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Name: BQ3285LFSS-A1G4
Brand: Texas Instruments
SKU: BQ3285LFSS-A1G4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments BQ3285LFSS-A1G4

Part No.:: BQ3285LFSS-A1G4

Manufacturer:: Texas Instruments

Package:: 24-SSOP (0.154, 3.90mm Width)

Datasheet:: BQ3285LFSS-A1G4.pdf

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

In Stock:: 3867

Quantity:: Add To Cart

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BQ3285LFSS-A1G4 Specifications

Package/Case:
24-SSOP (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
2.4V ~ 4V
Current-Timekeeping(Max):
100µA @ 3V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ3285LFSS-A1G4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ3285LFSS-A1G4 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 BQ3285LFSS-A1G4 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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BQ3285LFSS-A1G4 information

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Basic introduction and simple engineering application of BQ3285LFSS-A1G4

BQ3285LFSS-A1G4 is a real-time clock (RTC) chip commonly used in electronic projects for timekeeping and timestamping functionalities. It integrates a complete clock calendar, battery-backup switchover, and a temperature-compensated crystal oscillator (TCXO) for accurate timekeeping.

Application Scenario:

In a simple weather station project, BQ3285LFSS-A1G4 can be utilized to timestamp temperature and humidity readings, allowing users to track weather changes over time.

Circuit Design:

To create a weather station using BQ3285LFSS-A1G4, follow these steps:

1. Sensor Integration:

Connect temperature and humidity sensors, such as DHT11 or DHT22, to the microcontroller's GPIO pins. Ensure proper wiring and communication protocol configuration for accurate data retrieval.

2. Real-Time Clock Setup:

Interfacing BQ3285LFSS-A1G4 with the microcontroller, configure the RTC settings such as time format, alarm settings, and periodic timestamping intervals. Utilize the I2C interface for communication between the RTC and the microcontroller.

3. Data Logging:

Program the microcontroller to read sensor data periodically and timestamp the readings using BQ3285LFSS-A1G4. Store the data in non-volatile memory, such as an EEPROM or an SD card, for future analysis and visualization.

4. Display and User Interface:

Integrate an LCD display or LED indicators to present real-time temperature, humidity, and timestamped data to the user. Implement user interaction functionalities, such as buttons or a touchscreen, to navigate through the displayed information.

5. Power Management:

Ensure proper power supply to BQ3285LFSS-A1G4 and the connected peripherals. Utilize a battery backup system to maintain RTC functionality during power outages or interruptions.

Considerations:

When designing the weather station, consider the following factors:

- Sensor Accuracy: Choose high-precision sensors to ensure accurate temperature and humidity measurements.

- RTC Calibration: Calibrate the RTC periodically to compensate for any drift and maintain accurate timekeeping.

- Data Storage Capacity: Select an appropriate storage medium and capacity to accommodate the data logging requirements over the desired timeframe.

- User Interface Design: Design the user interface to be intuitive and informative, providing relevant weather data in a clear and concise manner.

- Power Efficiency: Implement power-saving techniques to prolong battery life and reduce energy consumption, especially in standalone or battery-operated applications.

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6. What is the process for return or replacement of BQ3285LFSS-A1G4?

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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 BQ3285LFSS-A1G4.

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

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