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Name: BQ4845YS-A4G4
Brand: Texas Instruments
SKU: BQ4845YS-A4G4
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 BQ4845YS-A4G4

Part No.:: BQ4845YS-A4G4

Manufacturer:: Texas Instruments

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: BQ4845YS-A4G4.pdf

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

In Stock:: 3530

Quantity:: Add To Cart

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BQ4845YS-A4G4 Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
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:
Surface Mount

BQ4845YS-A4G4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4845YS-A4G4 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 BQ4845YS-A4G4 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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BQ4845YS-A4G4 information

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Basic introduction and simple engineering application of BQ4845YS-A4G4

BQ4845YS-A4G4 is a real-time clock (RTC) module manufactured by Texas Instruments, designed for accurate timekeeping and calendar functions in various electronic devices. It integrates a precision oscillator and a battery backup system to ensure reliable timekeeping even in the absence of external power.

Application Scenario:

In educational projects, BQ4845YS-A4G4 can be utilized to introduce students to real-time clock functionalities and timekeeping applications in embedded systems.

Experiment Setup:

To understand the basic features and functionality of BQ4845YS-A4G4, follow these steps:

1. Hardware Setup:

Connect the BQ4845YS-A4G4 module to a microcontroller development board, such as Arduino or Raspberry Pi, using the I2C communication protocol. Ensure proper wiring of the SDA (data) and SCL (clock) lines.

2. Power Supply:

Provide power to the BQ4845YS-A4G4 module using a stable power source within the specified voltage range. Verify that the backup battery is properly installed and functional.

3. Initialization:

Write a simple initialization code in your microcontroller platform to configure the BQ4845YS-A4G4 module. Initialize the RTC registers for time and date settings.

4. Timekeeping:

Implement code to read the current time and date from the BQ4845YS-A4G4 module. Display this information on an output device, such as an LCD or serial monitor, connected to the microcontroller.

5. Alarm Functionality:

Explore the alarm features of the BQ4845YS-A4G4 module by setting up alarms for specific times. Use interrupts or polling mechanisms in your code to respond to alarm triggers.

6. Power Failure Handling:

Test the behavior of the BQ4845YS-A4G4 module during power failures by disconnecting the external power source. Verify that the RTC continues to keep accurate time using the backup battery.

Considerations:

When working with BQ4845YS-A4G4, consider the following:

- I2C Communication: Ensure proper configuration and addressing of the I2C interface for communication with the microcontroller.

- Backup Battery: Monitor the battery voltage periodically to ensure sufficient backup power for uninterrupted timekeeping.

- Timekeeping Accuracy: Calibrate the RTC periodically to maintain accurate timekeeping over extended periods.

- Alarm Handling: Implement robust alarm handling mechanisms to ensure timely response to alarm triggers without compromising system performance.

- Power Consumption: Optimize power management strategies to minimize the overall power consumption of the system, especially when running on battery backup.

BQ4845YS-A4G4 FAQ

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3. Are the BQ4845YS-A4G4 price and inventory displayed accurate?

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6. What is the process for return or replacement of BQ4845YS-A4G4?

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 BQ4845YS-A4G4 we delivered, we will accept the replacement or return of the BQ4845YS-A4G4 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 BQ4845YS-A4G4.

(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