BQ4850YMA-85

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Real Time Clocks (RTCs) are used for synchronizing time and generating interrupts or triggering events at specified moments in time. The BQ4850YMA-85 is a low-power, high-accuracy Li-Ion battery-powered or USB-powered RTC device with an integrated oscillator. It is an extremely precise clock device that keeps time with exceptional accuracy over an extended operating temperature range. As such, it is suitable for applications that require precise and reliable timekeeping, such as data logging, remote monitoring and data synchronization.

The BQ4850YMA-85 utilizes a novel time-keeping technology known as piezoelectric quartz crystal combined with dedicated hardware ICs that accurately convert electrical signals into time. It features a 32.768kHz quartz oscillator with a very low power consumption, built-in crystal oscillator, and integrated high accuracy analog-to-digital converters.The device supports a battery-backup, and the internal programmable alarm of the device can generate an interrupt upon power loss.

The BQ4850YMA-85 is a highly integrated, low-power and extremely accurate RTC device. It is based on the MSP430 platform, and it offers several high-performance features to meet a wide range of timekeeping and power management needs. It has a number of advantages over other RTCs, such as high accuracy, low power consumption, wide temperature range, and low cost. The device also includes a programmable, integrated voltage supervisor and RTC backup module, plus an external EEPROM for storing additional data or configuration settings.

The BQ4850YMA-85\'s minimalistic architecture and high integration level make it an ideal solution for applications that require precise and reliable timekeeping. In addition, the device can be easily integrated into existing systems and designed to use a minimal amount of hardware and software components. The device features both a hardware and software interface, which allows developers to configure, control and monitor the device using simple commands.

The BQ4850YMA-85’s timekeeping accuracy is achieved by the use of a dedicated high-accuracy crystal oscillator. This oscillator can be driven by either a quartz-crystal or an MEMS resonator to provide highly accurate timekeeping independent of the power supply source. In addition, the device includes an on-chip temperature-compensated oscillator (TCXO) for additional accuracy and stability over temperature changes.

Due to its low-power requirements and high accuracy, the BQ4850YMA-85 is suitable for a wide range of applications such as data logging, remote monitoring, real-time performance logging and synchronization, and alarm-based incoming-call or reminder notification. Its small form factor and minimalistic design also make it an ideal choice for embedded applications such as vehicle systems, medical devices and handheld devices.

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