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Name: MCP795B20-I/ST
Brand: Microchip Technology
SKU: MCP795B20-I/ST
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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Microchip Technology MCP795B20-I/ST

Part No.:: MCP795B20-I/ST

Manufacturer:: Microchip Technology

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP795B20-I/ST.pdf

Description:: IC RTC CLK/CALENDAR SPI 14-TSSOP

In Stock:: 2346

Quantity:: Add To Cart

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MCP795B20-I/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP795B20-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795B20-I/ST 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 MCP795B20-I/ST 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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MCP795B20-I/ST information

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Basic introduction and simple engineering application of MCP795B20-I/ST

MCP795B20-I/ST is a real-time clock (RTC) chip manufactured by Microchip Technology, offering accurate timekeeping and calendar functionality. It is widely used in electronic devices requiring precise timekeeping, such as data loggers, medical devices, and automotive applications.

Application Scenario:

In a simple project, MCP795B20-I/ST can be utilized to timestamp data acquisition in a temperature monitoring system. The RTC functionality ensures accurate logging of temperature readings over time, enabling analysis and trend identification.

Circuit Design:

To implement a temperature monitoring system with MCP795B20-I/ST, follow these steps:

1. Connection Setup:

Connect MCP795B20-I/ST to a microcontroller or single-board computer (SBC) via the I2C or SPI interface. Ensure proper power supply and decoupling capacitors for stable operation.

2. Temperature Sensor Integration:

Interface a temperature sensor, such as a digital temperature sensor like the DS18B20, to the microcontroller. Configure the microcontroller to read temperature data from the sensor periodically.

3. RTC Initialization:

Initialize the MCP795B20-I/ST RTC module with the current date and time. Set up alarm functionality if periodic temperature readings are required.

4. Data Logging:

Read temperature data from the sensor and timestamp it using the RTC module. Store the data in non-volatile memory, such as an EEPROM or an SD card, for later analysis.

5. Display and Analysis:

Integrate a display interface, such as an LCD or OLED display, to provide real-time temperature readings along with the timestamp information. Develop software algorithms to analyze temperature trends over time.

Experiment Steps:

Step 1: Connect MCP795B20-I/ST to an Arduino Uno board using the I2C interface. Ensure proper wiring and connections.

Step 2: Write an Arduino sketch to initialize the RTC module and read the current time from MCP795B20-I/ST.

Step 3: Interface a digital temperature sensor, such as the DS18B20, to the Arduino board. Modify the sketch to read temperature data from the sensor.

Step 4: Implement a data logging function to timestamp temperature readings using the RTC module. Store the data in the Arduino's EEPROM or serial monitor for testing.

Step 5: Display the temperature readings along with timestamps on an LCD display connected to the Arduino board. Monitor the temperature changes over time.

Considerations:

- Power Supply: Ensure stable power supply to MCP795B20-I/ST and the microcontroller for reliable operation.

- Communication Protocol: Choose the appropriate communication protocol (I2C or SPI) based on the microcontroller's compatibility and project requirements.

- Data Accuracy: Calibrate the temperature sensor for accurate temperature readings and verify RTC accuracy periodically.

- Data Storage: Implement efficient data storage techniques to prevent data loss and ensure long-term reliability.

- User Interface: Design a user-friendly interface for displaying temperature data and system status, facilitating ease of use and troubleshooting.

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