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BQ4845S-A4

BQ4845S-A4

Manufacturer No:

BQ4845S-A4

Manufacturer:

Texas Instruments

Description:

IC RTC CLK/CALENDAR PAR 28SOIC

Datasheet:

Datasheet

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BQ4845S-A4 Specifications

  • Type
    Parameter
  • Supplier Device Package
    28-SOIC
  • Package / Case
    28-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.75V ~ 5.5V
  • Interface
    Parallel
  • Date Format
    YY-MM-DD-dd
  • Time Format
    HH:MM:SS (12/24 hr)
  • Features
    Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
  • Type
    Clock/Calendar
  • DigiKey Programmable
    Not Verified
  • Product Status
    Obsolete
  • Packaging
    Tube
  • Series
    -
The BQ4845S-A4 is a real-time clock (RTC) integrated circuit chip manufactured by Texas Instruments. It offers several advantages and can be used in various application scenarios. Here are some of the advantages and application scenarios of the BQ4845S-A4:Advantages: 1. Low power consumption: The BQ4845S-A4 is designed to operate with minimal power consumption, making it suitable for battery-powered devices or applications where power efficiency is crucial. 2. Accurate timekeeping: The chip utilizes an on-chip quartz crystal oscillator, which provides precise timekeeping with low drift over a wide temperature range. 3. Non-volatile memory: The BQ4845S-A4 has built-in non-volatile RAM (NVRAM) that can store time and date information even when the power is disconnected. This feature ensures that the RTC retains accurate time and date information during power cycles or outages. 4. I2C interface: The chip communicates with the host microcontroller or system through the I2C serial interface, which is a widely used and standardized communication protocol. 5. Alarm functionality: The BQ4845S-A4 supports programmable alarms, allowing the system to generate interrupts or trigger specific actions at predefined times.Application scenarios: 1. Embedded systems: The BQ4845S-A4 is commonly used in embedded systems that require accurate timekeeping, such as industrial automation, data loggers, and control systems. 2. Consumer electronics: The chip can be utilized in various consumer electronic devices, including digital cameras, set-top boxes, home appliances, and wearable devices, where accurate timekeeping is essential. 3. Medical devices: Medical equipment often requires precise timekeeping for scheduling, data logging, or synchronization purposes. The BQ4845S-A4 can be used in medical devices like patient monitors, infusion pumps, or diagnostic equipment. 4. Automotive applications: The chip can be employed in automotive systems that require accurate timekeeping, such as dashboard clocks, event logging, or data recorders. 5. Internet of Things (IoT): With its low power consumption and accurate timekeeping capabilities, the BQ4845S-A4 can be integrated into IoT devices, including smart home automation systems, environmental monitoring devices, or asset tracking solutions.These are just a few examples of the advantages and application scenarios of the BQ4845S-A4 integrated circuit chip. Its versatility and reliability make it suitable for a wide range of applications where accurate timekeeping is required.
BQ4845S-A4 Relevant information