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Name: BQ3285S-SB2TRG4
Brand: Texas Instruments
SKU: BQ3285S-SB2TRG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments BQ3285S-SB2TRG4

Part No.:: BQ3285S-SB2TRG4

Manufacturer:: Texas Instruments

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: BQ3285S-SB2TRG4.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-SOIC

In Stock:: 2151

Quantity:: Add To Cart

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BQ3285S-SB2TRG4 Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
-
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ3285S-SB2TRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ3285S-SB2TRG4 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 BQ3285S-SB2TRG4 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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BQ3285S-SB2TRG4 information

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Basic introduction and simple engineering application of BQ3285S-SB2TRG4

BQ3285S-SB2TRG4 is a highly integrated real-time clock (RTC) module commonly used in electronic systems for timekeeping and timestamping applications. It features a built-in temperature-compensated crystal oscillator (TCXO), which ensures accurate timekeeping even under varying temperature conditions.

Application Scenario:

In a digital alarm clock project, BQ3285S-SB2TRG4 can be utilized to track time and trigger alarms at specific times, providing users with reliable timekeeping functionality.

Circuit Design:

To create a digital alarm clock using BQ3285S-SB2TRG4, follow these steps:

1. Connection to Microcontroller:

Connect the SDA (serial data) and SCL (serial clock) pins of BQ3285S-SB2TRG4 to the corresponding pins of a microcontroller, such as an Arduino or Raspberry Pi, to enable communication between the RTC module and the microcontroller.

2. Power Supply:

Provide a stable power supply to BQ3285S-SB2TRG4 by connecting VCC and GND pins to the appropriate voltage and ground terminals, respectively. Ensure that the power supply meets the module's voltage requirements.

3. Alarm Configuration:

Program the microcontroller to set alarms using the BQ3285S-SB2TRG4 module. Utilize the module's alarm registers to specify the desired alarm time and date, as well as any recurring alarm patterns.

4. User Interface:

Integrate user interface components, such as an LCD display or LEDs, to provide visual feedback of the current time and alarm settings. Use the microcontroller's GPIO pins to control these display elements.

5. Alarm Trigger:

Implement firmware logic to monitor the current time from BQ3285S-SB2TRG4 and compare it with the set alarm times. When a match occurs, trigger the alarm by activating an audible buzzer or visual indicator.

Considerations:

When designing the alarm clock circuit, consider the following:

- Power Consumption: Optimize power usage to prolong battery life, especially in battery-operated alarm clock designs.

- User Interface Design: Create an intuitive user interface for setting alarms and interacting with the alarm clock.

- Alarm Accuracy: Ensure that the BQ3285S-SB2TRG4 module's timekeeping accuracy meets the application's requirements for reliable alarm triggering.

- Backup Battery: Include a backup battery to maintain timekeeping functionality in case of a primary power failure.

- Test and Calibration: Test the alarm clock thoroughly to verify its functionality and calibrate the alarm triggering mechanism for accuracy.

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6. What is the process for return or replacement of BQ3285S-SB2TRG4?

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(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 BQ3285S-SB2TRG4.

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

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(1)Inform us within 90 days

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