BQ4802YDSH

The BQ4802YDSH is a real-time clock component in the Clock/Timing category. This component provides the user with accurate time information, including decade counters, alarm outputs, and pulse width modulation outputs. The component is widely used in various applications and has become prevalent in the embedded system space, providing clock solutions for industrial, automotive and home automation products.

Introduction

The BQ4802YDSH is a Real Time Clock (RTC) component designed for use in Clock/Timing applications. It is an embodiment of advanced integrated circuit technology that offers a variety of functions, including decade counters, alarm outputs, and pulse width modulation (PWM) outputs. This component comprises an integrated circuit, a crystal oscillator, and a quartz crystal, all of which are housed in a compact TSSOP-14 package. These components are interconnected allowing the component to accurately maintain time throughout its operating life.

Application Fields

The BQ4802YDSH is a versatile component found in a variety of applications. Industrial applications including vending machines, automatic teller machines, industrial measurement devices, as well as metering systems make use of this component. Additionally, the component is used in automobile applications such as fuel injection systems and engine control monitors, as well as safety accessories such as seatbelt sensors. Furthermore, the component has proven to be ideal for applications in home automation and security systems, where precise timing and monitoring is essential.

Working Principle

The BQ4802YDSH is essentially an integrated timing circuit that is made up of several components. At the heart of the component is an integrated circuit (IC) designed for dedicated timing functions. This IC contains a quartz crystal connected to its clock input pin, which when triggered will cause the IC to count a time interval and generate an output signal. This output signal can then be used to trigger external devices, measure and output data, or display information. The quartz crystal and IC are surrounded by a sealed enclosure that keeps out dust, moisture, and other environmental influences that may affect the component’s accuracy over time. Furthermore, the component also houses a battery back-up unit, which powers the component in the event of a power failure, ensuring that accurate time is still maintained.

Conclusion

The BQ4802YDSH is a widely used component in the Clock/Timing category. It is an efficient component that performs precise time-keeping functions and implements accurate alarm functions. Its versatile design allows it to be used in a variety of applications, both industrial and automotive, and it’s battery-backup feature leaves it capable of providing accurate time keeping even when power is lost.