Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
BQ2204ASN-N
Ver Detalle Hojas de datos

BQ2204ASN-N

Product Overview

Category

BQ2204ASN-N belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for timekeeping and real-time clock (RTC) applications.

Characteristics

  • BQ2204ASN-N is a low-power, highly accurate RTC IC.
  • It operates with a supply voltage range of 2.7V to 5.5V.
  • The device offers a temperature-compensated crystal oscillator (TCXO) with an accuracy of ±2 minutes per month.
  • It has a built-in power-on reset circuit.
  • BQ2204ASN-N features a programmable square wave output.

Package

The BQ2204ASN-N IC is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of BQ2204ASN-N lies in its ability to provide precise timekeeping functionality in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Accuracy: ±2 minutes per month
  • Output Type: Square Wave
  • Package Type: SOIC

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground connection
  3. SQW/OUT: Programmable square wave output
  4. SCL: Serial clock input
  5. SDA: Serial data input/output
  6. X1: Crystal oscillator input
  7. X2: Crystal oscillator output

Functional Features

  • Timekeeping: BQ2204ASN-N provides accurate timekeeping functionality.
  • Power-On Reset: The built-in power-on reset circuit ensures proper initialization upon power-up.
  • Programmable Square Wave Output: The device offers a programmable square wave output for various applications.

Advantages and Disadvantages

Advantages

  • High accuracy in timekeeping applications
  • Low power consumption
  • Wide operating voltage range
  • Compact SOIC package

Disadvantages

  • Limited temperature compensation range (-40°C to +85°C)
  • Requires an external crystal oscillator for operation

Working Principles

BQ2204ASN-N utilizes a temperature-compensated crystal oscillator (TCXO) to maintain accurate timekeeping. The crystal oscillator generates a stable frequency that is divided to produce the desired timekeeping signals. The built-in power-on reset circuit ensures proper initialization of the device upon power-up.

Detailed Application Field Plans

BQ2204ASN-N finds application in a wide range of electronic devices requiring precise timekeeping, such as: - Smartwatches - Medical equipment - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. BQ32000DR: Similar low-power RTC IC with I2C interface.
  2. DS1307: Real-time clock IC with serial interface and battery backup.
  3. PCF8563: Low-power RTC IC with I2C-bus interface and alarm function.

These alternative models offer similar functionality and can be considered as substitutes for BQ2204ASN-N in different applications.

Word count: 420 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BQ2204ASN-N en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of BQ2204ASN-N in technical solutions:

  1. Question: What is BQ2204ASN-N?
    - Answer: BQ2204ASN-N is a specific model of a real-time clock (RTC) integrated circuit (IC) manufactured by Texas Instruments.

  2. Question: What is the purpose of using BQ2204ASN-N in technical solutions?
    - Answer: BQ2204ASN-N is used as a timing component in various electronic devices, providing accurate timekeeping functionality.

  3. Question: How does BQ2204ASN-N maintain accurate timekeeping?
    - Answer: BQ2204ASN-N utilizes an internal oscillator and a backup battery to ensure continuous timekeeping even during power loss or interruptions.

  4. Question: What is the operating voltage range for BQ2204ASN-N?
    - Answer: BQ2204ASN-N operates within a voltage range of 2.7V to 5.5V.

  5. Question: Can BQ2204ASN-N be used in battery-powered devices?
    - Answer: Yes, BQ2204ASN-N is suitable for battery-powered devices due to its low power consumption and support for backup battery operation.

  6. Question: Does BQ2204ASN-N support alarm functionality?
    - Answer: Yes, BQ2204ASN-N features programmable alarms that can trigger interrupts or other actions based on specific time settings.

  7. Question: Can BQ2204ASN-N be interfaced with microcontrollers or other digital systems?
    - Answer: Yes, BQ2204ASN-N provides an I2C interface, allowing easy integration with microcontrollers and other digital systems.

  8. Question: Is BQ2204ASN-N capable of generating square wave outputs?
    - Answer: Yes, BQ2204ASN-N can generate square wave outputs with selectable frequencies, which can be used for various timing applications.

  9. Question: Does BQ2204ASN-N have built-in temperature compensation?
    - Answer: Yes, BQ2204ASN-N incorporates temperature compensation to ensure accurate timekeeping even in varying temperature conditions.

  10. Question: Are there any specific application notes or reference designs available for BQ2204ASN-N?
    - Answer: Yes, Texas Instruments provides application notes and reference designs that can help users implement BQ2204ASN-N in their technical solutions effectively.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of BQ2204ASN-N in different technical solutions.