BQ2204ASN-NTRG4

Introduction

The BQ2204ASN-NTRG4 is a specialized integrated circuit belonging to the category of real-time clock (RTC) devices. This device is commonly used in various electronic applications to provide accurate timekeeping and calendar functions. The BQ2204ASN-NTRG4 offers unique characteristics, packaging options, and essential features that make it suitable for a wide range of applications.

Basic Information Overview

• Category: Real-Time Clock (RTC) Device
• Use: Accurate timekeeping and calendar functions in electronic applications
• Characteristics: Low power consumption, high accuracy, compact size
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Reliable timekeeping and calendar functionality
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier and order size

Specifications

• Operating Voltage: 1.3V to 5.5V
• Time Accuracy: ±2 minutes per month at 25°C
• Operating Temperature Range: -40°C to 85°C
• Clock Output: I2C interface
• Battery Backup: Integrated oscillator and power-fail detection

Detailed Pin Configuration

The BQ2204ASN-NTRG4 features the following pin configuration: 1. VBAT (Battery Input) 2. GND (Ground) 3. SCL (Serial Clock Line) 4. SDA (Serial Data Line) 5. X1 (Crystal Connection) 6. X2 (Crystal Connection) 7. NC (No Connection) 8. VCC (Power Supply)

Functional Features

• Integrated oscillator with external crystal
• Power-fail detection and switch circuitry
• I2C interface for communication
• Battery backup support for maintaining timekeeping during power loss

Advantages and Disadvantages

Advantages

• Low power consumption
• High timekeeping accuracy
• Compact form factor
• Integrated power-fail detection

Disadvantages

• Limited temperature operating range compared to some alternatives
• Requires an external crystal for clock accuracy

Working Principles

The BQ2204ASN-NTRG4 operates by utilizing an integrated oscillator in conjunction with an external crystal to maintain accurate timekeeping. It also incorporates power-fail detection circuitry to ensure seamless transition to battery backup in case of power loss.

Detailed Application Field Plans

The BQ2204ASN-NTRG4 finds extensive application in various electronic devices and systems, including: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the BQ2204ASN-NTRG4 include: - DS3231: A highly accurate RTC module with temperature-compensated crystal oscillator - MCP7940N: RTC device with SRAM and unique ID - PCF85263A: Ultra-low power RTC with alarm function and I2C-bus interface

In conclusion, the BQ2204ASN-NTRG4 is a reliable real-time clock device offering high accuracy and low power consumption, making it suitable for diverse electronic applications.

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