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BQ4845YS-A4N

BQ4845YS-A4N

Manufacturer No:

BQ4845YS-A4N

Manufacturer:

Texas Instruments

Description:

IC RTC CLK/CALENDAR PAR 28SOIC

Datasheet:

Datasheet

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BQ4845YS-A4N Specifications

  • Type
    Parameter
  • Supplier Device Package
    28-SOIC
  • Package / Case
    28-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    4.5V ~ 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 BQ4845YS-A4N is an integrated circuit chip that is commonly used as a real-time clock (RTC) in various electronic devices. Some of the advantages and application scenarios of this chip are:1. Accuracy: The BQ4845YS-A4N provides highly accurate timekeeping with a typical accuracy of ±2 minutes per year. This makes it suitable for applications that require precise timekeeping, such as industrial automation systems, medical devices, and scientific instruments.2. Battery Backup: The chip has an integrated battery backup feature that allows it to continue keeping time even when the main power supply is disconnected. This is particularly useful in devices that need to maintain accurate time during power outages or when the device is turned off.3. Low Power Consumption: The BQ4845YS-A4N is designed to operate with low power consumption, making it suitable for battery-powered devices. It has a standby current of typically 0.5μA, which helps to extend the battery life of the device.4. I2C Interface: The chip communicates with the microcontroller or host system using the I2C (Inter-Integrated Circuit) interface. This interface allows for easy integration with a wide range of microcontrollers and simplifies the communication between the RTC and the host system.5. Alarm Functionality: The BQ4845YS-A4N includes alarm functionality, allowing it to generate interrupts or trigger specific actions at predefined times. This feature is useful in applications that require scheduled events or time-based alarms, such as wake-up alarms in consumer electronics or event triggering in industrial control systems.6. Small Form Factor: The chip comes in a small package, typically in a 16-pin SOIC (Small Outline Integrated Circuit) package. This compact size makes it suitable for space-constrained applications, such as wearable devices, IoT (Internet of Things) devices, and small embedded systems.Overall, the BQ4845YS-A4N integrated circuit chip offers accurate timekeeping, low power consumption, battery backup, and alarm functionality, making it suitable for a wide range of applications that require reliable real-time clock functionality.
BQ4845YS-A4N Relevant information