DS1500YEN+ Integrated Circuits (ICs)

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DS1500YEN_ is an ultra-low-power, real-time clock (RTC) module, which offers a compact all-in-one solution. It features a fast low-power, I2C-bus/SPI Serial Interface, 32.768 kHz oscillator, and a battery switchover/battery detect circuit. This device can provide reliable timekeeping, even during extended hardware or software power down cycles. The DS1500YEN_ is the ideal choice for low-cost, time-keeping applications.

Application Field

The DS1500YEN_ is a platform for applications requiring an ultra-low-power, real-time clock. It includes a 32.768 kHz oscillator, a battery switchover circuit, and an I2C-bus/SPI serial interface. This makes the device useful for applications that require low-cost, reliable timekeeping such as clocks and alarms, date logging, and data capture.

Working Principle

The DS1500YEN_ works by providing a low-power, low-cost, real-time clock. It has an integrated 32.768 kHz oscillator, a battery switchover circuit and an I2C-bus/SPI serial interface. The clock operates in low-power standby mode, using minimal current, when the user is not actively using the device. When the user wants to access the clock, the clock switches into an active mode, using the I2C-bus/SPI serial interface to communicate with the device. The interface allows user access to the timekeeping, battery switchover, and other functions. The internal 32.768 kHz oscillator keeps accurate time, even when the user is in standby mode.

The DS1500YEN_ also includes a battery switchover/battery detect circuit which allows a battery to be connected as a backup power source. The device is capable of switching over to the battery when the main source of power is lost, and will switch back to the main power source when it is restored. This ensures that the clock will continue to operate when external power is lost, and that the battery is not unnecessarily drained when the device is powered.

The DS1500YEN_ is ideal for a variety of low-cost, low-power applications requiring a reliable, accurate clock such as data logging, alarms, and clocks.

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