MAX6747KA46/V+T

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	4.625V
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:	MAX6747

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What is MAX6747KA46/V+T application field and working principle

PMIC (Power Management Integrated Circuit) - Supervisors are one of the most important components in power management systems. This family of integrated circuits (ICs) is designed for applications that require a low-power, accurate power control and supervision of several voltage rails, allowing a system to remain functional and reliable despite the ever-changing loads and temperatures. The MAX6747KA46/V+T integrated circuit is an example of such a supervision device and this article is intended to explain the product’s purpose and inner workings. MAX6747KA46/V+T ICs are typically used in applications which require multiple voltage supervision. The basic premise of this class of IC is to keep several voltage rails on the board in control and stable, by monitoring and adjusting the voltages. The MAX6747KA46/V+T provides six voltage supervisors, each with an adjustable reset threshold and active-high or active-low reset signal. This device also has an onboard real-time thermal monitoring feature, making it ideal for power management in space-constrained applications, such as notebook computers, tablets, and other mobile devices. The MAX6747KA46/V+T is an ideal IC solution for customers looking for an efficient and low-power integrated mechanism for monitoring multiple voltage rails. This device measures the voltage across each of the six monitored channels and compares it to its respective programmed threshold, to decide whether to issue a reset signal. In case of an issue, the MAX6747KA46/V+T will automatically reset the system and restart it.The MAX6747KA46/V+T provides several features that make it useful in a variety of applications. Onboard programmable voltage monitoring and reset incentives allow for detection of over voltage, under voltage and reverse voltage conditions. This IC also features an active low reset signal, which ensures the system does not restart (or reset) if the voltage readings are within established limits. The MAX6747KA46/V+T device also features integrated thermal monitoring capabilities. This helps protect the system from thermal overload, which can damage sensitive components, such as FPGAs, DSPs, and ASICs. The on-chip thermal diode measures the temperature of surrounding components and, if the temperature exceeds a certain threshold, a signal is sent, which results in a reset of the system. In addition to providing temperature monitoring, the MAX6747KA46/V+T includes a number of other peripheral functions that help enhance system safety and operational efficiency. This device also comes with an integrated watchdog timer and a key write-enabling arrangement, which prevents unauthorized system configurations. Lastly, this IC supports a wide range of power management solutions, such as SO and TSSOP packages, and a wide operating temperature range of -40°C to +85°C. In summary, the MAX6747KA46/V+T IC is an integrated circuit designed to provide efficient multi-voltage oversight, active-high or active-low reset signals, and on-chip thermal monitoring capabilities. This is the ideal solution for customers looking for an integrated power management solution that can maximize system operation efficiency and safety. The device offers a wide range of features, including integrated watchdogs, key write-enabling and wide operating temperature range. These attributes make the MAX6747KA46/V+T a must-have for any application where power management is important to ensure reliable and safe system operation.

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