What is the Additional Feature ?

Name: DS12885TN+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885TN+
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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Analog Devices Inc./Maxim Integrated DS12885TN+

Part No.:: DS12885TN+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 32-TQFP

Datasheet:: DS12885TN+.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-TQFP

In Stock:: 2125

Quantity:: Add To Cart

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DS12885TN+ Specifications

Package/Case:
32-TQFP
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
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):
15mA @ 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS12885TN+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS12885TN+ 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 DS12885TN+ 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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DS12885TN+ information

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Basic introduction and simple engineering application of DS12885TN+

DS12885TN+ is a real-time clock (RTC) module with integrated battery backup, commonly used in electronic projects for timekeeping and scheduling tasks. It features a highly accurate clock/calendar, alarm functionality, and non-volatile memory.

Application Scenario:

In an automated irrigation system, DS12885TN+ can be utilized to schedule watering times and maintain accurate timekeeping for synchronization with other system components.

Circuit Design:

To design an automated irrigation system using DS12885TN+, follow these steps:

1. RTC Module Integration:

Connect DS12885TN+ to the microcontroller or single-board computer (SBC) using the Inter-Integrated Circuit (I2C) protocol. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Sensor Interface:

Connect moisture sensors to the input pins of the microcontroller or SBC. These sensors measure soil moisture levels and determine when watering is required.

3. Solenoid Valve Control:

Connect solenoid valves to the output pins of the microcontroller or SBC. These valves control the flow of water to the irrigation system based on the moisture sensor readings and scheduled watering times.

4. User Interface:

Integrate a user interface, such as an LCD display or LEDs, to provide feedback on the irrigation system's status and scheduled watering times. Utilize GPIO pins of the microcontroller or SBC for interfacing with the display components.

5. Power Management:

Ensure proper power supply to DS12885TN+ and the microcontroller or SBC. Use voltage regulators and decoupling capacitors to stabilize the voltage levels and minimize noise.

Experiment Steps:

Step 1: Connect DS12885TN+ to the microcontroller or SBC according to the datasheet specifications, ensuring proper wiring and connections.

Step 2: Interface moisture sensors with the microcontroller or SBC, ensuring accurate readings of soil moisture levels.

Step 3: Program the microcontroller or SBC to read moisture sensor data periodically and compare it with predefined thresholds to determine watering requirements.

Step 4: Implement scheduling logic using DS12885TN+ to define watering times and intervals based on user preferences or environmental conditions.

Step 5: Control solenoid valves based on moisture sensor readings and scheduled watering times to regulate water flow to the irrigation system.

Considerations:

- Calibration: Calibrate moisture sensors periodically to ensure accurate readings and optimal irrigation performance.

- Power Efficiency: Implement sleep modes or low-power states in the microcontroller or SBC firmware to minimize power consumption during idle periods.

- Error Handling: Implement robust error handling mechanisms in the firmware to handle communication errors with DS12885TN+ or sensor malfunctioning.

- Weather Conditions: Consider incorporating additional sensors, such as temperature and humidity sensors, to adjust watering schedules based on weather conditions.

- System Testing: Thoroughly test the automated irrigation system under various environmental conditions to ensure reliable operation and optimal water conservation.

DS12885TN+ FAQ

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3. Are the DS12885TN+ price and inventory displayed accurate?

The price and inventory of DS12885TN+ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DS12885TN+?

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 DS12885TN+ we delivered, we will accept the replacement or return of the DS12885TN+ 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 DS12885TN+.

(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