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PCF2131TFY

Name: PCF2131TFY
Rating: 4.7 (12 reviews)

IC RTC CLK/CALENDAR I2C 16HLSON

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仕様

Part Status	Active
DigiKey Programmable	Not Verified
Type	Clock/Calendar
Features	Alarm, Leap Year, Watchdog Timer
Time Format	HH:MM:SS:hh (12/24 hr)
Date Format	YY-MM-DD-dd
Interface	I2C, SPI
Voltage - Supply	1.2V ~ 5.5V
Voltage - Supply, Battery	1.2V ~ 5.5V
Current - Timekeeping (Max)	770nA ~ 2.135µA @ 1.2V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount, Wettable Flank
Package / Case	16-LFDFN Exposed Pad
Supplier Device Package	16-HLSON (4.5x3.5)

概要

Description

The PCF2131TFY is a real-time clock (RTC) integrated circuit (IC) designed for timekeeping applications in embedded systems. It operates on a supply voltage of 1.0 to 5.5 volts and features a low power consumption mode, making it suitable for battery-operated devices. The device typically includes functions such as a programmable alarm, timer, and temperature compensation, ensuring accurate timekeeping across various conditions.
The PCF2131TFY communicates via I2C or SPI interfaces, allowing easy integration with microcontrollers. Additionally, it provides a user-friendly interface for setting and reading time and date information. The IC is often used in applications like consumer electronics, automotive systems, and industrial equipment where precise time management is crucial.
With its compact size and robust performance, the PCF2131TFY is an ideal choice for designers seeking an efficient and reliable RTC solution in their products.

Features

The PCF2131TFY is a real-time clock (RTC) IC designed primarily for battery-powered applications. Key features include:
1. Timekeeping Accuracy: Maintains accurate time with a built-in quartz crystal oscillator.
2. Low Power Consumption: Designed for low power usage, making it suitable for portable devices.
3. I2C Interface: Communicates with microcontrollers and processors via a simple I2C interface.
4. Wide Operating Voltage: Functions over a broad voltage range, typically from 1.8V to 5.5V.
5. Programmable Alarms: Supports programmable alarms for time-based trigger events.
6. Temperature Compensation: Offers temperature-compensated timing for enhanced accuracy.
7. Battery Backup: Features a battery backup input for maintaining time during power outages.
8. Date and Time Tracking: Capable of tracking seconds, minutes, hours, day, date, month, and year.
Overall, the PCF2131TFY is ideal for applications requiring precise timekeeping with minimal power consumption.

Package

The PCF2131TFY is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. This surface-mount package design is known for its compact size, making it suitable for space-constrained applications.

Pinout

The PCF2131TFY is a real-time clock (RTC) and calendar IC with a 16-pin TSSOP package. It features various functions essential for timekeeping applications. The pin count is 16, and the main functions include:
1. VDD: Power supply pin (2.5V to 5.5V).
2. GND: Ground reference.
3. SCL: Clock line for I2C communication.
4. SDA: Data line for I2C communication.
5. IRQ: Interrupt output for alarm and timer functions.
6. OUT: Output pin for clock signal.
7. RESET: Reset pin for device initialization.
8. SQW: Square wave output for periodic signals.
9. ALARM: Alarm function pins for setting alarm conditions.
10. VBACKUP: Backup power input for maintaining time during power loss.
The PCF2131TFY is commonly used in applications requiring precise timekeeping, such as in embedded systems, portable devices, and industrial equipment.

Manufacturer

The PCF2131TFY is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in high-performance mixed-signal and standard product solutions, including microcontrollers, processors, and connectivity solutions. They focus on automotive, industrial, and Internet of Things (IoT) applications. NXP serves various markets by providing innovative technologies that enhance performance and efficiency in electronic devices. The company was formed in 2006 as a spin-off from Philips and has since become a key player in the semiconductor industry, known for its commitment to quality and innovation.

Application

The PCF2131TFY is a real-time clock (RTC) integrated circuit used in various applications, including consumer electronics, industrial automation, automotive systems, and smart home devices. It provides accurate timekeeping, calendar functions, and low power consumption, making it ideal for systems requiring time-stamping, event logging, or scheduled operations. Its versatility allows integration in battery-operated devices and systems needing precise time management.

Equivalent

The PCF2131TFY is a real-time clock (RTC) chip. Equivalent products include the DS3231, MCP79410, and PCF8523. These RTCs offer similar features like timekeeping, alarm functions, and battery backup options, but may differ in pin configuration and power consumption. Always verify specific requirements and compatibility for your application.