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BQ4845YS-A4

BQ4845YS-A4

Manufacturer No:

BQ4845YS-A4

Manufacturer:

Texas Instruments

Description:

IC RTC CLK/CALENDAR PAR 28SOIC

Datasheet:

Datasheet

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BQ4845YS-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
    4.5V ~ 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-A4 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-A4 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, which 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-A4 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 is widely supported by microcontrollers and allows for easy integration into various electronic systems.5. Alarm and Timer Functions: The BQ4845YS-A4 includes alarm and timer functions, which can be programmed to trigger specific events or actions at predefined times. This makes it useful in applications such as alarm clocks, scheduling systems, and event logging.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, small appliances, and embedded systems.Overall, the BQ4845YS-A4 integrated circuit chip offers accurate timekeeping, battery backup, low power consumption, and various features that make it suitable for a wide range of applications requiring real-time clock functionality.
BQ4845YS-A4 Relevant information