APX809S00-31SR-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	1 ms Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

The APX809S00-31SR-7 is a PMIC (Power Management IC) characterized as a Supervisor. It is a Smart Battery stack supervisor for mobile phone apps applications and other similar systems. It features a typical undervoltage lockout and overvoltage protection, and provides an integrated solution for the power supply of single-cell lithium-ion batteries. This power management IC has a very low quiescent current, making it ideal for portable devices. In this article, we will explore the application field and working principle involving the APX809S00-31SR-7.

Application Field

The APX809S00-31SR-7 is a single-cell battery stack supervisor suitable for most mobile devices, such as cellular phones and digital music players. This power management IC is ideal for applications that require low quiescent current consumption, such as meter-type low level applications, for which it is a popular choice. Other features of the IC include a durability of up to 1 million cycles, meaning that it can be used in several taxing applications. It also offers a range of protection features, including overvoltage and undervoltage lockout, as well as thermal shutdown protection. Its extended range of features make it an ideal choice for power management in handheld devices.

Working Principle

The APX809S00-31SR-7 power management IC functions as a battery supervisor by ensuring that the voltage supplied by the battery is within a safe range. It functions by comparing the sensed voltage of the battery against a preset threshold. If the voltage is below the preset threshold, the APX809S00-31SR-7 will shut down the system to prevent damage. Conversely, if the voltage is above the reset threshold, the system will be shut down to protect the battery. Additionally, the APX809S00-31SR-7 is also capable of detecting voltage overload, thermal overload, and other dangerous conditions. If any of these conditions occur, the system will be shut down. As such, the APX809S00-31SR-7 serves as a protective layer for the battery and the device.

Conclusion

In conclusion, the APX809S00-31SR-7 is a PMIC (Power Management IC) characterized as a supervisor. It is an ideal choice for low level applications in mobile devices, as it requires a very low quiescent current and has a high durability rating. Furthermore, it is also capable of protecting the battery and the device in the event of an overvoltage or undervoltage condition. As such, the APX809S00-31SR-7 is well suited for portable devices and smart battery stack systems.

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