What is the Additional Feature ?

Name: BQ4822YMA-70
Brand: Texas Instruments
SKU: BQ4822YMA-70
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 BQ4822YMA-70

Part No.:: BQ4822YMA-70

Manufacturer:: Texas Instruments

Package:: 28-DIP Module (0.61, 15.49mm)

Datasheet:: BQ4822YMA-70.pdf

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

In Stock:: 2232

Quantity:: Add To Cart

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BQ4822YMA-70 Specifications

Package/Case:
28-DIP Module (0.61, 15.49mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Supervisor, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
6mA @ 2.2 V ~ 5.8 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

BQ4822YMA-70 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4822YMA-70 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 BQ4822YMA-70 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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BQ4822YMA-70 information

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Basic introduction and simple engineering application of BQ4822YMA-70

BQ4822YMA-70 is a versatile real-time clock (RTC) chip commonly utilized in electronic systems for timekeeping and scheduling tasks. It offers accurate timekeeping functionality along with various features suitable for a wide range of applications.

Application Scenario:

In electronic devices and systems requiring precise timekeeping, such as data loggers, industrial automation systems, and consumer electronics, BQ4822YMA-70 can be employed to provide accurate timekeeping and scheduling functionalities.

Integration Steps:

To integrate BQ4822YMA-70 into a simple project, follow these steps:

1. Connection Setup:

Connect the BQ4822YMA-70 chip to the microcontroller or host system using the appropriate communication interface, such as I2C or SPI. Ensure proper wiring and addressing configuration according to the datasheet.

2. Time Initialization:

Initialize the RTC chip with the current date and time. This typically involves sending the appropriate commands or data packets to set the initial time parameters, including seconds, minutes, hours, day, date, month, and year.

3. Timekeeping:

Utilize the BQ4822YMA-70 chip to continuously track the passage of time. This may involve periodically reading the current time registers from the chip and updating any display or output interface to reflect the current time accurately.

4. Alarm Functionality:

Explore the alarm features of the BQ4822YMA-70 chip to trigger specific actions or events at predetermined times. Set up alarms by configuring the alarm registers with the desired time parameters and handling the alarm interrupt or output signal accordingly.

5. Backup Power:

Ensure proper backup power supply or battery backup for the BQ4822YMA-70 chip to maintain timekeeping functionality during power loss or system shutdown. Connect a backup power source to the designated backup power pin of the chip, as specified in the datasheet.

Considerations:

When working with BQ4822YMA-70, keep the following considerations in mind:

- Accuracy Requirements: Verify the accuracy of the RTC chip against the specified tolerances and calibrate if necessary for applications requiring high precision timekeeping.

- Power Consumption: Optimize power management strategies to minimize power consumption, especially in battery-powered devices, by utilizing low-power modes and periodic wake-up mechanisms.

- Interrupt Handling: Implement robust interrupt handling routines to respond to RTC alarms or periodic time updates promptly and efficiently.

- Compatibility: Ensure compatibility between the BQ4822YMA-70 chip and the microcontroller or host system in terms of voltage levels, communication protocols, and interface configurations.

- Environmental Factors: Consider environmental factors such as temperature and humidity that may affect the performance of the RTC chip and take appropriate measures for reliable operation under varying conditions.

BQ4822YMA-70 FAQ

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6. What is the process for return or replacement of BQ4822YMA-70?

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 BQ4822YMA-70 we delivered, we will accept the replacement or return of the BQ4822YMA-70 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 BQ4822YMA-70.

(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