S-80852CLMC-B7DT2G

Series:	S-808xxC
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	5.2V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction

PMIC (Power Management Integrated Circuit) is an important type of integrated circuit in the electronics industry. It can be further divided into classes such as DC/DC converters, linear regulators, battery chargers, Supervisors, etcetera. PMIC Supervisors, in particular, are responsible for managing the functioning of the system-on-chip (SoC). The S-80852CLMC-B7DT2G is a versatile type of PMIC Supervisor and through this article, readers will be able to learn about its application field and working principle.

Application Field and Specifications

The S-80852CLMC-B7DT2G is a PMIC Supervisor ideal for designs utilizing a system-on-chip (SoC) with multiple power-control needs. This device is a low-cost solution to conveniently manage the power necessary within the system, such as supplying the SoC with power and resetting it in case of system-wide glitches.This product is typically operated at a supply voltage ranging from 1.35V to 5.5V, making it the perfect choice for battery-powered and other low-voltage applications. It has adjustable delay times ranging from 2ms to 11.2s, adjustable reset threshold voltage (VTHRES) ranging from 0.9V to 3.6V, and adjustable reset timeout (TOUT) ranging from 15ms to 1.3s. Furthermore, this device also has several modes of operation to meet a number of applications, such as normal run, standby, and power-down modes.

Working Principle

The S-80852CLMC-B7DT2G is a versatile PMIC device capable of providing robust power-supply management to the SoC. Its working principle is based upon the voltage detector that monitors the SDVCC (supply voltage) of the SoC. It continuously monitors the voltage, and if it should fall excessive low, the device will take action. The device will reset the SoC if during operation the voltage should drop below the VTHRES (reset threshold voltage) at which point the output reset pin (RSTOUT) is activated. This reset pin, when activated, will bring the SoC into reset state, wherein it will not be able to function as normal. Furthermore, this device also has a reset timeout feature that will keep the RSTOUT pin activated for a period of time determined by the TOUT parameter in order to ensure that the problem is solved before the SoC is un-reset.

Conclusion

The S-80852CLMC-B7DT2G is a versatile PMIC Supervisor designed for use with SoCs with multiple power-control needs. It is capable of providing a robust and low-cost power-supply management solution to the SoC through its adjustable delay times, adjustable reset threshold voltage, adjustable reset timeout, and its selectable operating modes. The device\'s working principle revolves around the voltage detector that monitors the supply voltage and detects when it falls below the reset-threshold value; in which case, the reset output is triggered, resetting the entire SoC. Overall, the S-80852CLMC-B7DT2G PMIC Supervisor is an excellent choice for battery-powered and other low-voltage applications. It offers a reliable, efficient and cost-effective power-supply management solution for the SoC and ensures the system remains stable and resilient through various power-related problems.

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