage to prolong the battery life and ensure continuous timekeeping operation.

- Accuracy Requirements: Validate the accuracy of the RTC chip against project specifications and adjust calibration if necessary for precise timekeeping.

- Error Handling: Implement error handling mechanisms in the firmware to address communication errors, battery failure, or other potential issues that may affect timekeeping reliability.

- PCB Layout: Design the PCB layout carefully to minimize noise, ensure proper grounding, and optimize signal integrity for reliable communication with BQ4845YP-A4E3.

- Test and Validation: Thoroughly test the system to verify the accuracy, reliability, and robustness of timekeeping functionality under various operating conditions.

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6. What is the process for return or replacement of BQ4845YP-A4E3?

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-A4E3 we delivered, we will accept the replacement or return of the BQ4845YP-A4E3 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-A4E3.

(3)The PartNo is unused and only in the original unpacked packaging.

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