What is the Additional Feature ?

Name: BQ4802YPWR
Brand: Texas Instruments
SKU: BQ4802YPWR
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 BQ4802YPWR

Part No.:: BQ4802YPWR

Manufacturer:: Texas Instruments

Package:: 28-TSSOP (0.173, 4.40mm Width)

Datasheet:: BQ4802YPWR.pdf

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

In Stock:: 2458

Quantity:: Add To Cart

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BQ4802YPWR Specifications

Package/Case:
28-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
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:
2.4V ~ 4V
Current-Timekeeping(Max):
1.5mA (Typ) @ 4.5 V ~ 5.5 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ4802YPWR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4802YPWR 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 BQ4802YPWR 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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BQ4802YPWR information

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Basic introduction and simple engineering application of BQ4802YPWR

BQ4802YPWR is a precision integrated circuit for real-time clock (RTC) and calendar functions, widely used in electronic devices requiring accurate timekeeping capabilities. It offers low power consumption, high accuracy, and small package size, making it suitable for battery-powered and space-constrained applications.

Application Scenario:

In a simple project like a digital clock, BQ4802YPWR can be utilized to keep track of time and date accurately. This article will guide you through the process of building a basic digital clock using BQ4802YPWR.

Circuit Design:

To create a digital clock using BQ4802YPWR, follow these steps:

1. Component Setup:

Connect the necessary components to the microcontroller board. You'll need BQ4802YPWR, a microcontroller (such as Arduino or Raspberry Pi), a 32.768 kHz crystal oscillator, and supporting passive components like resistors and capacitors.

2. Interfacing:

Interface BQ4802YPWR with the microcontroller using the I2C communication protocol. Connect the SDA and SCL pins of BQ4802YPWR to the corresponding pins on the microcontroller.

3. Power Supply:

Provide a stable power supply to both BQ4802YPWR and the microcontroller. Ensure the voltage levels are within the specified operating range of BQ4802YPWR.

4. Initialization:

Write a code to initialize BQ4802YPWR and set the current time and date. Utilize the provided libraries or datasheet to understand the register configurations and communication protocol.

5. Display:

Display the time and date obtained from BQ4802YPWR on an output device, such as an LCD or LED display. Update the display periodically to reflect the real-time clock values.

6. User Interface:

Integrate user input mechanisms, like buttons or switches, to adjust the time and date settings. Implement functions in the code to handle user interactions and update BQ4802YPWR accordingly.

Experiment:

To verify the functionality of the digital clock, upload the code to the microcontroller and power on the circuit. Observe the display to ensure that it shows the correct time and date as per the settings configured in BQ4802YPWR.

Considerations:

- Power Consumption: Optimize the code and circuit design to minimize power consumption, especially in battery-powered applications.

- Accuracy: Periodically synchronize BQ4802YPWR with an external time source to maintain accurate timekeeping over long periods.

- Error Handling: Implement error detection and correction mechanisms in the code to handle communication errors or clock drifts.

- Packaging: Ensure proper packaging and insulation of the circuit to protect BQ4802YPWR and other components from environmental factors.

- Testing: Thoroughly test the digital clock under various conditions to validate its reliability and performance over time.

BQ4802YPWR FAQ

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3. Are the BQ4802YPWR price and inventory displayed accurate?

The price and inventory of BQ4802YPWR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of BQ4802YPWR?

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 BQ4802YPWR we delivered, we will accept the replacement or return of the BQ4802YPWR 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 BQ4802YPWR.

(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