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ISL12028IBAZ-T
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ISL12028IBAZ-T

Product Overview

Category

The ISL12028IBAZ-T belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and calendar functions in various electronic devices.

Characteristics

  • Low power consumption
  • High accuracy
  • Integrated crystal compensation
  • I2C interface for easy communication with microcontrollers

Package

The ISL12028IBAZ-T comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of this product lies in its ability to accurately keep track of time and date, providing reliable timekeeping functionality to electronic systems.

Packaging/Quantity

The ISL12028IBAZ-T is typically packaged in reels, containing a specified quantity of units per reel. The exact packaging and quantity can vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Accuracy: ±5ppm at 25°C
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Frequency: Up to 400kHz
  • Battery Backup Voltage: 1.3V to 5.5V

Detailed Pin Configuration

The ISL12028IBAZ-T has the following pin configuration:

  1. VBAT - Battery Backup Input
  2. GND - Ground
  3. SDA - I2C Serial Data
  4. SCL - I2C Serial Clock
  5. VCC - Power Supply Input

Functional Features

  • Automatic leap year compensation
  • Alarm and timer functions
  • Programmable square wave output
  • Power-fail detection and switch circuitry
  • Battery backup support

Advantages and Disadvantages

Advantages

  • Low power consumption extends battery life
  • High accuracy ensures precise timekeeping
  • Integrated crystal compensation eliminates the need for external components
  • I2C interface simplifies communication with microcontrollers

Disadvantages

  • Limited temperature range for operation (-40°C to +85°C)
  • Requires an external battery backup for uninterrupted timekeeping during power loss

Working Principles

The ISL12028IBAZ-T utilizes a built-in oscillator and counter circuitry to accurately measure time. It relies on an integrated crystal compensation mechanism to compensate for frequency variations caused by temperature changes. The device communicates with a microcontroller through the I2C interface, allowing for easy configuration and retrieval of time and date information.

Detailed Application Field Plans

The ISL12028IBAZ-T finds applications in various electronic devices that require accurate timekeeping and calendar functionality. Some potential application fields include:

  1. Consumer Electronics: Smartphones, tablets, digital cameras
  2. Industrial Automation: Programmable logic controllers (PLCs), data loggers
  3. Automotive: Infotainment systems, dashboard displays
  4. Medical Devices: Patient monitoring systems, medical equipment
  5. Internet of Things (IoT): Smart home devices, wearable technology

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock Module with I2C Interface
  2. PCF8563 - Low-Power Real-Time Clock with Alarm Function
  3. MCP7940N - I2C Real-Time Clock/Calendar with SRAM

These alternative models offer similar functionality and can be considered as alternatives to the ISL12028IBAZ-T based on specific requirements and preferences.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von ISL12028IBAZ-T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of ISL12028IBAZ-T in technical solutions:

  1. Q: What is the ISL12028IBAZ-T? A: The ISL12028IBAZ-T is a real-time clock (RTC) module with an integrated crystal, designed for accurate timekeeping in various technical applications.

  2. Q: What are the key features of the ISL12028IBAZ-T? A: Some key features include low power consumption, I2C interface, battery backup, alarm functionality, and temperature compensation.

  3. Q: How does the ISL12028IBAZ-T connect to a microcontroller or system? A: The ISL12028IBAZ-T uses the I2C interface to communicate with a microcontroller or system, allowing for easy integration into existing designs.

  4. Q: Can the ISL12028IBAZ-T operate on battery power? A: Yes, the ISL12028IBAZ-T has a built-in battery backup feature that allows it to continue keeping time even when the main power source is disconnected.

  5. Q: Does the ISL12028IBAZ-T support alarms or interrupts? A: Yes, the ISL12028IBAZ-T has programmable alarms that can trigger interrupts, making it suitable for time-sensitive applications.

  6. Q: Is the ISL12028IBAZ-T accurate over a wide temperature range? A: Yes, the ISL12028IBAZ-T incorporates temperature compensation techniques to maintain accurate timekeeping even in varying temperature conditions.

  7. Q: Can the ISL12028IBAZ-T be used in battery-powered devices? A: Absolutely, the low power consumption of the ISL12028IBAZ-T makes it well-suited for battery-powered devices, extending the battery life.

  8. Q: Does the ISL12028IBAZ-T require any external components? A: No, the ISL12028IBAZ-T has an integrated crystal oscillator, eliminating the need for external components and simplifying the design.

  9. Q: Can the ISL12028IBAZ-T be used in industrial applications? A: Yes, the ISL12028IBAZ-T is designed to meet industrial-grade specifications, making it suitable for a wide range of industrial applications.

  10. Q: Are there any development tools or resources available for the ISL12028IBAZ-T? A: Yes, Intersil (now Renesas Electronics) provides datasheets, application notes, and evaluation boards to assist with the integration and development of the ISL12028IBAZ-T in technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases.