APX810S00-44SA-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 High
Reset Timeout:	1 ms Minimum
Voltage - Threshold:	4.38V
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

PMIC or Power Management Integrated Circuits are dedicated ICs that helps in improving power efficiency and reliability of the system. PMICs has the capability to monitor, control, and regulate system power. They are integrated microcontrollers with inbuilt analog peripherals that aids in monitoring the system components and enabling features. One of the most popular types of Power Management ICs is supervisors – APX810S00-44SA-7.

APX810S00-44SA-7 Overview

The APX810S00-44SA-7 is a supervisor or Power Management ICs whose main duty is to monitor system voltage, reset the processor when it triggered, and provide vital information regarding the system stats (temperature, power levels, etc.). It is commonly used in system that requires tight protection control, high performance, and improved safety protocols such as automotive, industrial control, avionics, military and many others.

APX810S00-44SA-7 – Main Features and Benefits

• The APX810S00-44SA-7 utilizes on-chip voltage monitor (400 mV to 5.75 V) with hysteresis for improved reliability.
• Able to detect wide voltage range from supply failure to over voltage.
• The reset threshold voltage is adjustable with an external resistor.
• Able to detect open-circuit or short-circuit voltage source.
• Integrated diagnostic and margin test callback signals.
• Integrated watchdog with enabled/level low reset function.
• Temperature monitor with software programmable temperature threshold.
• Motion tracking/USNIR sensor control with multiple level.
• Integrated MOSFETs allow up to 6V surge voltage protection.
• Low standby and operation current.
• Small WLP package with 0.86 mm pitch.

APX810S00-44SA-7 Application Field

The APX810S00-44SA-7 is an ultra-reliable device and is widely used in many industries and can be found in systems as automative ECUs, industrial motor control, avionics, medical imaging, industrial control, intelligent transportation, HMI, mobile communication and many more.

APX810S00-44SA-7 Working Principle

The APX810S00-44SA-7 consists of multiple blocks that work in tandem to achieve its goal. The most important blocks are the voltage monitor (VMonitor) and the reset generator. The VMonitor block is responsible for continuously monitoring the voltage levels and making sure that it stays within the preset threshold levels. If the monitored voltage value exceeds more than the slew rate of the preset level, then it triggers a reset signal and sends it to the Reset Generator. The reset generator then sends out the reset signal (resetlow/nMI) to the target device (microcontroller or processor). This reset signal can be used to reset the microcontroller/processor or even to collect information about the cause of the voltage anomaly for further action. The reset generator also uses dynamic on-off control technology to ensure that the generated reset signal will not be affected by any kind of direct or indirect cross-trigger.

Conclusion

The APX810S00-44SA-7 is an ultra-reliable PMIC device with several useful features. It has the capability of monitoring and controlling system voltage, reset the processor when triggered, and provide vital information regarding the system stats (temperature, power levels, etc.). It is commonly used in many industries such as automotive, industrial control, avionics, military and many others. It is a useful tool for system designers who wants to design systems with tight protection control, high performance, and improved safety protocols.

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