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Introduction

The LP3470M5X-3.08/NOPB is a voltage supervisor chip which belongs to a family of power-management integrated circuits (PMICs) known as Supervisors. This chip is an ultra-low power PMIC dedicated specifically to Li-Ion/Li-Poly battery-power applications. It contains an ultra-low-power voltage detector that operates over a large range of input voltages. This enables it to work over a wide variety of batteries, for example Li-Ion, Li-Poly, and Ni-MH.

Application Field

The LP3470M5X-3.08/NOPB can be used in a variety of consumer and industrial applications. These include portable, battery-powered devices such as cell phones, cordless phones, digital cameras, and PDAs, as well as various medical, automotive, and military devices. In addition, this chip can be used in notebook computers, LCD TVs, and automotive battery management systems.

The LP3470M5X-3.08/NOPB can be used to monitor battery voltage and automatically shut down a system in order to protect the battery from over-discharge. It includes a window Comparator with 2.5V, 2.3V, 1.8V, and 0.9V onboard preset options. This allows it to easily connect to a variety of Li-Ion/LiPo batteries.

In addition, the LP3470M5X-3.08/NOPB includes a power-on reset (POR) function with a fixed timeout. This helps ensure that the device is operating properly after each system reset. The POR can also be used to monitor the battery voltage in order to shut down the system in case of over-discharge.

Working Principle

The LP3470M5X-3.08/NOPB is a voltage supervisor. It uses a built-in ultra-low power comparator to measure the voltage of a Li-Ion/LiPo battery and to quickly alert the user if the voltage goes below a specified level. This helps prevent over-discharge of the battery, which can cause permanent damage.

The comparator inside the LP3470M5X-3.08/NOPB is triggered when the voltage of the battery drops below a certain level. This can be set by the user using the onboard preset options for 2.5V, 2.3V, 1.8V, and 0.9V. When the voltage of the battery drops below the set level, the comparator sends out a signal to alert the user. The user can then take the necessary action to protect their device from damage.

In addition, the LP3470M5X-3.08/NOPB includes a power-on reset (POR) function with a fixed timeout. This POR ensures that the device is operating properly after each system reset. It can also be used to monitor the battery voltage in order to shut down the system in the event of an over-discharge.

Conclusion

The LP3470M5X-3.08/NOPB is a voltage supervisor chip that belongs to a family of power-management integrated circuits (PMICs) known as Supervisors. It is designed specifically for Li-Ion/Li-Poly battery-power applications and it can be used in a variety of consumer and industrial devices. The chip features an ultra-low power voltage detector and Comparators with preset options for 2.5V, 2.3V, 1.8V, and 0.9V. In addition, the chip contains a power-on reset (POR) function with a fixed timeout, for resetting and monitoring the battery voltage. Overall, the LP3470M5X-3.08/NOPB provides an ultra-low power solution for monitoring the voltage of Li-Ion/LiPo batteries.

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