MCP795B10-I/SL

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The MCP795B10-I/SL is a Real Time Clock (RTC) integrated circuit that offers long-term accuracy and high temperature stability. It is suitable for use in embedded systems and IoT applications. The MCP795B10-I/SL is an ideal choice for low power Time-of-Day (ToD) applications requiring I2C or SPI interface settings and periodic time reset capability.

MCP795B10-I/SL\'s application field mainly applies to wide applications such as IoT, automotive, medical, industrial, and consumer electronics, etc.

The primary benefit of the MCP795B10-I/SL is its low-power operation, which enables battery-operated devices to operate independently for years. It integrates a super-capacitor to provide backup power when the main power fails, as well as an automatic power-down/wake-up feature that enables it to operate in low-power (standby) mode.

In addition to its superior low-power operation, the MCP795B10-I/SL also offers accurate and reliable timekeeping of up to 1 day with a 32.7 ppb (parts-per-billion) drift. It also includes an on-chip oscillator to help reduce the influence of temperature and voltage fluctuations on timekeeping accuracy.

The integrated oscillator of the MCP795B10-I/SL requires no external clock source to provide timekeeping accuracy and reliability, making it an ideal choice for applications where the main power supply can fail. In addition, the clock operates at a wide range of temperatures (-40°C to +125°C), making it suitable for operation in harsh industrial environments.

Furthermore, the MCP795B10-I/SL has an integrated interconnect to an external controller using I2C or SPI communications. This allows the external controller to periodically control the operation of the clock, as well as to perform operations such as time reset and alarm settings.

The working principle of the MCP795B10-I/SL is relatively simple. The integrated oscillator runs at a nominal frequency of 32.768kHz and provides an output signal on the OSC pin. This signal is divided by 128 to generate a 1 Hz signal, which is used to derive the time of day, as well as the periodic alarms and interrupts. The output of the RT computed is provided via the I2C port.

In summary, the MCP795B10-I/SL is an ideal Real Time Clock for applications requiring low power operation, low drift, and accurate, reliable timekeeping. With its integrated oscillator, I2C/SPI communications, and ability to operate across a wide range of temperatures, this RTC provides a versatile, long-term solution for Time-of-Day applications.

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