MAX6746KA26+T Integrated Circuits (ICs)

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:	Adjustable/Selectable
Voltage - Threshold:	2.625V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8
Supplier Device Package:	SOT-23-8
Base Part Number:	MAX6746

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Introduction

PMIC (power management integrated circuits) are devices that control and manage the power supply of electronic circuits. Specifically, supervisors are devices that monitor power levels, control power distribution and protect circuits from excessive voltage. The MAX6746KA26+T is a PMIC supervisor with key features such as a robust reset sequence, wide-operating voltage range, power-on reset, low-power active supply current, and adjustable reset/power-good threshold.

Overview of MAX6746KA26+T

The MAX6746KA26+T is a 3V, active-low PMIC reset supervisor from Maxim Integrated. It includes low-power, low-quiescent-current, active-current and a shutdown-input. The MAX6746KA26+T provides a guaranteed 120ms reset timeout, a power-on reset signal, a power-good signal, a reset/power-good threshold adjustable over the 2.4V~3.3V input voltage range and a robust reset sequence. This supervisor is available in an 8-pin V TSSOP package, making it suitable for applications operating in tight-spaces.

Application Field of MAX6746KA26+T

The MAX6746KA26+T boasts a low supply current and adjustable reset threshold, making it suitable for a wide variety of applications in PDAs, tablet PCs, cell phones and other low-power portable electronic devices. Additionally, the MAX6746KA26+T features a low quiescent current and adjustable threshold voltage, allowing it to be used as a reset supervisor on many circuit boards.

Working Principle of MAX6746KA26+T

The MAX6746KA26+T is a reset supervisor that monitors the power supply for an electronic device and provides protection by ensuring regulated power supply levels. It does this by monitoring the voltage of the device\'s power supply and detecting when it falls below a preset threshold. If the voltage drops below the threshold, the MAX6746KA26+T will shut down the supply and issue a reset signal, preventing any surges from damaging the device.The MAX6746KA26+T also includes a power-on reset signal that triggers each time the power supply is initially turned on, ensuring that the device is reset to its original state in order to avoid any erroneous operation. Additionally, it has a reset/power-good threshold that can be adjusted to support a variety of different voltages, allowing it to be used in different types of electronic devices.

Conclusion

The MAX6746KA26+T is an ideal PMIC reset supervisor for a range of applications, including PDAs, tablets, cell phones, and other low-power portable electronic devices. It has a wide-operating voltage range, low-power active-supply current, and adjustable reset/power-good threshold. Furthermore, it offers a robust reset sequence, meaning it will be able to detect any fluctuations in power supply levels and reset the circuitry in time to prevent any damage to the device.

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