BQ3285LDSS

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The BQ3285LDSS is a low-power, low-voltage real-time clock that combines a rechargeable power source, and advanced power management capability that allows the device to provide timing services even when the main power source fails. The device can operate on as little as 1.4V and is available in a small 3 x 3mm 16-pin QFN package.

The BQ3285LDSS is rated to operate over a temperature range of -40°C to +85°C, making it ideal for applications in the automotive, industrial and instrumentation, and consumer markets. It is also available in versions with enhanced voltage and temperature characteristics to meet the needs of these and other applications.

The BQ3285LDSS is a clock/timing device that provides both accurate time information and a method of ensuring that the clock is running correctly, even in the event of a power outage. It consists of a real-time clock (RTC) module, a crystal oscillator, a voltage detector, and an internal power management circuit.

The RTC module is programmable and keeps track of the current date and time. It is also capable of auto-calibrating itself to ensure that the time is kept accurately. The internal crystal oscillator provides a stable reference for the system and helps maintain accuracy. The voltage detector monitors the power supply and will inform the system if the power source becomes unstable or fails.

The internal power management circuit ensures that the device continues to keep track of the current date and time even when the power supply is lost. It will also initiate a protective action if the supply voltage falls below a pre-defined voltage threshold. This feature enables the device to be used in applications where the main power supply is vulnerable to fluctuations or failures.

In addition to the timekeeping functions, the BQ3285LDSS also provides a number of other features. These include an alarm function, a power-on reset feature and an interrupt capability. The alarm can be used to generate an alarm signal when a certain time is reached, while the power-on reset ensures that the device maintains the correct time after it is disconnected from the power supply. The interrupt capability allows the device to alert connected system components when certain events occur.

The BQ3285LDSS is a highly efficient and cost-effective real-time clock that is well suited for use in a variety of applications. Its low power consumption, wide temperature range and advanced power management features make it an ideal choice for applications that require reliable and accurate time information.

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