MAX706CSA+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.4V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MAX706

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Introduction

Power Management (PMIC) integrated circuit (IC), or supervisors, are ICs that control the flow of power on an electronic device, including portable consumer electronics, industrial, automobile and more. PMICs supervise the supply voltages and report abnormal state of power to the system controller. The MAX706CSA+ is a family of PMICs designed to provide maximum power safety and reliability for a wide range of consumer and industrial applications. In this article, we will examine the application field, working principle and other important aspects of the MAX706CSA+.

Application Field

The MAX706CSA+ is a PMIC supervisor designed to supervise the power supply and provide fault protection for portable consumer and industrial electronics, such as digital cameras, PDAs, etc. Its easy setup and wide operating voltage range make it suitable for most demanding power management applications.The MAX706CSA+ offers two under-voltage monitoring thresholds and two overvoltage monitoring thresholds, which makes it well suited for applications with large variations in input voltage. It also includes a power-on reset circuit with an adjustable power-on delay, which allows for a robust system reset in case of a power-related fault.

Working Principle

The MAX706CSA+ functions by monitoring voltage levels on the power supply from the VIN pin. If the voltage on the VIN pin falls below the under-voltage threshold (UV) or rises above the over-voltage threshold (OV), then the MAX706CSA+ will activate its reset output.The MAX706CSA+ also offers an adjustable power-on delay, which ensures that the reset stays active for a defined amount of time before the power supply is turned on again. This prevents the system from being reset too quickly after a fault, which could damage integral components.

Other Features

The MAX706CSA+ also offers a few other features. It can operate from a power supply with a voltage range from 1.8V to 3.6V and the two under-voltage & over-voltage thresholds can be set using external resistors.The MAX706CSA+ also has a built-in brownout/power-on reset circuit with an adjustable power-on delay. This allows the reset to stay active for a specified amount of time, before allowing the power supply to start up again.The MAX706CSA+ also offers very low start-up current consumption and a very small package size, allowing it to be used in the most demanding power management applications.Finally, the MAX706CSA+ also has a built-in low pulse-width detector (LPD) which can detect short pulses with a duration of less than 10µs and generate a reset signal with a minimum reset pulse width of 30µs. This is particularly useful for ensuring that the system does not reset too quickly after a fault.

Conclusion

The MAX706CSA+ is a family of PMICs designed to provide maximum power safety and reliability for a wide range of consumer and industrial applications. It offers two under-voltage and two over-voltage monitoring thresholds, along with a power-on reset circuit, an adjustable power-on delay, low start-up current consumption and a small package size. Additionally, it has a built-in low pulse-width detector which can detect short pulses and generate a minimum reset pulse width of 30µs. All of these features make the MAX706CSA+ an ideal alternative to other PMIC suppliers in a wide range of applications.

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