BQ4845S-A4NG4

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Clock/Calendar
Features:	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
Memory Size:	--
Time Format:	HH:MM:SS (12/24 hr)
Date Format:	YY-MM-DD-dd
Interface:	Parallel
Voltage - Supply:	4.75 V ~ 5.5 V
Voltage - Supply, Battery:	2.3 V ~ 4 V
Current - Timekeeping (Max):	1.5mA (Typ) @ 4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOIC
Base Part Number:	BQ4845

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BQ4845S-A4NG4 Real Time Clock Application and Working Principle

Real time clocks are a type of clock that keep track of the current time by utilizing signals from the Global Positioning System (GPS) satellites. By receiving a signal, the clock can calculate the exact time and can store and maintain the time accurately even when the power is lost. Such a device is the BQ4845S-A4NG4, which can be utilized in a variety of applications.

Applications

The BQ4845S-A4NG4 is a low-power, low-cost, GPS-enabled real-time clock (RTC) device. This device can be utilized in a variety of applications that require accurate and reliable time synchronization. It is commonly used in automobiles, navigation systems, computer networks, industrial and medical equipment, and process control and automation applications. The BQ4845S-A4NG4 is also designed to be simple to use, with a high level of integration, which simplifies its application.

Working Principle

The working principle of the BQ4845S-A4NG4 involves receiving signals from GPS satellites and then converting them into time-stamp information. The BQ4845S-A4NG4 is able to identify and capture the time signals and convert them into a human readable form. Once the satellite signals have been captured and converted, the BQ4845S-A4NG4 can use the data to accurately calculate the local time and date. The BQ4845S-A4NG4 also features an alarm functionality, so it can be used to create periodic alerts.The BQ4845S-A4NG4 has two main components: a specially designed analog-to-digital converter, and a microcontroller for processing and control. The analog-to-digital converter captures the signals from the satellites and converts them into a digital representation of the time/date information. The microcontroller processes the data and uses it to adjust the local time/date information accordingly. The device can also be used to program and set alarms.

Conclusion

The BQ4845S-A4NG4 real time clock is a low-power, low-cost, GPS-enabled device that is suitable for a variety of applications. It can accurately capture and convert time signals from the Global Positioning System, and then store and maintain the time information in a stable and reliable manner. The device also features an alarm that can be used to create periodic alerts. With its high-level of integration, the BQ4845S-A4NG4 is simple to use and manage, making it a valuable asset for many projects and applications.

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