MAX5913AEMH+

Programmable Features:	Auto Retry, Current Limit, Fault Timeout, Latched Fault, UVLO
Base Part Number:	MAX5913
Feature Pins:	DC, OCEN, ON1, ON2, ON3, ON4, RLYD1, RLYD2, RLYD3, RLYD4, RLYON1, RLYON2, RYLON3, RLYON4, RTIM, RTRYEN, STATOUT
Supplier Device Package:	44-MQFP (10x10)
Package / Case:	44-QFP
Mounting Type:	Surface Mount
Current - Supply:	2.7mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	35 V ~ 72 V
Series:	--
Features:	--
Applications:	Power Over Lan
Internal Switch(s):	No
Number of Channels:	4
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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MAX5913AEMH+ is a hot-swap controller from Maxim Integrated, which belongs to the PMIC (Power Management Integrated Circuit) category. It is specifically designed to provide over-current protection by replacing the mechanical circuit breakers. Additionally, it offers various features such as on-board 12 V linear regulator and current limit control, making it an ideal choice for hot-swap applications. Typically, hot-swap controllers like the MAX5913AEMH+ provide a safe power-up and power-down operation for systems that require in-rush current protection without having to use separate circuits or bulky components. This makes it an ideal solution for a variety of industries such as telecommunications, data centers and automotive. The MAX5913AEMH+ is built on a 36-V process that can handle up to 10 A continuous current and up to 17.5 A peak current. It also has an adjustable current limit set at 3 A and 4.5 A, respectively. The interleaved pchanck makes it a reliable and robust solution for hot-swaps. In terms of its operation, the MAX5913AEMH+ fetches its power supply pins from a 3.3V and 24V source, respectively. The 3.3V pin powers the MAX5913AEMH+ while the 24V line goes through the sense resistor to sense the current and the current limit is set depending on the resistance. Once the sensed current exceeds the set limit, the MAX5913AEMH+ opens the PWM output MOSFET, cutting off the power supply line and thus protecting the system from over-current. When the current falls below the set limit, the output MOSFET re-connects the power line, restarting the system with the same current limit. Additionally, the spike and hold circuit ensures that the system can cope with higher loads without tripping, thus making it a reliable solution for hot-swap application.Apart from the above, the MAX5913AEMH+ offers several other features such as wide operating temperature range of -40℃ to 85℃, adjustable start-up time and adjustable soft-start time. Furthermore, the integrated voltage regulator and current limit control also allow users to adjust and monitor the input voltages and current flowing through the system. Overall, the MAX5913AEMH+ hot-swap controller provides a comprehensive solution for hot-swap applications. Its integrated features, adjustable current limit control and interleaved pchanck means it can withstand high loads and operate safely in a wide temperature range. Thus, it is an ideal choice for industries such as telecommunications, data centers, automotive and many more.

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