ADM1176-2ARMZ-R7

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Hot Swap Controller, Monitor
Number of Channels:	1
Internal Switch(s):	No
Applications:	General Purpose
Features:	I²C, Latched Fault, UVLO
Programmable Features:	Current Limit, Fault Timeout, Turn On Voltage
Voltage - Supply:	3.15 V ~ 16.5 V
Current - Output (Max):	--
Operating Temperature:	-40°C ~ 85°C
Current - Supply:	1.7mA
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-MSOP
Feature Pins:	ON, TIMER
Base Part Number:	ADM1176

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Introduction

ADM1176-2ARMZ-R7 is a hot swap Controller. It is a member of a series of advanced, linear, hot-swap products for high power-conversion applications, different from ordinary power management integrated circuits (PMIC) controllers. It is designed for use in DC / DC and AC / DC applications including datacenters, battery-powered equipment, electric vehicles, or any other application requiring robust, hot-swap control of a number of power conversion circuits.

Features

ADM1176-2ARMZ-R7 has several key features that make it a durable and versatile solution for hot-swap power conversion applications. The chip is designed to deliver up to 4A continuous current, making it suitable for a wide range of power requirements. It also requires a low power overhead, operating the controller at just 40mW and enabling the chip to be used in energy-efficient designs. The controller has integrated current sensing and over-current detection. Furthermore, the latch-off function ensures the output device is protected when an overload or short-circuit situation is detected. The controller also features an adjustable circuit-breaker delay, allowing for value-add fine-tuning of application threshold settings. This enables designers to increase the reliability of their power conversion platforms.

Applications

ADM1176-2ARMZ-R7 can be used for a wide range of applications pertaining to power management and conversion, and is especially well-suited for use in high power-conversion and hot-swap applications. Common applications include AC/DC and DC/DC converters, battery-powered and energy-efficient devices, electric vehicles, energy storage systems, UPS systems, portable medical equipment and telecommunications systems. In particular, the ADM1176-2ARMZ-R7 hot-swap controller enables the use of distributed power architectures with high efficiency, safety, and robustness.

Working principle

The ADM1176-2ARMZ-R7 hot-swap controller is based on an active discharge circuit. This allows the controller to detect an overload situation and restrict the current in case of a heightened power consumption. When the output voltage reaches the over-voltage click, the controller actively discharges the output stage to reduce the output voltage. This allows for both protection components and value-add control of the power stages within the system. This active discharge principle is further supported by an adjustable circuit breaker delay, allowing for the fine-tuning of application settings. Additionally, the ADM1176-2ARMZ-R7 hot-swap controller features an integrated current sensing and over-current detection, allowing for increased safety and reliability by on/off switching when detecting dangerous overload conditions.

Conclusion

The ADM1176-2ARMZ-R7 hot-swap controller is a powerful and versatile PMIC controller, optimized for use in high power-conversion and hot-swap applications. It is capable of controlling up to 4A of output current and is suitable for use with UPS systems, electric vehicle batteries, and energy storage systems, among other applications.The controller comes with several advanced features including active discharge circuit, adjustable circuit breaker delay, current sensing and over-current detection, enabling both robust and precise control of the power stages within the system. All of these features make the ADM1176-2ARMZ-R7 an ideal choice for designers looking for a reliable and advanced power management solution.

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