AB1815-T3

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IC RTC CLK/CALENDAR SPI 16-QFN

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type Clock/Calendar
Features Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer
Memory Size 256B
Time Format HH:MM:SS:hh
Date Format YY-MM-DD-dd
Interface SPI
Voltage - Supply 1.7V ~ 3.6V
Voltage - Supply, Battery 1.5V ~ 3.6V
Current - Timekeeping(Max) 0.17µA ~ 0.22µA @ 1.8V ~ 3V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Visão Geral

Description

The AB1815-T3 is a real-time clock (RTC) module designed for applications requiring accurate timekeeping with low power consumption. This module is often used in embedded systems where precise time-tracking is essential, such as in data logging, smart metering, or wearable devices.
Key features of the AB1815-T3 include:
1. Low Power Consumption: It is optimized for low energy usage, making it ideal for battery-operated devices.
2. Timekeeping Accuracy: Provides reliable timekeeping with features like calendar, alarm, and stopwatch functions.
3. Integrated Power Management: Includes a built-in power management system that helps extend battery life.
4. I2C Interface: Allows for easy integration and communication with microcontrollers using the I2C protocol.
5. Wide Temperature Range: Functions efficiently in various environmental conditions, suitable for both consumer and industrial applications.
The AB1815-T3 is valued for its compact design and robust features, often chosen for projects where conserving power while maintaining accurate time is critical.

Equivalent

The AB1815-T3 chip is a real-time clock (RTC) module. Equivalent products include:
1. Microchip MCP7940N - A low-cost RTC with EEPROM and battery switchover features.
2. Maxim DS3231 - A high-precision RTC with integrated temperature-compensated crystal oscillator.
3. NXP PCF8523 - An energy-efficient RTC with a programmable clock output.
4. Epson RX8900 - Offers high stability with its built-in crystal.
Check datasheets for exact feature matches to ensure compatibility.

Features

The AB1815-T3 is a Real-Time Clock (RTC) module known for its energy efficiency and robust feature set. Key features include:
1. Low Power Consumption: Designed to operate with minimal energy, making it suitable for battery-powered applications.

2. Timekeeping: Offers precise timekeeping functions including time, calendar, and alarm features.

3. Battery Backup: Includes a backup power supply to maintain timekeeping even during power outages.

4. Programmable Output: Features programmable frequency output for various applications.

5. I2C Interface: Utilizes the I2C communication protocol, facilitating easy integration with microcontrollers.

6. Temperature Compensation: Ensures accurate timekeeping across a wide temperature range by compensating for temperature variations.

7. Compact Size: Its small form factor makes it suitable for space-constrained designs.
These features make the AB1815-T3 ideal for applications requiring reliable and efficient timekeeping, such as in portable electronics, IoT devices, and other embedded systems.

Pinout

The AB1815-T3 is a real-time clock (RTC) module. It typically features a 14-pin configuration. Here is a concise summary of its pin functions:
1. VCC: Power Supply Pin.
2. GND: Ground Pin.
3. 32KOUT: Outputs a 32.768 kHz clock signal.
4. IRQ: Interrupt Request Output.
5. SDA: Serial Data Line for I2C Communication.
6. SCL: Serial Clock Line for I2C Communication.
7. FOUT: Frequency Output, providing programmable frequency.
8. CE: Chip Enable for SPI communication.
9. SDI: Serial Data Input for SPI communication.
10. SDO: Serial Data Output for SPI communication.
11. SCLK: Serial Clock for SPI communication.
12-14. NC: No Connection (or reserved for future use).
Each pin serves specific functions to facilitate communication and operation of the RTC within an electronic system. The I2C and SPI interfaces allow for flexible integration into various applications. For precise pin functions and any updates, consulting the datasheet is recommended.

Manufacturer

The AB1815-T3 is manufactured by Abracon. Abracon is a company that specializes in providing frequency control, timing, synchronization, RF, connectivity, and power solutions. They produce components such as oscillators, crystals, resonators, antennas, and various other related electronic components. Abracon serves a wide range of industries including telecommunications, automotive, industrial, consumer electronics, and more, offering products that are essential for ensuring precise timing and connectivity in electronic devices and systems.

Application

The AB1815-T3 is a real-time clock (RTC) module, commonly used in applications requiring accurate timekeeping and low power consumption. Its primary application areas include:
1. Consumer Electronics: Devices like smartphones, tablets, and wearables for timekeeping functions.
2. Industrial Automation: Equipment needing precise timing for scheduling and automation tasks.
3. Telecommunications: Systems requiring time synchronization.
4. IoT Devices: Low-power applications needing reliable timestamps.
5. Automotive: For time-stamping events and scheduling in vehicle electronics.
6. Medical Devices: Equipment that requires precise timing for monitoring and logging.
These applications benefit from the AB1815-T3's low power consumption and high accuracy.

Package

The AB1815-T3 is an integrated circuit packaged in a 10-pin DFN (Dual Flat No-Lead) package. This package type is compact and suitable for surface mounting, featuring a small footprint ideal for space-constrained applications.

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