What is the Additional Feature ?

Name: BQ3285P-SB2
Brand: Texas Instruments
SKU: BQ3285P-SB2
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 BQ3285P-SB2

Part No.:: BQ3285P-SB2

Manufacturer:: Texas Instruments

Package:: 24-DIP (0.600, 15.24mm)

Datasheet:: BQ3285P-SB2.pdf

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

In Stock:: 2323

Quantity:: Add To Cart

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BQ3285P-SB2 Specifications

Package/Case:
24-DIP (0.600, 15.24mm)
Packaging:
Tube
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:
Through Hole

BQ3285P-SB2 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ3285P-SB2 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 BQ3285P-SB2 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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BQ3285P-SB2 information

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Basic introduction and simple engineering application of BQ3285P-SB2

BQ3285P-SB2 is a real-time clock (RTC) chip commonly used in electronic projects and embedded systems. It provides accurate timekeeping functionality, making it suitable for applications requiring precise timing, such as data logging, event scheduling, and timing control systems.

Application Scenario:

In a home automation project, BQ3285P-SB2 can be utilized to schedule and automate various tasks, such as turning lights on/off at specific times or controlling the operation of household appliances.

Circuit Design:

To implement a simple time-controlled light switch using BQ3285P-SB2, follow these steps:

1. RTC Connection:

Connect the BQ3285P-SB2 RTC chip to the microcontroller, such as Arduino or Raspberry Pi, using the Inter-Integrated Circuit (I2C) interface. Ensure proper wiring and address configuration for communication between the microcontroller and the RTC chip.

2. Light Control:

Connect a relay module to the microcontroller GPIO pins. The relay module acts as a switch to control the power supply to the light bulb. Ensure proper isolation and current rating compatibility between the relay and the light bulb.

3. User Interface:

Integrate a user interface, such as push buttons or a touchscreen display, to set the desired time for light operation. Utilize the microcontroller's digital input pins to interface with the user input components.

4. Time Scheduling:

Implement firmware logic to read the current time from the BQ3285P-SB2 RTC chip and compare it with the predefined schedule for light operation. Activate the relay module to turn the light on/off based on the programmed time schedule.

5. Power Management:

Ensure proper power supply and voltage regulation for both the microcontroller and the BQ3285P-SB2 RTC chip. Utilize voltage regulators and decoupling capacitors to maintain stable power levels and prevent voltage fluctuations.

Considerations:

When designing the circuit, consider the following:

- Backup Power: Implement a backup power source, such as a coin cell battery, for the BQ3285P-SB2 RTC chip to maintain timekeeping functionality during power outages.

- Error Handling: Implement error-checking mechanisms in the firmware to handle communication errors or RTC chip failures gracefully.

- User Feedback: Provide visual or audible feedback to users to indicate the status of the light switch operation and any scheduling changes.

- Energy Efficiency: Optimize the firmware logic to minimize power consumption and extend the battery life in battery-powered applications.

- System Integration: Consider integrating additional sensors or actuators to enhance the functionality of the time-controlled light switch, such as motion sensors for automatic light activation.

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6. What is the process for return or replacement of BQ3285P-SB2?

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 BQ3285P-SB2 we delivered, we will accept the replacement or return of the BQ3285P-SB2 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 BQ3285P-SB2.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations