BQ4802YDWR Integrated Circuits (ICs)

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The BQ4802YDWR is a highly programmable real time clocks, designed to track time accurately with minimal power consumption. It is designed to be used in applications with extremely demanding battery or power source requirements. The chip is used in a wide variety of applications, including industrial, medical, automotive, and consumer applications.

The BQ4802YDWR includes a real-time clock, calendar, alarm, wake-up timer, and temperature measurements. This makes it one of the most capable and power-efficient real-time clocks available. The chip has been designed to track time accurately and reliably, with sub-microsecond accuracy and extremely low power consumption.

The chip’s real-time clock (RTC) keeps track of the time and date, and is used to drive its various functions, such as the calendar, alarm, and wake-up timer. The chip also measures ambient temperature, which is useful for a variety of applications. The RTC has an on-chip oscillator which drives the clock, eliminating the need for an external clock source.

The chip also includes a calendar and alarm. The calendar is a 24-hour, seven-day calendar that can be programmed to any specific date and time. The calendar has two selectable alarms, one of which can be used to program wake-up timers. The alarm can be programmed to trigger either immediate or delayed action. It is also capable of tracking up to four independent alarms. This makes it ideal for applications such as medical and industrial timers, as well as consumer-oriented applications such as wake-up and sleep alarms.

The chip also includes a temperature sensor which measures temperature accurately, with a resolution of 0.01°C. This temperature measurement is useful for applications such as environmental and industrial control and monitoring. The temperature measurement and alarm can be used together to control fan speed and other temperature-related functions.

In summary, the BQ4802YDWR is a highly capable and power-efficient real-time clock, suitable for a wide variety of applications, such as industrial, medical, automotive, and consumer applications. By combining an RTC, calendar, alarm, wake-up timer, and temperature measurements, the chip provides a complete time-tracking and alarm solution in an extremely power-efficient package.

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